Page 1 Traffic Terrain GTN 625/635/650 Weather Pilot's Guide Flight Plan Procedures Nearest Waypoint Info Services Utilities System...
Page 2 Garmin. Garmin hereby grants permission to download a single copy of this manual and of any revision to this manual onto a hard drive or other electronic storage medium to be viewed for personal use, provided that such electronic or printed copy of this manual or revision must contain the complete text of this copyright notice and provided further that any unauthorized commercial distribution of this manual or any revision hereto is strictly prohibited.
Page 3 United States of America copyright laws and international copyright treaties. You further acknowledge that the structure, organization, and code of the Software are valuable trade secrets of Garmin and/or its third-party providers and that the Software in source code form remains a Direct-To valuable trade secret of Garmin and/or its third-party providers.
Page 4 Terrain data is obtained from third Com/Nav party sources. Garmin is not able to independently verify the accuracy of the terrain data. WARNING: The displayed minimum safe altitudes (MSAs) are only advisory...
Page 5 Weather WARNING: To reduce the risk of unsafe operation, carefully review and Nearest understand all aspects of the GTN 625/635/650 Pilot’s Guide. Thoroughly practice basic operation prior to actual use. During flight operations, Services/ Music carefully compare indications from the GTN 6XX to all available navigation...
Page 6 Com/Nav CAUTION: The GTN 6XX does not contain any user-serviceable parts. Repairs should only be made by an authorized Garmin service center. Unauthorized repairs or modifications could void both the warranty and the pilot’s authority to operate this device under FAA/FCC regulations.
Page 7 AC 120-76C and are not qualified to be used as an airport moving map display (AMMD). SafeTaxi is to be used by the flight crew to orient themselves on the airport surface. NOTE: The FAA has asked Garmin to remind pilots who fly with Garmin Direct-To database-dependent avionics of the following: Proc •...
Page 8 Xpdr Ctrl visit flyGarmin.com. Com/Nav NOTE: Garmin requests the flight crew report any observed discrepancies related to database information. These discrepancies could come in the form of an incorrect procedure; incorrectly identified terrain, obstacles and fixes; or any other displayed item used for navigation or communication Direct-To in the air or on the ground.
Page 9 AC 90-100A Statement of Compliance. Direct-To to correct the interference by relocating the The Garmin navigational unit meets the equipment or connecting the equipment to a performance and functional requirements Proc different circuit than the affected equipment.
Page 10: Product Registration And Support
Traffic 09/2016 Updates for software v6.20. 08/2017 Updates for software v6.30. Terrain 08/2018 Updates for software v6.50. 04/2019 Weather Updates for software v6.60. Nearest Services/ Music Utilities System Messages Symbols Appendix Index viii GTN 625/635/650 Pilot’s Guide 190-01004-03 Rev. P...
Page 11: Table Of Contents
Xpdr Ctrl Electronic Document Features ................ xxv Conventions ....................xxvi Com/Nav Getting Started ..................1-1 Model Descriptions ................1-1 1.1.1 GTN 625 ................1-1 Direct-To 1.1.2 GTN 635 ................1-2 1.1.3 GTN 650 ................1-2 Proc About This Pilot's Guide ............... 1-2 1.2.1...
Page 12 Ident Audio and Volume ............3-14 3.5.2 Nav Tuning Window ............. 3-15 Symbols 3.5.3 Nav Frequency Finding ............3-16 Flight Plans ..................4-1 Appendix Creating a New Flight Plan ..............4-2 Active Flight Plan Page................. 4-4 Index GTN 625/635/650 Pilot’s Guide 190-01004-03 Rev. P...
Page 13 Basic Approach Operations ..............6-2 Selecting a Departure ................6-3 Symbols Selecting an Arrival ................6-6 Selecting an Approach ................. 6-9 Appendix Approaches with Procedure Turns ............6-13 Flying the Missed Approach ............... 6-13 Index 190-01004-03 Rev. P GTN 625/635/650 Pilot’s Guide...
Page 14 Select User Waypoint from a List .......... 7-16 Symbols 7.7.3 Edit User Waypoint .............. 7-16 7.7.4 Delete User Waypoint ............7-16 Appendix 7.7.5 Delete All User Waypoints ............ 7-17 Create Waypoint ................7-18 Index GTN 625/635/650 Pilot’s Guide 190-01004-03 Rev. P...
Page 15 Altitude Display ..............9-6 9.3.5 TIS Limitations ............... 9-7 Symbols 9.3.6 TIS Alerts ................9-9 9.3.7 TIS System Status ..............9-10 Appendix TAS (Optional) ................... 9-12 Index 9.4.1 TAS Symbology ..............9-13 xiii 190-01004-03 Rev. P GTN 625/635/650 Pilot’s Guide...
Page 16 HTAWS Database Requirements ........... 10-3 Symbols 10.3.3 Database Updates ............... 10-3 10.3.4 Terrain Database Areas of Coverage ........10-4 Appendix 10.3.5 Obstacle Database Areas of Coverage ........10-5 10.4 Terrain Proximity ................10-6 Index GTN 625/635/650 Pilot’s Guide 190-01004-03 Rev. P...
Page 17 10.8.6 Altitude Voice Call Out (VCO) ..........10-71 Symbols 10.8.7 TAWS-A System Status ............10-72 10.8.8 TAWS-A Abnormal Operations ........... 10-72 Appendix 11 Weather .....................11-1 11.1 SiriusXM Weather Products (Optional) ..............11-2 Index 190-01004-03 Rev. P GTN 625/635/650 Pilot’s Guide...
Page 18 Connext Weather Product Age ........... 11-38 Symbols 11.3.6 TFRs .................. 11-38 11.3.7 Precipitation (PRECIP) Data ..........11-39 Appendix 11.3.8 Lightning ................11-40 11.3.9 Infrared Satellite Data ............11-41 Index 11.3.10 METARs ................11-41 GTN 625/635/650 Pilot’s Guide 190-01004-03 Rev. P...
Page 19 Browsing Channels and Categories ........13-5 13.3.2 Selecting a SiriusXM Satellite Radio Channel by Number ..13-6 Appendix 13.3.3 SiriusXM Satellite Radio Volume ........... 13-7 13.3.4 SiriusXM Satellite Radio Channel Presets ......13-8 Index xvii 190-01004-03 Rev. P GTN 625/635/650 Pilot’s Guide...
Page 20 14.7 Clean Screen Mode ................14-27 Messages 14.8 Scheduled Messages ................ 14-28 14.9 Checklists ..................14-29 Symbols 14.9.1 Checklists Menu ..............14-29 14.9.2 Viewing Checklists............. 14-30 Appendix 15 System ....................15-1 15.1 System Status ..................15-3 Index xviii GTN 625/635/650 Pilot’s Guide 190-01004-03 Rev. P...
Page 21 15.11 Connext Setup - Flight Stream 210 and 510 ........15-40 Messages 15.11.1 Operation ................15-42 Symbols 15.11.2 Pairing a Device ..............15-43 15.12 Connext Setup - Other Bluetooth Devices ......... 15-44 Appendix 15.13 Voice Command ................15-45 16 Messages ...................16-1 Index 190-01004-03 Rev. P GTN 625/635/650 Pilot’s Guide...
Page 22 18.3 Demo Mode ..................18-18 Terrain 18.4 Glove Qualification Procedure ............18-21 Weather 18.5 Telligence Voice Command Qualification Procedure ..................18-25 Nearest Index .................... Index-1 Services/ Music Utilities System Messages Symbols Appendix Index GTN 625/635/650 Pilot’s Guide 190-01004-03 Rev. P...
Page 23: Welcome
Welcome Foreword Welcome to the GTN era of navigation. The Garmin Touchscreen Navigator Getting (GTN) supports airway navigation and flexible flight planning, including arrival Started and departure procedures and precision approaches. All of these advanced Audio & features are easily accessed with an easy-to-use touchscreen display, another first Xpdr Ctrl for general aviation.
Page 24: Conventions
Selected Field Type System Messages Symbols Touching the Back key returns to the previous display. The Cancel key cancels any information selected or entered and Appendix returns to the previous display. Index xxii GTN 625/635/650 Pilot’s Guide 190-01004-03 Rev. P...
Page 25: Getting Started
Foreword Model Descriptions Getting Started This guide covers the operation of the GTN 625, 635, and 650. In general, all Audio & models will be referred to as the GTN 6XX, except where there are physical or Xpdr Ctrl operational differences. The GTN 6XX units are approximately 6.25 inches wide Com/Nav and 2.65 inches high.
Page 26: Gtn 635
TSO’d airborne VHF communications transceiver. Direct-To 1.1.3 GTN 650 The GTN 650 includes all of the features of the GTN 625, and also includes a Proc TSO’d airborne VHF communications transceiver and TSO’d airborne VOR/Localizer and Glideslope receivers. Wpt Info About This Pilot's Guide 1.2.1...
Page 27: Product Description
NOTE: Do Not remove or insert the datacard while in flight. Ensure the GTN 6XX is powered off before inserting or removing a datacard. Messages NOTE: For instructions on updating databases, refer to section 18.2. Symbols Appendix Index 190-01004-03 Rev. P GTN 625/635/650 Pilot’s Guide...
Page 28: Pilot Controls
Pressing the HOME key displays the Home page, the main screen for Symbols accessing the GTN features. Pressing and holding the HOME key will open the Default Navigation page from any other page. Appendix Index Figure 1-5 HOME Key GTN 625/635/650 Pilot’s Guide 190-01004-03 Rev. P...
Page 29 Figure 1-6 Home Page On The GTN 650 Com/Nav Navigation Information Direct-To Proc Figure 1-7 Home Page On The GTN 625 Without Transponder Wpt Info 1.3.2.4 Direct-To Key The Direct-To key provides access to the direct-to function, which allows you to enter a waypoint and establishes a direct course to the selected destination.
Page 30: Unit Power Up
Start-Up screens. Some functions may be unavailable until after the databases are verified. System Messages Symbols 2 - Software & Database 1 - Copyright 3 - Panel Self-Test Versions & Dates Appendix Figure 1-10 System Startup Pages Index GTN 625/635/650 Pilot’s Guide 190-01004-03 Rev. P...
Page 31: Database Verification And Fuel Settings
NOTE: When the GTN is interfaced with a digital fuel computer the pilot may not be able to manually edit the fuel flow and fuel on board data on the Self-Test. Messages Symbols Appendix Index 190-01004-03 Rev. P GTN 625/635/650 Pilot’s Guide...
Page 32 Set Fuel Full Capacity Weather Nearest Services/ Touch to Set Touch to Return Music Fuel Tab to Fuel on Capacity Board Display Utilities Figure 1-14 Fuel Capacity Setup Page System Messages Symbols Appendix Index GTN 625/635/650 Pilot’s Guide 190-01004-03 Rev. P...
Page 33 Wpt Info fuel values have been set, touch the Continue key to advance to the Home page. Traffic Terrain Weather Nearest Figure 1-16 Home Page Services/ Music Utilities System Messages Symbols Appendix Index 190-01004-03 Rev. P GTN 625/635/650 Pilot’s Guide...
Page 34: System Operation
• GPS Status Nearest • External LRUs • Setup Services/ Music • Alerts Settings Utilities • User Fields • Units Settings System • Audio Messages • Backlight Symbols • Connext Setup Appendix Index 1-10 GTN 625/635/650 Pilot’s Guide 190-01004-03 Rev. P...
Page 35: Runways
24 Hour, and/or UTC) keys and selecting the local time offset after touching the Local Offset key. Symbols 3. Touch the Com Channel Spacing key to toggle between Appendix 8.33 and 25.0 kHz channel spacing. Index 1-11 190-01004-03 Rev. P GTN 625/635/650 Pilot’s Guide...
Page 36 3. Touch the Airspace Alert Options key and select the desired values for alerting. Appendix 4. Continue to select the desired Alerts values and then touch Index the Back or HOME key to exit. 1-12 GTN 625/635/650 Pilot’s Guide 190-01004-03 Rev. P...
Page 37: Dual Gtn Installations
NOTE: There is an installer option to turn on a system message that will Messages be provided anytime crossfill is turned off to alert the pilot that flight plans are not being crossfilled. Symbols Appendix Index 1-13 190-01004-03 Rev. P GTN 625/635/650 Pilot’s Guide...
Page 38: Direct-To Navigation
2. Touch the Nearest tab and then the desired airport from the Nearest Airport list. Touch the Up or Down keys as needed Messages to show more of the list. 3. Touch Activate or press the small right knob. Symbols Appendix Index 1-14 GTN 625/635/650 Pilot’s Guide 190-01004-03 Rev. P...
Page 39: Selecting Com/Nav Frequencies
3. Touch the Com or NAV window to flip/flop the Active and Standby frequencies. You can also press and hold the small Messages right knob to transfer the standby frequency to the active Symbols window. Appendix Index 1-15 190-01004-03 Rev. P GTN 625/635/650 Pilot’s Guide...
Page 40 Com Frequency recall switch. Appendix NOTE: Frequencies must be stored in the User Frequency List prior to utilizing the remote channel select switch. Index 1-16 GTN 625/635/650 Pilot’s Guide 190-01004-03 Rev. P...
Page 41: Flight Planning
Flight plan names are listed by the Nearest Departure and Destination waypoints. Services/ Music NOTE: The destination waypoint is the last airport in the flight plan. Utilities System Messages Symbols Appendix Index 1-17 190-01004-03 Rev. P GTN 625/635/650 Pilot’s Guide...
Page 42: Vfr And Ifr Procedures
6. Or, touch the Load APPR & Activate key for the flight plan to go Direct-To the selected transition or provide guidance on Terrain the final approach course for vectored or visual approaches. Weather Nearest Services/ Music Utilities System Messages Symbols Appendix Index 1-18 GTN 625/635/650 Pilot’s Guide 190-01004-03 Rev. P...
Page 43: Dead Reckoning
Dead Reckoning position, Dead Reckoning mode will be discontinued. “No GPS Position” will be displayed on the map pages and all navigation data Symbols will be dashed. For information about GPS faults, refer to section 15.2.4. Appendix Index 1-19 190-01004-03 Rev. P GTN 625/635/650 Pilot’s Guide...
Page 44: Default Navigation
3. Touch the desired user field key to choose the information System type. A list of information types will be displayed. Messages Symbols Touch a Field to Change the User Field Appendix Index Figure 1-24 Default Nav Page User Field Selection 1-20 GTN 625/635/650 Pilot’s Guide 190-01004-03 Rev. P...
Page 45 OFF - Do Not Display Data Field Table 1-1 Data Field Types of Information Symbols Note 1: B/D APT is the straight line distance. Appendix Note 2: Dist to DEST is the distance along the flight plan. Index 1-21 190-01004-03 Rev. P GTN 625/635/650 Pilot’s Guide...
Page 46 Terrain - Terrain Page SiriusXM WX - Sirius XM WX Page Utilities - Utilities Page OFF - Do Not Display Page Field Symbols Table 1-3 Page Field Types of Information Appendix Index 1-22 GTN 625/635/650 Pilot’s Guide 190-01004-03 Rev. P...
Page 47: Cdi (Gtn 650 Only)
2. After selecting the desired waypoint, touch the FastFind key. Messages Complete Touch to Select Symbols Wpt Selection Displayed Wpt Appendix Figure 1-28 Select Characters for FastFind to Predict a Waypoint - KPAE Selected Index 1-23 190-01004-03 Rev. P GTN 625/635/650 Pilot’s Guide...
Page 48: Fastfind With A Flight Plan
"K." Wpt Info Selected Wpt Predicted Wpt Characters Traffic Figure 1-29 Using FastFind to Predict a Waypoint in a Flight Plan Terrain Weather Nearest Services/ Music Utilities System Messages Symbols Appendix Index 1-24 GTN 625/635/650 Pilot’s Guide 190-01004-03 Rev. P...
Page 49: Audio And Transponder Controls (Optional)
Reply Nearest Selection Annunciation Services/ Active XPDR, Music Code and Mode Display Utilities Enter Key System Context Sensitive Mode Key Instructions for Rotary Knob Messages Figure 2-1 XPDR Control Display Symbols Appendix Index 190-01004-03 Rev. P GTN 625/635/650 Pilot’s Guide...
Page 50: Select Transponder
2. Touch the XPDR 2 selection to activate Transponder 2. Touch Weather the XPDR 1 selection to activate Transponder 1. Nearest Active Transponder Services/ Music Utilities Active Transponder System Messages Figure 2-4 Active Transponder Indication Symbols Appendix Index GTN 625/635/650 Pilot’s Guide 190-01004-03 Rev. P...
Page 51: Ident
3. Touch the desired Transponder mode to select it and then Messages touch the Enter key. Symbols 2.1.3.1 Standby 1. Touch the Mode key and select Standby and then touch the Appendix Enter key to place the transponder into Standby mode. Index 190-01004-03 Rev. P GTN 625/635/650 Pilot’s Guide...
Page 52 8.00. With all other GTX software versions, the transponder will automatically transition out of airborne mode. Symbols 2.1.3.3 Appendix 1. Touch the Mode key and select ON and then touch the Enter key for Mode A operation. Index GTN 625/635/650 Pilot’s Guide 190-01004-03 Rev. P...
Page 53: Vfr
System 2.1.4 Messages Touch the VFR key to set the VFR squawk code (1200). Symbols VFR (1200) Transponder Squawk Code Appendix Figure 2-11 Transponder VFR Squawk Code Index 190-01004-03 Rev. P GTN 625/635/650 Pilot’s Guide...
Page 54: Selecting A Squawk Code
Music Figure 2-12 XPDR Squawk Code Selection Display Utilities 5. The selected Squawk Code will be shown in the XPDR window on the right side of the display. System Messages Symbols Appendix Index GTN 625/635/650 Pilot’s Guide 190-01004-03 Rev. P...
Page 55: Gdl 88 Ads-B Reporting
Utilities Status Touch to View ADS-B Control Panel System Current Flight ID Messages Figure 2-13 ADS-B Control Panel Symbols 2. Touch the ADS-B window again to return to the previous display. Appendix Index 190-01004-03 Rev. P GTN 625/635/650 Pilot’s Guide...
Page 56 ID because a randomized ID is being broadcast. If the Services/ ANONYMOUS key is armed, change the squawk code to the VFR code to Music activate Anonymous mode. Utilities System Messages Symbols Appendix Index GTN 625/635/650 Pilot’s Guide 190-01004-03 Rev. P...
Page 57: Extended Squitter Transmission
Depending on the aircraft configuration (e.g., on ground), the TCAS may stay Utilities in a different mode. System Messages Touch to Select Symbols TCAS II Mode Figure 2-17 TCAS II Transponder Control Panel Appendix Index 190-01004-03 Rev. P GTN 625/635/650 Pilot’s Guide...
Page 58: Marker Beacon Annunciations
The marker beacon alternates between the standard icon and the blink icon at Services/ the blink interval corresponding to the current beacon. Music Table 2-3 Marker Beacons Utilities System Messages Symbols Appendix Index 2-10 GTN 625/635/650 Pilot’s Guide 190-01004-03 Rev. P...
Page 59: Telligence Voice Command
Telligence Voice Command Foreword Garmin's Telligence Voice Command voice recognition feature allows the Getting pilot (and optionally copilot) to control the GTN 6XX connected to a GMA Started 350 using spoken commands. To activate Voice Recognition, push and hold Audio &...
Page 60 Foreword Getting Started Audio & Xpdr Ctrl Com/Nav Direct-To Proc Wpt Info Traffic This page intentionally left blank Terrain Weather Nearest Services/ Music Utilities System Messages Symbols Appendix Index 2-12 GTN 625/635/650 Pilot’s Guide 190-01004-03 Rev. P...
Page 61: Nav/Com
Weather Find Xfer Monitor Keypad Nearest Recent Nearest - Filter - Com - Nav Services/ Music Airport Utilities System Flight Plan Airport User Messages ARTCC Symbols Figure 3-2 Nav/Com Functional Diagram Appendix Index 190-01004-03 Rev. P GTN 625/635/650 Pilot’s Guide...
Page 62: Volume
Figure 3-4 Com Controls While receiving a transmission, an “RX” indication appears in the Com Appendix frequency window to the immediate right of “Com.” A “TX” indication appears at this location while you are transmitting. Index GTN 625/635/650 Pilot’s Guide 190-01004-03 Rev. P...
Page 63: Com And Nav Frequency Window And Tuning
To select a Com or Nav frequency using the numeric keypad: Music 1. Touch the Standby window. Utilities 2. A keypad will appear with the current Standby frequency highlighted. System Messages Symbols Appendix Index 190-01004-03 Rev. P GTN 625/635/650 Pilot’s Guide...
Page 64 Active frequency window. System To make the standby frequency the active frequency: Messages 1. Touch the active frequency (top) window. Symbols 2. The Active (top) and Standby frequencies will flip/flop. Appendix Index GTN 625/635/650 Pilot’s Guide 190-01004-03 Rev. P...
Page 65: Com And Nav Frequency Finding
Touch Frequency Messages from Recent List to Select Standby Frequency Symbols Appendix Figure 3-8 Recent Com Frequency List 2. Touch the desired frequency to select it and place it into the Index Standby window. 190-01004-03 Rev. P GTN 625/635/650 Pilot’s Guide...
Page 66 Nearest Services/ Music Utilities System Figure 3-11 Nearest Com Frequency List Messages 4. Touch the desired Frequency List. Then, touch the desired frequency Symbols to load it into the Standby window. Appendix Index GTN 625/635/650 Pilot’s Guide 190-01004-03 Rev. P...
Page 67 Figure 3-14 Flight Plan Frequency List Messages 2. Touch the Multiple FREQ key to show the available Symbols frequencies, if present. 3. Touch the desired frequency to select it and place it into the Appendix Standby window. Index 190-01004-03 Rev. P GTN 625/635/650 Pilot’s Guide...
Page 68: Simple Frequency Entry
Figure 3-16 Second Frequency Number Nearest 3. Touch the 2 key. Services/ Music Utilities Figure 3-17 Final Frequency Without Trailing Number System 4. Touch Enter. Messages Symbols Entered Frequency Value Appendix Figure 3-18 Completed Frequency Entry Index GTN 625/635/650 Pilot’s Guide 190-01004-03 Rev. P...
Page 69: Adding A New User Frequency
Touch the Name key to select a name for the User frequency. Traffic Terrain User Frequency Name Weather User Frequency Value Nearest Services/ Music Figure 3-20 Add New User Frequency Detail Window Utilities System Messages Symbols Appendix Index 190-01004-03 Rev. P GTN 625/635/650 Pilot’s Guide...
Page 70 The list can store up to 15 user frequencies. Music User Frequency Value User Frequency Name Utilities System Touch to Edit User Name and/or Messages Frequency Value Symbols Figure 3-23 Completed New User Frequency Appendix Index 3-10 GTN 625/635/650 Pilot’s Guide 190-01004-03 Rev. P...
Page 71: Emergency Frequency
NOTE: Under some circumstances if the Com system loses communication with the main system, the radio will automatically tune to 121.50 MHz for Messages transmit and receive regardless of the displayed frequency. Symbols Appendix Index 3-11 190-01004-03 Rev. P GTN 625/635/650 Pilot’s Guide...
Page 72: Stuck Microphone
NOTE: It can take up to 2 minutes for the RFL frequency to change after crossing the half way point when flying from one airport to another that Index both use the same frequency. 3-12 GTN 625/635/650 Pilot’s Guide 190-01004-03 Rev. P...
Page 73: Com Frequency Monitoring
Weather NOTE: The Com radio Monitoring function is different than the Monitor Nearest function of the Audio Panel. Services/ Music Utilities System Messages Symbols Appendix Index 3-13 190-01004-03 Rev. P GTN 625/635/650 Pilot’s Guide...
Page 74: Nav (Vor/Localizer/Glideslope) Receiver Operations
Figure 3-28 Nav Standby Frequency Window is Active System Nav audio volume is adjusted using the Volume knob. Turn the Volume knob clockwise to increase volume, or counterclockwise to decrease volume. Messages Symbols Appendix Index 3-14 GTN 625/635/650 Pilot’s Guide 190-01004-03 Rev. P...
Page 75: Nav Tuning Window
Nav Frequencies will Automatically Decode Morse Symbols Code and Display the Ident Nav Frequencies in the Database Will Display the Ident Based on GPS Position Appendix Figure 3-29 Automatic Nav Frequency Ident Decoding Index 3-15 190-01004-03 Rev. P GTN 625/635/650 Pilot’s Guide...
Page 76: Nav Frequency Finding
Figure 3-31 Nearest Airport Nav Frequency List Messages Symbols 4. Touch the Filter key to narrow the list by category, such as Airport and VOR, and then select a given frequency. Appendix Index 3-16 GTN 625/635/650 Pilot’s Guide 190-01004-03 Rev. P...
Page 77: Appendix
Foreword Getting Started Audio & Xpdr Ctrl Com/Nav Figure 3-32 Nearest Nav Frequency List Direct-To Proc Wpt Info Traffic Terrain Weather Nearest Services/ Music Utilities System Messages Symbols Appendix Index 3-17 190-01004-03 Rev. P GTN 625/635/650 Pilot’s Guide...
Page 78 Foreword Getting Started Audio & Xpdr Ctrl Com/Nav Direct-To Proc Wpt Info Traffic This page intentionally left blank Terrain Weather Nearest Services/ Music Utilities System Messages Symbols Appendix Index 3-18 GTN 625/635/650 Pilot’s Guide 190-01004-03 Rev. P...
Page 79: Flight Plans
Weather Figure 4-1 Flight Plan Functional Diagram Nearest Services/ NOTE: Navigation is provided for fixed wing aircraft above 30 kts and for Music rotorcraft above 10 kts. Utilities System Messages Symbols Appendix Index 190-01004-03 Rev. P GTN 625/635/650 Pilot’s Guide...
Page 80: Creating A New Flight Plan
A single waypoint may be deleted by touching the waypoint Utilities and then touching the Remove key. Selected Waypoint System Messages Touch to Remove Symbols Waypoint Figure 4-4 Remove Single Existing Waypoint Appendix Index GTN 625/635/650 Pilot’s Guide 190-01004-03 Rev. P...
Page 81 7. Touch Menu and then touch Store to store the flight plan in the Catalog. The screen will now display the Flight Plan Messages Catalog and show the new flight plan. Flight plans are listed by the Departure and Destination waypoints. Symbols Appendix Index 190-01004-03 Rev. P GTN 625/635/650 Pilot’s Guide...
Page 82: Active Flight Plan Page
Utilities System Messages Figure 4-8 Active Flight Plan Wpt Options Symbols 2. Touch one of the options to perform the selected action. Cancel the option selection by touching the Back key. Appendix Index GTN 625/635/650 Pilot’s Guide 190-01004-03 Rev. P...
Page 83 Cancel the Terrain Operation and Touch OK to Return to the Flight Activate Leg Plan View Weather Figure 4-10 Active Flight Plan Activate Leg Option Nearest Services/ Music Utilities System Messages Symbols Appendix Index 190-01004-03 Rev. P GTN 625/635/650 Pilot’s Guide...
Page 84 The new flight plan will be shown. System New Waypoint Inserted Messages Before Selected Flight Plan Waypoint Symbols Figure 4-13 New Waypoint Is Inserted Before the Selected Waypoint Appendix Index GTN 625/635/650 Pilot’s Guide 190-01004-03 Rev. P...
Page 85 Once created, their position remains fixed until deleted by the pilot. System Subsequent changes to the flight plan do not update the ATK's position. ATKs appear in flight plan route depictions on the Active Flight Plan and Messages Map pages. Symbols Appendix Index 190-01004-03 Rev. P GTN 625/635/650 Pilot’s Guide...
Page 86 The identifier label denotes the adjacent waypoint's ID and offset Music distance from the specified ATK. Utilities System Offset Identifier Label Messages Symbols ATK Icon Appendix Figure 4-17 ATK Indications on Map Page Index GTN 625/635/650 Pilot’s Guide 190-01004-03 Rev. P...
Page 87 1. On the Active Flight Plan page, touch the desired waypoint in Utilities the flight plan. The Waypoint Options menu opens. System 2. Touch Remove and then OK. Messages Symbols Appendix Index 190-01004-03 Rev. P GTN 625/635/650 Pilot’s Guide...
Page 88 LOC BC 13 at KSLE via UBG shown below is an example of this. Terrain Weather Nearest Procedure Flight Plan Leg Discrepancy Services/ Music Utilities Figure 4-19 Procedure Flight Plan Leg Position Difference System Messages Symbols Appendix Index 4-10 GTN 625/635/650 Pilot’s Guide 190-01004-03 Rev. P...
Page 89: Airways
The Waypoint Options menu opens. Utilities System Touch VOR Entry Wpt to Insert Airway Messages Symbols Figure 4-21 Active Flight Plan with VOR Entry Wpt Appendix Index 4-11 190-01004-03 Rev. P GTN 625/635/650 Pilot’s Guide...
Page 90 4. Scroll through the list and touch the desired exit point from the airway. Weather Nearest Touch to Select Exit Waypoint Services/ Music Utilities Figure 4-24 Select an Exit Waypoint for the Airway System Messages Symbols Appendix Index 4-12 GTN 625/635/650 Pilot’s Guide 190-01004-03 Rev. P...
Page 91 Touch the airway to make any changes. Music Utilities Entry Waypoint Touch to Edit System Selected Airway Messages Selected Airway Waypoints Symbols Figure 4-27 Airway Waypoints in the Flight Plan Appendix Index 4-13 190-01004-03 Rev. P GTN 625/635/650 Pilot’s Guide...
Page 92: Load Hold At Waypoint
Selected Wpt Nearest Services/ Option Will Hold Hold at Wpt Music at Selected Wpt Option Selected Utilities System Figure 4-29 Active Flight Plan with Hold At Waypoint Option Messages Symbols Appendix Index 4-14 GTN 625/635/650 Pilot’s Guide 190-01004-03 Rev. P...
Page 93 Symbols 2. Touch the Remove key. Appendix 3. Touch the OK key in response to “Remove Holding Pattern?” The holding pattern is removed. To cancel the request, touch the Cancel key. Index 4-15 190-01004-03 Rev. P GTN 625/635/650 Pilot’s Guide...
Page 94: Load Search And Rescue Pattern (Optional)
The available patterns can be configured by the installer and all of the listed pattern types may not be available. Appendix 4. Touch the Preview key to open a preview of the selected pattern. Index 4-16 GTN 625/635/650 Pilot’s Guide 190-01004-03 Rev. P...
Page 95 SAR pattern. Touch the Collapse Search Utilities Pattern key again to toggle the display of SAR pattern detail back on. System Messages SAR Pattern Symbols Collapsed Appendix Index Figure 4-34 SAR Pattern Collapsed in Flight Plan 4-17 190-01004-03 Rev. P GTN 625/635/650 Pilot’s Guide...
Page 96 2. Touch the INIT TRK key to open the keypad. Use the keypad and Enter to select the initial course. Symbols 3. Touch the INIT Turn key to select between Left or Right as Appendix the initial turn direction. Index 4-18 GTN 625/635/650 Pilot’s Guide 190-01004-03 Rev. P...
Page 97 Go Direct-To the First Touch to Preview Wpt in the Pattern Selected Pattern Symbols Touch to Load Selected Pattern to the Active Flight Plan Appendix Figure 4-37 Search and Rescue Sector Search Pattern Page Index 4-19 190-01004-03 Rev. P GTN 625/635/650 Pilot’s Guide...
Page 98 All legs in the expanding square pattern are separated by the track spacing distance. The default initial track for System the Expanding Square Pattern is 090°T. Messages Symbols Appendix Index 4-20 GTN 625/635/650 Pilot’s Guide 190-01004-03 Rev. P...
Page 99 7. Touch the Load Pattern key to load selected pattern to the Symbols active flight plan. Appendix 8. Touch the Load PTRN & Activate key to load selected pattern to the active flight plan and go direct-to the initial waypoint. Index 4-21 190-01004-03 Rev. P GTN 625/635/650 Pilot’s Guide...
Page 100 5. Touch the Load Pattern key to load selected pattern to the Symbols active flight plan. Appendix 6. Touch the Load PTRN & Activate key to load selected pattern Index to the active flight plan and go direct-to the first waypoint in 4-22 GTN 625/635/650 Pilot’s Guide 190-01004-03 Rev. P...
Page 101: Flight Plan Menu
Column 3 Edit Restore Messages VNAV Destination Copy Defaults Temperature Delete VS Target Symbols Flight Path Angle Temperature VNAV Enabled Compensation Appendix TEMP at DEST Index Figure 4-44 Flight Plan Menu Functional Diagram 4-23 190-01004-03 Rev. P GTN 625/635/650 Pilot’s Guide...
Page 102: Store Flight Plan
The original flight plan stored in Symbols the catalog is not affected. 1. While viewing the Active Flight Plan page, touch the Menu Appendix key. The Flight Plan menu opens. 2. Touch Invert. Index 4-24 GTN 625/635/650 Pilot’s Guide 190-01004-03 Rev. P...
Page 103: En Route Vertical Navigation
• Flight plan legs containing headings Messages • Flight plan legs that terminate at an altitude (e.g., a climb to 1,800 ft before Symbols making a turn and proceeding direct to fix) Appendix Index 4-25 190-01004-03 Rev. P GTN 625/635/650 Pilot’s Guide...
Page 104 • Removes vertical deviation and required vertical speed indications from the Messages VS Required,Time to TOD/BOD, and Vertical Deviation fields Symbols display dashes when VNAV is off Appendix VNAV automatically re-enables when the pilot initiates a Direct-To. Index 4-26 GTN 625/635/650 Pilot’s Guide 190-01004-03 Rev. P...
Page 105 Cross At or Above Cross At or Below System 5,000 ft 5,000 ft Messages Symbols Cross At 5,000 ft Cross Between Appendix 5,000 ft and 6,000 ft Figure 4-48 Altitude Constraint Examples Index 4-27 190-01004-03 Rev. P GTN 625/635/650 Pilot’s Guide...
Page 106 • It results in a TOD behind the aircraft's current position System • It is within a leg type that does not support altitude constraints • It is added to a waypoint past the FAF Messages Symbols Appendix Index 4-28 GTN 625/635/650 Pilot’s Guide 190-01004-03 Rev. P...
Page 107 • Removing the VNAV designation from an altitude may Nearest invalidate other displayed altitudes or cause them to change after recalculation Services/ Music Table 4-2 Altitude Constraint Options Utilities System Messages Symbols Appendix Index 4-29 190-01004-03 Rev. P GTN 625/635/650 Pilot’s Guide...
Page 108 To return a modified altitude constraint to its original database value: Utilities 1. Select an altitude constraint containing the pencil icon. 2. Touch Revert Constraint. System 3. Confirm the request by selecting OK. Messages Symbols Appendix Index 4-30 GTN 625/635/650 Pilot’s Guide 190-01004-03 Rev. P...
Page 109 FAF on approaches with vertical guidance Not Enabled Nearest • En route VNAV terminates at the FAF (LNAV only) Table 4-3 VNAV Approach Response Services/ Music Utilities System Messages Symbols Appendix Index 4-31 190-01004-03 Rev. P GTN 625/635/650 Pilot’s Guide...
Page 110: Temperature Compensated Altitude
2. Touch TEMP COMP. The Destination Temperature Messages Compensation pop-up opens. Symbols 3. Touch Temperature Compensation. 4. Touch TEMP at DEST and specify the destination airport Appendix temperature. Index The temperature compensated FAF altitude displays in magenta. 4-32 GTN 625/635/650 Pilot’s Guide 190-01004-03 Rev. P...
Page 111: Parallel Track
Terrain Weather Nearest Services/ Music Utilities System Messages Figure 4-50 Parallel Track Description Symbols NOTE: In software v6.21 and earlier, graphically editing a flight plan cancels Appendix the parallel track function. Index 4-33 190-01004-03 Rev. P GTN 625/635/650 Pilot’s Guide...
Page 112 Figure 4-52 Parallel Track Shown in the Active Flight Plan Page 5. To deactivate Parallel Track, while viewing the Active Flight Symbols Plan touch the Menu key. With the Flight Plan Menu displayed, touch the Deactivate PTK key. Appendix Index 4-34 GTN 625/635/650 Pilot’s Guide 190-01004-03 Rev. P...
Page 113: Edit Data Fields
Field Types System Touch to Restore Original Messages Default Types Figure 4-54 Flight Plan Edit Data Fields Page Symbols 2. Touch one of the field keys to select from the list. Appendix Index 4-35 190-01004-03 Rev. P GTN 625/635/650 Pilot’s Guide...
Page 114: Flight Plan Catalog Route Options
Keys to Scroll List Touch to Create New Catalog Route System (Flight Plan) Figure 4-56 Flight Plan Catalog Messages 2. Touch a flight plan to display the Route Options. Symbols Appendix Index 4-36 GTN 625/635/650 Pilot’s Guide 190-01004-03 Rev. P...
Page 115 The Route Options menu will be Messages displayed. 2. Touch the Invert & Activate key and then touch OK. The Symbols selected flight plan will be inverted and activated. Appendix Index 4-37 190-01004-03 Rev. P GTN 625/635/650 Pilot’s Guide...
Page 116 The Route Options menu will be System displayed. 2. Touch the Edit key. The flight plan will be displayed. Make Messages any changes necessary by touching the desired waypoint and using the Waypoint Options. Symbols Appendix Index 4-38 GTN 625/635/650 Pilot’s Guide 190-01004-03 Rev. P...
Page 117 System Messages Duplicate Copy of Selected Flight Plan Symbols Figure 4-63 Copied Flight Plan Appendix 4. Touch the Back key to return to the Active Flight Plan. Index 4-39 190-01004-03 Rev. P GTN 625/635/650 Pilot’s Guide...
Page 118 2. Touch the Delete key and then touch OK. Proc Wpt Info Traffic Terrain Figure 4-65 Delete the Selected Flight Plan from the Catalog Weather Nearest Services/ Music Utilities System Messages Symbols Appendix Index 4-40 GTN 625/635/650 Pilot’s Guide 190-01004-03 Rev. P...
Page 119: Delete Flight Plan
3. Touch Delete and then the OK key. The selected flight plan will be removed from the Catalog. Nearest Services/ Music Utilities System Figure 4-67 Delete a Flight Plan from the Catalog Messages Symbols Appendix Index 4-41 190-01004-03 Rev. P GTN 625/635/650 Pilot’s Guide...
Page 120 Figure 4-69 Delete a Flight Plan from the Active Flight Plan Symbols 2. Touch OK to clear the waypoints from the Active Flight Plan. Appendix The flight plan will not be removed from the Catalog. Index 4-42 GTN 625/635/650 Pilot’s Guide 190-01004-03 Rev. P...
Page 121: Preview Flight Plan
System displayed. 3. Touch the Preview key to display a preview of the selected Messages flight plan. 4. Touch the Back key to return to the Flight Plan Catalog. Symbols Appendix Index 4-43 190-01004-03 Rev. P GTN 625/635/650 Pilot’s Guide...
Page 122: Graphically Editing A Flight Plan
When the GTN is interfaced with a compatible Flight Stream device, flight Com/Nav plans can be wirelessly imported into the GTN from supported Apps (i.e., Garmin Pilot). The imported flight plans can then be activated or stored to the flight plan catalog once they are previewed by the pilot. Direct-To...
Page 123: Map
Route Options in the menu will be Weather available. Nearest Services/ Music Utilities System Figure 4-74 Route Options by Selecting Flight Plan with Pending Review Messages Symbols Appendix Index 4-45 190-01004-03 Rev. P GTN 625/635/650 Pilot’s Guide...
Page 124: Potential Errors
(lockd) waypoints. These locked waypoints Nearest must be resolved prior to activating the flight plan to provide navigation along Services/ the flight plan. Music Utilities System Messages Symbols Appendix Index 4-46 GTN 625/635/650 Pilot’s Guide 190-01004-03 Rev. P...
Page 125 Figure 4-77 Pop-Up Message Reporting Unknown Waypoints Direct-To Proc Wpt Info Figure 4-78 Pop-Up Message Reporting Unknown Procedure Traffic Terrain Weather Nearest Figure 4-79 Pop-Up Message Reporting Unknown Airway Services/ Music Utilities System Messages Symbols Appendix Index 4-47 190-01004-03 Rev. P GTN 625/635/650 Pilot’s Guide...
Page 126: Import Flight Plans With A Datacard
Touch the Import key to Utilities open a pop-up with a list of the file names of the flight plans on the datacard. System Messages Symbols Appendix Index 4-48 GTN 625/635/650 Pilot’s Guide 190-01004-03 Rev. P...
Page 127 Save Flight Plan Flight Plan the Wpt Info to the Catalog Active Route Figure 4-82 Route Options For Datacard Flight Plan Import Traffic Terrain Weather Nearest Services/ Music Utilities System Messages Symbols Appendix Index 4-49 190-01004-03 Rev. P GTN 625/635/650 Pilot’s Guide...
Page 128: Potential Errors
The pilot should be aware that waypoints are missing from the end of the flight plan. System Messages Symbols Appendix Figure 4-85 Flight Plan Import Issue - Flight Plan Too Long Index 4-50 GTN 625/635/650 Pilot’s Guide 190-01004-03 Rev. P...
Page 129 Figure 4-87 Flight Plan Import Issue - Unknown Procedure Removed From Flight Plan Nearest Services/ Music Utilities System Messages Figure 4-88 Flight Plan Import Issue - Unknown Airway Removed From Flight Plan Symbols Appendix Index 4-51 190-01004-03 Rev. P GTN 625/635/650 Pilot’s Guide...
Page 130 Foreword Getting Started Audio & Xpdr Ctrl Com/Nav Direct-To Proc Wpt Info Traffic This page intentionally left blank Terrain Weather Nearest Services/ Music Utilities System Messages Symbols Appendix Index 4-52 GTN 625/635/650 Pilot’s Guide 190-01004-03 Rev. P...
Page 131: Direct-To
2. Select Waypoint, FPL, or NRST APT from the Direct-To window by touching the desired tab. System Messages Symbols 3. If a specific course is necessary, touch the Course To key. Appendix Index 190-01004-03 Rev. P GTN 625/635/650 Pilot’s Guide...
Page 132 Press Small Knob to Terrain Activate Direct-To Wpt Figure 5-3 Direct-To Selection Weather 6. The Map page will now be displayed with the new Direct-To Nearest course. Services/ Music Utilities System Messages Symbols Appendix Index GTN 625/635/650 Pilot’s Guide 190-01004-03 Rev. P...
Page 133: Direct-To A Flight Plan Waypoint
4. Touch the Activate key or press the small right knob to Utilities activate the selection. System Messages 5. The Map page will now be displayed with the new Direct-To course. Symbols Appendix Index 190-01004-03 Rev. P GTN 625/635/650 Pilot’s Guide...
Page 134: Direct-To A Nearest Airport
4. Touch the Activate key or press the small right knob to Utilities activate the selection. System Messages 5. The Map page will now be displayed with the new Direct-To course. Symbols Appendix Index GTN 625/635/650 Pilot’s Guide 190-01004-03 Rev. P...
Page 135: Removing A Direct-To Course
Figure 5-8 Remove the Direct-To Course Wpt Info 2. Touch the Remove key. 3. Navigation will now return to the active flight plan. Traffic Terrain Weather Nearest Services/ Music Utilities System Messages Symbols Appendix Index 190-01004-03 Rev. P GTN 625/635/650 Pilot’s Guide...
Page 136: Direct-To Map Waypoint
Figure 5-9 Touch the Map to Create a MAPWPT as the Direct-To Course Destination Terrain 3. Touch the Activate key or press the small right knob to activate the selection. Weather Nearest Services/ Music Utilities System Messages Symbols Appendix Index GTN 625/635/650 Pilot’s Guide 190-01004-03 Rev. P...
Page 137: Off-Route Direct-To Course
Direct-To routes may be edited graphically on the Map page the same as a regular flight plan. Refer to section 8.3.3 for details. Traffic Terrain Weather Nearest Services/ Music Utilities System Messages Symbols Appendix Index 190-01004-03 Rev. P GTN 625/635/650 Pilot’s Guide...
Page 138: Direct-To A User-Defined Hold
Appendix for the leg type. 7. Touch the Leg Time or Leg Distance key to display the keypad. Index Use the keypad and the Enter key to select the length of the leg. GTN 625/635/650 Pilot’s Guide 190-01004-03 Rev. P...
Page 139: Direct-To A Search And Rescue Pattern
Touch to Load Selected SAR Pattern to Direct-To Messages Symbols Figure 5-14 Create SAR Pattern at Direct-To Waypoint 2. Touch the SAR key. The Direct-To Search and Rescue Patterns Appendix page is displayed. Index 190-01004-03 Rev. P GTN 625/635/650 Pilot’s Guide...
Page 140 Selected SAR Messages Pattern Type Figure 5-17 Direct-To Page with SAR Pattern Selected Symbols 6. Touch the SAR Activate key or press the small right knob to activate the selection. Appendix Index 5-10 GTN 625/635/650 Pilot’s Guide 190-01004-03 Rev. P...
Page 141: Procedures
(2) en route vertical navigation. If the GTN does not receive Wpt Info baro-corrected altitude data, altitude leg types require manual sequencing, and en route vertical navigation is not available. Traffic Terrain Weather Nearest Services/ Music Utilities System Messages Symbols Appendix Index 190-01004-03 Rev. P GTN 625/635/650 Pilot’s Guide...
Page 142: Basic Approach Operations
Music Utilities System Approach Departure Arrival Messages Airport Airport Airport Departure Arrival Approach Symbols Runway Transition Transition Transition Runway Channel/ID Appendix Preview Preview Preview Load Departure Load Arrival Load Approach Index Activate Approach GTN 625/635/650 Pilot’s Guide 190-01004-03 Rev. P...
Page 143: Selecting A Departure
The route is defined by selection of a Symbols departure, the transition waypoint, and a runway. Appendix NOTE: Vector-only departures are not available in the Procedures database as the GTN 6XX cannot provide navigational guidance on vectored legs. Index 190-01004-03 Rev. P GTN 625/635/650 Pilot’s Guide...
Page 144 Wpt Info 3. Touch the key for the desired Transition. Traffic Touch to Select Desired Departure Transition Terrain Weather Figure 6-3 Selecting a Departure Transition Nearest Services/ Music Utilities System Messages Symbols Appendix Index GTN 625/635/650 Pilot’s Guide 190-01004-03 Rev. P...
Page 145 6. Touch the Preview key to view the Departure. Weather Nearest Sequence List for the Selected Departure Services/ Departure Diagram Music Touch to Load Utilities Departure Figure 6-6 Previewing a Departure System Messages Symbols Appendix Index 190-01004-03 Rev. P GTN 625/635/650 Pilot’s Guide...
Page 146: Selecting An Arrival
1. Touch the PROC key on the Home page to display the Weather Procedures page and then touch the Arrival key to display the Arrival page. Nearest Services/ Music Touch to Display Utilities Arrival Page System Figure 6-8 Procedure Page Messages Symbols Appendix Index GTN 625/635/650 Pilot’s Guide 190-01004-03 Rev. P...
Page 147 4. Touch the Transition key and then touch the key for the desired transition. Weather Nearest Touch to Select Transition Services/ Music Utilities Figure 6-11 Select from Transition List System Messages Symbols Appendix Index 190-01004-03 Rev. P GTN 625/635/650 Pilot’s Guide...
Page 148 Figure 6-14 Flight Plan With Arrival Loaded NOTE: If using Descent VNAV, verify that the altitudes for the selected Appendix procedure match the charted altitudes and are appropriate for the airframe type. Index GTN 625/635/650 Pilot’s Guide 190-01004-03 Rev. P...
Page 149: Selecting An Approach
ATC cleared altitudes and are appropriate Utilities for the airframe type. System Messages Touch to Select Touch to Select Approach Airport Symbols Touch to Select Channel ID Appendix Index Figure 6-16 Selecting an Approach 190-01004-03 Rev. P GTN 625/635/650 Pilot’s Guide...
Page 150 Utilities will be shown in gray. System Selected Drag Finger on Messages Transition List to View List or Touch Up/Down Symbols Keys to Scroll List Appendix Figure 6-19 Select Approach Transition Index 6-10 GTN 625/635/650 Pilot’s Guide 190-01004-03 Rev. P...
Page 151 The approach waypoints are placed at the end of the flight plan and the unit will automatically sequence Weather to them after the en route waypoints. Nearest Services/ Music Utilities System Messages Symbols Appendix Index 6-11 190-01004-03 Rev. P GTN 625/635/650 Pilot’s Guide...
Page 152 Nearest procedure must be re-loaded or activated from the PROC-Approach page. Services/ Music Utilities System Messages Symbols Appendix Index 6-12 GTN 625/635/650 Pilot’s Guide 190-01004-03 Rev. P...
Page 153: Approaches With Procedure Turns
Figure 6-21 Pop-Up Upon Reaching the MAP Messages 2. Touch the Remain Suspended key to continue with Symbols sequencing suspended or touch Activate GPS Missed Approach for guidance to the Missed Approach Hold Point. Appendix Index 6-13 190-01004-03 Rev. P GTN 625/635/650 Pilot’s Guide...
Page 154 (The holding pattern is displayed on Symbols the Map page and indicated as the active leg on the Default NAV and Active Flight Plan pages.) Appendix Index 6-14 GTN 625/635/650 Pilot’s Guide 190-01004-03 Rev. P...
Page 155 Wpt Info Traffic Terrain Weather Nearest Services/ Music Utilities System Messages Figure 6-24 DME Arc Example Symbols Appendix Index 6-15 190-01004-03 Rev. P GTN 625/635/650 Pilot’s Guide...
Page 156 NOTE: In software v6.00 and later, all waypoints along the final approach course, including waypoints before the FAF, are included in the flight plan and System the final approach course to the FAF is activated. Messages Symbols Appendix Index 6-16 GTN 625/635/650 Pilot’s Guide 190-01004-03 Rev. P...
Page 157 2.0 NM from the FAF, the GTN 6XX does not automatically switch Appendix the CDI to VLOC. In this case, touch the CDI key to manually switch from GPS to VLOC. Index 6-17 190-01004-03 Rev. P GTN 625/635/650 Pilot’s Guide...
Page 158 This advisory guidance follows the same nature as Messages set by the LNAV +V as shown above. Table 6-3 RNAV Approach Annunciations Symbols Appendix Index 6-18 GTN 625/635/650 Pilot’s Guide 190-01004-03 Rev. P...
Page 159 After the aircraft has passed the FAF, a loss of WAAS integrity will cause the approach to abort instead of Symbols downgrade. Appendix 6. Capture the glideslope as you would an ILS glideslope. Index 6-19 190-01004-03 Rev. P GTN 625/635/650 Pilot’s Guide...
Page 160: Flying The Lp Approach
At 2.0 NM from the FAF, CDI scaling is tightened from up to Index either 2° or 0.3 NM, full scale deflection, whichever is smaller. 6-20 GTN 625/635/650 Pilot’s Guide 190-01004-03 Rev. P...
Page 161 NOTE: For missed approaches with heading legs, fly manually until the Appendix first active course leg is reached. 10. Fly the guidance provided by the GTN to the MAHP and hold. Index 6-21 190-01004-03 Rev. P GTN 625/635/650 Pilot’s Guide...
Page 162 Services/ during pan mode. Music Utilities Touch to Load Selected Visual Approach Airport for Selected System Airport Messages Symbols Figure 6-26 Visual Approach Key When Selecting Airport Appendix Index 6-22 GTN 625/635/650 Pilot’s Guide 190-01004-03 Rev. P...
Page 163 Symbols NOTE: If the GTN does not have a valid terrain database, advisory vertical guidance is not available for visual approaches. Appendix NOTE: Only external CDI/VDI displays provide vertical deviation indications. Index 6-23 190-01004-03 Rev. P GTN 625/635/650 Pilot’s Guide...
Page 164: Points To Remember For All Procedures
(HDG) mode of the autopilot and set the heading bug appropriately in order to Index use the autopilot on these legs. 6-24 GTN 625/635/650 Pilot’s Guide 190-01004-03 Rev. P...
Page 165: Vor-Based Approaches
If the frequency is incorrect, you will receive a Messages message and you must place the correct ILS or VLOC frequency in the active frequency field. Symbols Appendix Index 6-25 190-01004-03 Rev. P GTN 625/635/650 Pilot’s Guide...
Page 166: King Kap140/Kfc225
LPV or other vertically guided GPS approach). Nearest Touch to Activate Services/ Autopilot Outputs Music Prompt to Activate Autopilot Outputs Utilities System Figure 6-28 Prompt To Activate Autopilot Outputs Messages Symbols Appendix Index 6-26 GTN 625/635/650 Pilot’s Guide 190-01004-03 Rev. P...
Page 167 Audio & Xpdr Ctrl Com/Nav Touch the Direct-To Key to Display Waypoint Type Proc Figure 7-1 Waypoint Info Page Wpt Info Traffic Terrain Weather Nearest Services/ Music Utilities System Messages Symbols Appendix Index 190-01004-03 Rev. P GTN 625/635/650 Pilot’s Guide...
Page 168 Foreword Getting Started Audio & Xpdr Ctrl Com/Nav Direct-To Proc Wpt Info Traffic Terrain Weather Nearest Services/ Music Utilities System Messages Symbols Figure 7-2 Waypoint Info Functional Diagram Appendix Index GTN 625/635/650 Pilot’s Guide 190-01004-03 Rev. P...
Page 169 4. The selected waypoint will be the selected Airport Identifier. Weather Selected Airport Bearing and Identifier Distance to Selected Wpt Nearest from Present Position Services/ Music Utilities Figure 7-4 Waypoint Ident Selection Result System Messages Symbols Appendix Index 190-01004-03 Rev. P GTN 625/635/650 Pilot’s Guide...
Page 170 2. Touch the Info key to display available information for the Proc airport. Wpt Info Airport Identifier, City, & Type Traffic Airport Airport Information Latitude/ Terrain Longitude Weather Figure 7-5 Waypoint Info Airport Page Nearest Services/ Music Utilities System Messages Symbols Appendix Index GTN 625/635/650 Pilot’s Guide 190-01004-03 Rev. P...
Page 171 Figure 7-6 Waypoint Info Airport Map Page 3. You may touch the map window and while pressing the display drag your finger to move the map view. Traffic Terrain Weather Nearest Services/ Music Utilities System Messages Symbols Appendix Index 190-01004-03 Rev. P GTN 625/635/650 Pilot’s Guide...
Page 172 Touch to Cancel Weather Approach Selection Nearest Touch to Preview Touch to Load Touch to Activate Approach Approach Approach Services/ Music Figure 7-8 Waypoint Info Airport Arrival Information Utilities System Messages Symbols Appendix Index GTN 625/635/650 Pilot’s Guide 190-01004-03 Rev. P...
Page 173 Terrain Weather Nearest Services/ Music Utilities Figure 7-10 Waypoint Info Airport Runway Selection System 3. Touch the PCL key to load the PCL frequency into the Com Standby location. Messages Symbols Appendix Index 190-01004-03 Rev. P GTN 625/635/650 Pilot’s Guide...
Page 174 Nearest Touch Frequency Services/ Key to Load into Music Com Standby Additional Frequency Utilities Information System Messages Figure 7-12 Waypoint Info Airport Frequency More Information Symbols Appendix Index GTN 625/635/650 Pilot’s Guide 190-01004-03 Rev. P...
Page 175: Weather (Wx) Data
NOTAMs available for the selected airport. Traffic Terrain Weather Nearest Figure 7-14 Waypoint Info Airport NOTAMs Page 2. Touch the Up and Down keys to view additional information, Services/ Music as needed. Utilities System Messages Symbols Appendix Index 190-01004-03 Rev. P GTN 625/635/650 Pilot’s Guide...
Page 176: Helipads
Terrain Weather Nearest Services/ Music Utilities Figure 7-16 Waypoint Info Airport NRST VRPs Page System 2. Touch the Up and Down keys to view additional information, as needed. Messages Symbols Appendix Index 7-10 GTN 625/635/650 Pilot’s Guide 190-01004-03 Rev. P...
Page 177: Intersection (Int)
2. Touch Preview and then use the In and Out keys to zoom in and out on the map. You may touch the map window and System while lightly pressing the display, drag your finger to move the map view. Messages Symbols Appendix Index 7-11 190-01004-03 Rev. P GTN 625/635/650 Pilot’s Guide...
Page 178 System while lightly pressing the display, drag your finger to move the map view. Messages 3. Touch the Frequency key next to load it as the Nav standby frequency. Symbols Appendix Index 7-12 GTN 625/635/650 Pilot’s Guide 190-01004-03 Rev. P...
Page 179 2. Use the In and Out keys to zoom in and out on the map. You can touch the map window and while lightly pressing the Messages display, drag your finger to move the map view. Symbols Appendix Index 7-13 190-01004-03 Rev. P GTN 625/635/650 Pilot’s Guide...
Page 180 2. Touch Preview and then use the In and Out keys to zoom in and out on the map. You may touch the map window and System while pressing the display lightly drag your finger to move the map view. Messages Symbols Appendix Index 7-14 GTN 625/635/650 Pilot’s Guide 190-01004-03 Rev. P...
Page 181: User Waypoints
1. While viewing the User Waypoint page, touch the User Waypoint Name. Services/ Music 2. Use the keypad to select the characters for the name and then touch Enter. Utilities System Messages Symbols Appendix Index 7-15 190-01004-03 Rev. P GTN 625/635/650 Pilot’s Guide...
Page 182: Select User Waypoint From A List
1. Select the desired User Waypoint and touch the Delete key. Weather 2. Touch the OK key to confirm deleting the selected waypoint. Nearest Services/ Music Utilities System Messages Symbols Appendix Index 7-16 GTN 625/635/650 Pilot’s Guide 190-01004-03 Rev. P...
Page 183 All, Basic, or Mark On Target. 4. Touch the Delete All key to delete all of the user waypoints. Traffic Terrain Weather Nearest Services/ Music Utilities System Messages Symbols Appendix Index 7-17 190-01004-03 Rev. P GTN 625/635/650 Pilot’s Guide...
Page 184 5. Touch the Comment key to add a short comment for the new Symbols waypoint. Appendix 6. Touch the Position key and then LAT/LON, Radial/ Radial, or Radial/Distance to assign the type. Refer to the Index following instructions for more detail. 7-18 GTN 625/635/650 Pilot’s Guide 190-01004-03 Rev. P...
Page 185 Services/ Music top of the waypoint. Creation of the waypoint can be verified by changing zoom scales on the map or viewing the User Waypoints page. Utilities System Messages Symbols Appendix Index 7-19 190-01004-03 Rev. P GTN 625/635/650 Pilot’s Guide...
Page 186 Messages 4. When finished with the latitude/longitude selections, touch the Enter key. Symbols 5. When finished with all selections, touch the Create key to Appendix create the new waypoint. Index 7-20 GTN 625/635/650 Pilot’s Guide 190-01004-03 Rev. P...
Page 187 4. Touch the Enter key. 5. When finished with all selections, touch the Create key to Traffic create the new waypoint. Terrain Weather Nearest Services/ Music Utilities System Messages Symbols Appendix Index 7-21 190-01004-03 Rev. P GTN 625/635/650 Pilot’s Guide...
Page 188 4. Touch the Distance key and use the numeric keypad to select Weather the desired value. 5. Touch the Enter key. Nearest Services/ 6. Touch the Create WPT key to save the new waypoint. Music Utilities System Messages Symbols Appendix Index 7-22 GTN 625/635/650 Pilot’s Guide 190-01004-03 Rev. P...
Page 189: Messages 11
Figure 7-31 Start User Waypoint Import 4. The pilot is informed of the status of the user waypoint import Nearest via one of the following system messages. Services/ Music Utilities System Messages Symbols Appendix Index 7-23 190-01004-03 Rev. P GTN 625/635/650 Pilot’s Guide...
Page 190 Table 7-1 User Waypoint Import Messages For more detail on importing user waypoints, visit flyGarmin.com. Traffic Terrain Weather Nearest Services/ Music Utilities System Messages Symbols Appendix Index 7-24 GTN 625/635/650 Pilot’s Guide 190-01004-03 Rev. P...
Page 191 System The following information describes the ownship symbol behavior Messages in a helicopter that does not have a source of magnetic heading information connected to the GTN. Symbols Appendix Index 190-01004-03 Rev. P GTN 625/635/650 Pilot’s Guide...
Page 192 Weather Aviation Land Airspace Nearest Traffic* Services/ Weather* Music Map User Fields Change User Fields Utilities Restore Defaults Map Detail System * Optional Messages Figure 8-2 Map Page Functional Diagram Symbols Appendix Index GTN 625/635/650 Pilot’s Guide 190-01004-03 Rev. P...
Page 193 2. Touch the key for the desired option to access its settings. Messages 3. Touch the Back key to return to the Map page. Any changes Symbols made will be retained until changed. Appendix Index 190-01004-03 Rev. P GTN 625/635/650 Pilot’s Guide...
Page 194 Utilities 8 - TFRs 17 - County 26 - Icing Potential Warning System 9 - Freezing Levels 18 - PIREPs 27 - Echo Tops Messages Table 8-1 Data Overlay Priority Symbols Appendix Index GTN 625/635/650 Pilot’s Guide 190-01004-03 Rev. P...
Page 195 Nearest Services/ Low Airway Music Utilities High Airway System Messages Figure 8-5 Airways Map Overlay Symbols 2. Low Airways are shown as gray lines. High Airways are shown as green lines. Appendix Index 190-01004-03 Rev. P GTN 625/635/650 Pilot’s Guide...
Page 196 Icon Shows Terrain Overlay is Active Traffic Figure 8-6 Terrain Map Overlay 2. The colors of the terrain are referenced to your aircraft altitude. Terrain Weather Nearest Services/ Music Utilities System Messages Symbols Appendix Index GTN 625/635/650 Pilot’s Guide 190-01004-03 Rev. P...
Page 197 NOTE: The Stormscope map overlay is only displayed if valid aircraft heading information is available. Refer to the WX-500 Pilot’s Guide for a detailed Utilities description of the Stormcope WX-500. System Messages Symbols Appendix Index 190-01004-03 Rev. P GTN 625/635/650 Pilot’s Guide...
Page 198 Icon Shows Traffic Overlay Icon Shows Aircraft is Receiving TIS Traffic is Active from Ground Stations when a GDL 88 is Symbols Connected (GTN software v5.11 or earlier) Figure 8-9 Traffic Map Overlay Appendix Index GTN 625/635/650 Pilot’s Guide 190-01004-03 Rev. P...
Page 199 8.1.2 Map Setup Foreword Getting Started Audio & Xpdr Ctrl Com/Nav Direct-To Proc Wpt Info Traffic Terrain Weather Nearest Services/ Music Utilities System Messages Symbols Appendix Index Figure 8-10 Map Setup Functional Diagram 190-01004-03 Rev. P GTN 625/635/650 Pilot’s Guide...
Page 200 4. Touch the key for the selected option. Nearest 5. Touch the Restore Defaults key to return to the original default values for the selected option. Services/ Music Utilities System Messages Symbols Appendix Index 8-10 GTN 625/635/650 Pilot’s Guide 190-01004-03 Rev. P...
Page 201 Wire Obstacle Range Off, 1 NM, 1.5 NM, 2.5 NM Messages Selected ALT Range Arc Off, On Restore Defaults Returns values to original factory settings Symbols Table 8-2 Map Setup Map Options Appendix Index 8-11 190-01004-03 Rev. P GTN 625/635/650 Pilot’s Guide...
Page 202 500 NM or more, the map orientation will Traffic automatically become North Up. Terrain Selected North Weather Up Range Nearest Services/ Figure 8-13 North Up Above Range Selection Music Utilities System Messages Symbols Appendix Index 8-12 GTN 625/635/650 Pilot’s Guide 190-01004-03 Rev. P...
Page 203 Appendix NOTE: Rotorcraft use a Local Auto Zoom function where Auto Zoom will remain at the 1,500 ft zoom scale until the rotorcraft is above 400 ft GSL or 40 kts. Index 8-13 190-01004-03 Rev. P GTN 625/635/650 Pilot’s Guide...
Page 204 Track Services/ Vector Length setting. Music Utilities Track Vector System Messages Figure 8-17 Track Vector Symbols Appendix Index 8-14 GTN 625/635/650 Pilot’s Guide 190-01004-03 Rev. P...
Page 205 Active Altitude Constraint Direct-To To View a Constraint Value, Select the Proc Associated Waypoint Wpt Info Figure 8-18 Altitude Constraints Traffic Terrain Weather Nearest Services/ Music Utilities System Messages Symbols Appendix Index 8-15 190-01004-03 Rev. P GTN 625/635/650 Pilot’s Guide...
Page 206 Weather Total Endurance Range Nearest Total Endurance Time Time to Reserve Fuel Services/ Music Range to Reserve Fuel Utilities System Figure 8-20 Fuel Range Ring Messages Symbols Appendix Index 8-16 GTN 625/635/650 Pilot’s Guide 190-01004-03 Rev. P...
Page 207 (Height is greater than 1,000 ft AGL) than 1,000 ft AGL) than 1,000 ft AGL) 1,000 ft AGL) Utilities System Table 8-3 Navigation Map Point Obstacle Icons by Elevation Messages Symbols Appendix Index 8-17 190-01004-03 Rev. P GTN 625/635/650 Pilot’s Guide...
Page 208 Obstacles are grouped when they would otherwise Utilities overlap. System Messages Symbols Appendix Index 8-18 GTN 625/635/650 Pilot’s Guide 190-01004-03 Rev. P...
Page 209 The icon on the left shows that the point obstacle overlay is Appendix active. The icon on the right shows that the wire obstacle overlay is active. These icons are available in software v5.12 or later. Index 8-19 190-01004-03 Rev. P GTN 625/635/650 Pilot’s Guide...
Page 210 Nearest TAWS Alert Services/ Selected Music Detail at Obstacle Cursor Point Wire Utilities Obstacle System Messages Figure 8-26 Wire Obstacles Symbols Appendix Index 8-20 GTN 625/635/650 Pilot’s Guide 190-01004-03 Rev. P...
Page 211 Selected Altitude Range Arc Foreword NOTE: Requires a Garmin Display Unit (GDU). This feature is available Getting in software v6.60 and later. Started Enabling the Selected ALT Range Arc setting places a cyan arc in front of the Audio &...
Page 212 Table 8-7 Map Setup Aviation Options Appendix NOTE: The term “intersection range” means any GPS waypoint included in the navigation database, and includes waypoints that may not be Index intersections of two VOR radials. 8-22 GTN 625/635/650 Pilot’s Guide 190-01004-03 Rev. P...
Page 213 None, Least, Less, Normal, More, Most City Detail State/Province Names Off, On Symbols None, Least, Less, Normal, More, Most River/Lake Detail Appendix Restore Defaults Returns values to original factory settings Table 8-9 Map Setup Land Options Index 8-23 190-01004-03 Rev. P GTN 625/635/650 Pilot’s Guide...
Page 214 Off, 5 NM, 7.5 NM, 10 NM, 15 NM, 25 NM, 40 NM, 50 Services/ Other/ADIZ Range Music NM, 75 NM, 100 NM Restore Defaults Returns values to original factory settings Utilities Table 8-10 Map Setup Airspace Options System Messages Symbols Appendix Index 8-24 GTN 625/635/650 Pilot’s Guide 190-01004-03 Rev. P...
Page 215 Smart Airspaces Wpt Info Garmin’ s Smart Airspace™ feature aids visual clarity on-screen by de- emphasizing airspace that’ s well above or below the aircraft’ s current altitude. The vertical separation is 1,000 feet at sea level and the vertical separation will Traffic gradually increase to 2,000 feet until the aircraft reaches 10,000 feet.
Page 216 Proc Wpt Info Airway Airspaces - Off Airway Airspaces - On Figure 8-30 Selecting the Display of European Airway Airspaces Traffic Terrain Weather Nearest Services/ Music Utilities System Messages Symbols Appendix Index 8-26 GTN 625/635/650 Pilot’s Guide 190-01004-03 Rev. P...
Page 217 Utilities 4. Touch the Airways key to select the desired Airways (Off, Low, High, or All). System Messages Low Airway (Gray) Symbols High Airway (Green) Appendix Figure 8-33 Navigation Map Airways Index 8-27 190-01004-03 Rev. P GTN 625/635/650 Pilot’s Guide...
Page 218 NOTE: Map overlay keys may remain available even if the information necessary for the overlay is not available. For example: the Radar overlay Index key is available even if the radar is turned off. 8-28 GTN 625/635/650 Pilot’s Guide 190-01004-03 Rev. P...
Page 219 Change User Fields is selected. Weather 1. While viewing the Map page, touch the Menu key. Nearest Services/ Music Utilities System Figure 8-34 Map Menu Messages Symbols Appendix Index 8-29 190-01004-03 Rev. P GTN 625/635/650 Pilot’s Guide...
Page 220 4. Touch the Up or Down keys or touch the display and drag Symbols your finger to scroll through the list. Touch the desired item to select it or touch the Back key to cancel selection. Appendix Index 8-30 GTN 625/635/650 Pilot’s Guide 190-01004-03 Rev. P...
Page 221 HTAWS RP Mode - HTAWS RP Mode OFF - Do Not Display Data Field System Table 8-16 Map Function Field Types of Information Messages Note 1: With TAWS-A enabled Note 2: With HTAWS enabled Symbols Appendix Index 8-31 190-01004-03 Rev. P GTN 625/635/650 Pilot’s Guide...
Page 222 The Map Detail feature allows four levels of decluttering to remove map Weather information. Level 0 shows the most detail and level 3 shows the least detail. Nearest Services/ Music Utilities System Messages Figure 8-37 Map Detail (Declutter) Levels Symbols Appendix Index 8-32 GTN 625/635/650 Pilot’s Guide 190-01004-03 Rev. P...
Page 223 Active FPL Legs • • • • Services/ Music Tower • • Airways • • • • Utilities Table 8-18 Features Shown at Each Map Detail Level System Messages Symbols Appendix Index 8-33 190-01004-03 Rev. P GTN 625/635/650 Pilot’s Guide...
Page 224 Figure 8-39 Map Panning With Next Airspace Shown Symbols NOTE: It is possible that multiple airspaces can be stacked vertically and be Appendix difficult to visually identify them. Touching the Next key will step through the airspaces. Index 8-34 GTN 625/635/650 Pilot’s Guide 190-01004-03 Rev. P...
Page 225 NOTE: Pressing the Direct-To key will use the map pointer location as the Traffic destination. Terrain 5. Touch the Back key to return to the normal map display. Weather Nearest Services/ Music Utilities System Messages Symbols Appendix Index 8-35 190-01004-03 Rev. P GTN 625/635/650 Pilot’s Guide...
Page 226 1. In Pan Mode, touch the Create Waypoint key. Nearest 2. Follow the directions in section 7-8. Services/ Music Utilities System Messages Symbols Figure 8-41 Create User Waypoint While Map Panning Appendix Index 8-36 GTN 625/635/650 Pilot’s Guide 190-01004-03 Rev. P...
Page 227 NOTE: It is not possible to graphically add an intermediate waypoint Direct-To between the current position and a direct-to waypoint unless that waypoint is in the flight plan. Garmin recommends deleting any flight plan prior to Proc graphically editing a Direct-To waypoint.
Page 228 Active Flight Plan Leg Figure 8-45 Aircraft Navigates on Edited Flight Plan to New Waypoint Symbols NOTE: In software v6.21 and earlier, graphically editing a flight plan Appendix cancels the parallel track function. Index 8-38 GTN 625/635/650 Pilot’s Guide 190-01004-03 Rev. P...
Page 229 The waypoint will be removed from the flight plan. 4. Touch the Done key to accept the changes and return to the Traffic Map page. Terrain Weather Nearest Services/ Music Utilities System Messages Symbols Appendix Index 8-39 190-01004-03 Rev. P GTN 625/635/650 Pilot’s Guide...
Page 230 Continue adding waypoints, or airways, as needed. 4. Touch the Done key to accept the changes and return to the Traffic Map page. Terrain Weather Nearest Services/ Music Utilities System Messages Symbols Appendix Index 8-40 GTN 625/635/650 Pilot’s Guide 190-01004-03 Rev. P...
Page 231 Messages Navigation Source GPS Level Touch OBS Key to Annunciation of Service Toggle OBS Mode Symbols Figure 8-47 Navigation Source Selection 2. Touch the CDI key to toggle between sources. Appendix Index 8-41 190-01004-03 Rev. P GTN 625/635/650 Pilot’s Guide...
Page 232 Messages 3. The OBS heading will be shown in the flight plan annunciation above the CDI in the lower portion of the display. The OBS Symbols function annunciation will show. Appendix Index 8-42 GTN 625/635/650 Pilot’s Guide 190-01004-03 Rev. P...
Page 233 Unknown Airport Wpt Info Heliport Intersection Locator Outer Marker Traffic VOR/DME Terrain VORTAC Weather TACAN TOD/BOD Nearest User Waypoint User Airport Services/ Music Table 8-19 Map Symbols Utilities System Messages Symbols Appendix Index 8-43 190-01004-03 Rev. P GTN 625/635/650 Pilot’s Guide...
Page 234 (AMMD). SafeTaxi Appendix is to be used by the flight crew to orient themselves on the airport surface to improve pilot situational awareness during ground operations. Index 8-44 GTN 625/635/650 Pilot’s Guide 190-01004-03 Rev. P...
Page 235 The EXPIRES date appears in white when data is current and in Services/ yellow when expired. SafeTaxi REGION NOT AVAILABLE appears in white if Music SafeTaxi data is not available on the database card. Utilities System Messages Symbols Appendix Index 8-45 190-01004-03 Rev. P GTN 625/635/650 Pilot’s Guide...
Page 236 Services/ pilot interaction. Music The following illustrates the flight plan segments as presented on the GTN Utilities maps. System Messages Symbols Appendix Index 8-46 GTN 625/635/650 Pilot’s Guide 190-01004-03 Rev. P...
Page 237 Upon reaching the holding fix inbound, the entry arrows will be removed from the map and the dotted holding pattern will become active with magenta arrows. Terrain Weather Nearest Services/ Music Utilities System Messages Symbols Appendix Figure 8-52 Holding Pattern Entry Index 8-47 190-01004-03 Rev. P GTN 625/635/650 Pilot’s Guide...
Page 238 The active leg is the course to OCITY intersection. After OCITY the flight Traffic plan depicts a turn to 100° for vectors. Terrain Weather Nearest Services/ Music Utilities System Messages Symbols Figure 8-54 Active Leg to Vectors Appendix Index 8-48 GTN 625/635/650 Pilot’s Guide 190-01004-03 Rev. P...
Page 239 Traffic LSO will still be the active waypoint. Terrain Weather Nearest Services/ Music Utilities System Messages Symbols Figure 8-56 Active Procedure Turn Appendix Index 8-49 190-01004-03 Rev. P GTN 625/635/650 Pilot’s Guide...
Page 240 Figure 8-57 Past, Active, and Future Flight Plan Segments Active Heading Leg Traffic This page intentionally left blank Terrain Weather Nearest Services/ Music Utilities System Messages Figure 8-58 Active Heading Leg (Vectors) Symbols Appendix Index 8-50 GTN 625/635/650 Pilot’s Guide 190-01004-03 Rev. P...
Page 241 The active flight plan leg inbound to a holding pattern at WIGAN intersection. Traffic Terrain Weather Nearest Services/ Music Utilities System Messages Figure 8-60 Active Flight Plan Leg Prior to Holding Pattern Symbols Appendix Index 8-51 190-01004-03 Rev. P GTN 625/635/650 Pilot’s Guide...
Page 242 Foreword Getting Started Audio & Xpdr Ctrl Com/Nav Direct-To Proc Wpt Info Traffic This page intentionally left blank Terrain Weather Nearest Services/ Music Utilities System Messages Symbols Appendix Index 8-52 GTN 625/635/650 Pilot’s Guide 190-01004-03 Rev. P...
Page 243 2. Touch the Go to Traffic key to view the Traffic page. Symbols 3. Touch the Close key to close the pop-up. The pop-up will Appendix return if the traffic alert persists. Index 190-01004-03 Rev. P GTN 625/635/650 Pilot’s Guide...
Page 244 Figure 9-2 Traffic Test Mode Wpt Info 2. The unit will return to normal operation mode after the test process is successfully completed. Traffic Terrain Weather Nearest Services/ Music Utilities System Messages Symbols Appendix Index GTN 625/635/650 Pilot’s Guide 190-01004-03 Rev. P...
Page 245 The GTN 6XX displays up to eight traffic targets within a 7.5 NM System radius, from 3,000 feet below to 3,500 feet above the requesting aircraft. Messages 7.0 NM 3,500 ft Symbols Appendix 3,000 ft Index Figure 9-3 TIS Coverage Volume (not to scale) 190-01004-03 Rev. P GTN 625/635/650 Pilot’s Guide...
Page 246 Always remember that TIS cannot alert you to the presence of aircraft that are not equipped with transponders, nor can it alert you to aircraft that may be Index nearby, but obscured from the ground surveillance radar by interfering terrain. GTN 625/635/650 Pilot’s Guide 190-01004-03 Rev. P...
Page 247 Annunciation Music Range Rings Utilities Ownship Position Traffic Mode Key System Altitude Filter (Operate/Standby) Traffic Direction Proximity Advisory, Messages of Travel 1,200 ft Above and Climbing Figure 9-5 Traffic Page Symbols Appendix Index 190-01004-03 Rev. P GTN 625/635/650 Pilot’s Guide...
Page 248 Displayed Traffic Range Messages Below -9,900 ft to 2,700 ft Symbols Normal -2,700 ft to 2,700 ft Above -2,700 ft to 9,900 ft Appendix Unrestricted All Traffic Shown Index Table 9-2 Displayed Traffic Range GTN 625/635/650 Pilot’s Guide 190-01004-03 Rev. P...
Page 249 9.3.5 TIS Limitations Foreword NOTE: This section on TIS Limitations is not comprehensive. Garmin Getting recommends the user review the TIS Limitations section of the Aeronautical Started Information Manual, Section 1-3-5. Audio & Xpdr Ctrl TIS is NOT intended to be used as a collision avoidance system and does not relieve the pilot of responsibility to “see and avoid”...
Page 250 Nearest These are relatively rare occurrences and will be corrected in a few Services/ radar scans once the course has stabilized. Music Utilities System Messages Symbols Appendix Index GTN 625/635/650 Pilot’s Guide 190-01004-03 Rev. P...
Page 251 3,000 feet upward at 55 miles. Terrain and obstacles around the radar site can further decrease radar coverage in all Utilities directions. • Traffic does not have an operating transponder. System Messages Symbols Appendix Index 190-01004-03 Rev. P GTN 625/635/650 Pilot’s Guide...
Page 252 Mode in the air. If TIS fails the power up test, an annunciation is shown Audio & in the center of the Traffic Map page. Contact a service center or Garmin Xpdr Ctrl dealer for corrective action for a failure message.
Page 253 Traffic may exist within the selected display range, but it is Proc not displayed. Wpt Info Table 9-5 TIS Traffic Status Annunciations Traffic Terrain Weather Nearest Services/ Music Utilities System Messages Symbols Appendix Index 9-11 190-01004-03 Rev. P GTN 625/635/650 Pilot’s Guide...
Page 254 Getting at the same time. Started Audio & TAS data comes from a TAS unit such as a Garmin GTS 800 or 820, Skywatch Xpdr Ctrl 497, KTA 810, or other unit. Com/Nav Refer to the appropriate Traffic Advisory System’ s Pilot’ s Guides for a detailed discussion of the respective traffic advisory system.
Page 255 Table 9-6 TAS Intruder Symbol Description Terrain Relative Altitude (1,200 ft Above) Weather Non-Threat Traffic Vertical Trend Arrow (Climbing) Figure 9-7 Intruder Type, Altitude, and Vertical Trend Nearest Services/ Music Utilities System Messages Symbols Appendix Index 9-13 190-01004-03 Rev. P GTN 625/635/650 Pilot’s Guide...
Page 256 4. Touch the Traffic Status key to place the system in the Standby Symbols mode. Standby is displayed in the Traffic mode field. Appendix NOTE: Not all TAS systems can be set to “Standby” mode while in the air. Index 9-14 GTN 625/635/650 Pilot’s Guide 190-01004-03 Rev. P...
Page 257 Garmin GTS 800, Skywatch (SKY497 2 NM, 6 NM, 12 NM /SKY889) Com/Nav Garmin GTS 820 and 850, Honeywell 2 NM, 6 NM, 12 NM, 24 NM, 40 NM KTA 810 TAS, KTA 910 TAS, KMH 820 IHAS, KMH 920 IHAS, and Avidyne TAS...
Page 258 Data is being received from the TAS unit, but the unit is Data Failed self-reporting a failure Appendix Failed Incorrect data format received from the TAS unit Index Table 9-10 TAS Failure Annunciations 9-16 GTN 625/635/650 Pilot’s Guide 190-01004-03 Rev. P...
Page 259 Figure 9-10 ADS-B Traffic Page Messages NOTE: The “Next” key on the dedicated traffic page will cycle through all targets located in close proximity to where the pilot has touched the Symbols screen. Appendix Index 9-17 190-01004-03 Rev. P GTN 625/635/650 Pilot’s Guide...
Page 260 NOTE: Color of basic and proximate traffic is dependent on configuration (cyan or white) and airborne/on-ground status of target (target is brown Utilities when on the ground, see the surface vehicles). System Messages Symbols Appendix Index 9-18 GTN 625/635/650 Pilot’s Guide 190-01004-03 Rev. P...
Page 261 1 min, 2 min, 5 min Figure 9-11 ADS-B Traffic Menu System 9.5.2.1 ADS-B Display Messages Touching ADS-B Display toggles the display of ADS-B traffic and ADS-B traffic alerting. Symbols Appendix Index 9-19 190-01004-03 Rev. P GTN 625/635/650 Pilot’s Guide...
Page 262 NOTE: Absolute motion vectors are colored either white or cyan. Relative Appendix motion vectors are always green. The annunciation on the bottom of the dedicated traffic page indicates which vector type is selected and their Index length. 9-20 GTN 625/635/650 Pilot’s Guide 190-01004-03 Rev. P...
Page 263 Motion Vector Target Target System Messages Symbols Target Motion Ownship Target Motion Ownship Appendix Vector Icon Vector Icon Figure 9-16 Comparison of Absolute and Relative Motion Vectors With a Two Targets Index 9-21 190-01004-03 Rev. P GTN 625/635/650 Pilot’s Guide...
Page 264 NORMAL, ABOVE, or UNRESTRICTED keys. The selection is displayed in the Altitude mode field. Nearest Services/ Music Selected Altitude Filter Utilities System Messages Symbols Figure 9-18 Traffic Altitude Filter Page Appendix Index 9-22 GTN 625/635/650 Pilot’s Guide 190-01004-03 Rev. P...
Page 265 Messages available Symbols While the traffic display is unavailable due to these conditions, traffic alerts will be provided in a non-bearing textual form at the top of the traffic page. Appendix Index 9-23 190-01004-03 Rev. P GTN 625/635/650 Pilot’s Guide...
Page 266: Ryan Tcad Description
System PA: Proximity Advisory. This is traffic with 500 feet of altitude separation that is not a TA. Messages TRFC: Other traffic. Symbols Appendix Index 9-24 GTN 625/635/650 Pilot’s Guide 190-01004-03 Rev. P...
Page 267 BELOW, NORMAL, ABOVE, or UNRESTRICTED keys. The selection is displayed Services/ Music in the Altitude mode field. Utilities Selected Altitude System Filter Messages Symbols Appendix Figure 9-20 Traffic Altitude Filter Selection Index 9-25 190-01004-03 Rev. P GTN 625/635/650 Pilot’s Guide...
Page 268: Tcad Control Menu
Music Mode: Set, Armed, or Active Utilities Select Ground Mode Figure 9-22 TCAD Control Menu System 2. Touch the desired key from the menu to make any settings. Messages Symbols Appendix Index 9-26 GTN 625/635/650 Pilot’s Guide 190-01004-03 Rev. P...
Page 269 TCAD. If no destination Appendix airport is present in the GTN system, the TCAD will not receive a field elevation and therefore not automatically enter approach mode. Index 9-27 190-01004-03 Rev. P GTN 625/635/650 Pilot’s Guide...
Page 270 1. While viewing the TCAD Control menu, touch the Approach key to activate Approach Mode TCAD traffic. Weather 2. Touching the Approach key toggles Approach Mode on and off. Nearest Services/ Music Utilities System Messages Symbols Appendix Index 9-28 GTN 625/635/650 Pilot’s Guide 190-01004-03 Rev. P...
Page 271 Terrain AND within 1.0 NM) Traffic Closing Vertically Weather Traffic Diverging Vertically Nearest Traffic not Closing or Diverging Services/ Music Vertically Table 9-14 9900B TCAD Symbols Utilities System Messages Symbols Appendix Index 9-29 190-01004-03 Rev. P GTN 625/635/650 Pilot’s Guide...
Page 272: Select Local Barometric Pressure
2. Touch the arrow keys to raise or lower the TCAD Traffic Audio Appendix level. The selected volume will be shown as a percentage value and graphically with a bar graph. Index 9-30 GTN 625/635/650 Pilot’s Guide 190-01004-03 Rev. P...
Page 273 TCAD. If no destination Messages airport is present in the GTN system, the TCAD will not receive a field elevation and therefore not automatically enter approach mode. Symbols Appendix Index 9-31 190-01004-03 Rev. P GTN 625/635/650 Pilot’s Guide...
Page 274 1. While viewing the TCAD Control menu, touch the Approach key to activate Approach Mode TCAD traffic. Weather 2. Touching the Approach key toggles Approach Mode between Nearest Set, Armed, or Active. Services/ Music Utilities System Messages Symbols Appendix Index 9-32 GTN 625/635/650 Pilot’s Guide 190-01004-03 Rev. P...
Page 275: Select Local Barometric Pressure
1. While viewing the TCAD display, touch the Baro key to select the local barometric pressure. System 2. Use the keypad to select the values and touch Enter to save Messages the values. Symbols Appendix Index 9-33 190-01004-03 Rev. P GTN 625/635/650 Pilot’s Guide...
Page 276: Tcad 9900Bx Traffic Menu
Active Set Traffic Symbols Audio Volume Toggle Ground Mode On or Off Appendix Figure 9-32 TCAD 9900BX Traffic Menu 2. Touch the desired key from the menu to make any settings. Index 9-34 GTN 625/635/650 Pilot’s Guide 190-01004-03 Rev. P...
Page 277 3. With the Use DEST APT key deactivated (no green bar), touch the Field Elevation key to manually select the Field Elevation Appendix for traffic reporting. Use the keypad to select the elevation value. Index 9-35 190-01004-03 Rev. P GTN 625/635/650 Pilot’s Guide...
Page 278 Ground Mode 1. While viewing the Traffic menu, touch the Ground key to activate Appendix Ground Mode TCAD traffic. 2. Touching the Ground key toggles Ground Mode between On and Off. Index 9-36 GTN 625/635/650 Pilot’s Guide 190-01004-03 Rev. P...
Page 279: Tcas Ii Theory Of Operation
Messages Based on CPA time, own aircraft altitude, and selected TCAS II system mode, the system determines if a TA or RA should be issued for a detected intruder. Symbols Appendix Index 9-37 190-01004-03 Rev. P GTN 625/635/650 Pilot’s Guide...
Page 280: Audio & 11
Map is shown, and the RA traffic is beyond the selected map range, the Messages system displays a half-RA symbol at the edge of the map positioned at the approximate relative bearing to the RA traffic. Symbols Appendix Index 9-38 GTN 625/635/650 Pilot’s Guide 190-01004-03 Rev. P...
Page 281 Services/ Music twice. Utilities NOTE: Aircraft that are surveilled by ADS-B In only will not trigger a TCAS resolution advisory. System Messages Symbols Appendix Index 9-39 190-01004-03 Rev. P GTN 625/635/650 Pilot’s Guide...
Page 282 If the traffic system cannot determine the bearing of a Traffic or Resolution Nearest Advisory, the alert will be displayed as a traffic alert banner outlined in the following table: Services/ Music Utilities System Messages Symbols Appendix Index 9-40 GTN 625/635/650 Pilot’s Guide 190-01004-03 Rev. P...
Page 283 • If altitude trend is available, banner indicates altitude trend up <UP> for climbing and down <DN> for descending traffic. Traffic Table 9-19 TCAS II No-Bearing Alert Banners Terrain Weather Nearest Services/ Music Utilities System Messages Symbols Appendix Index 9-41 190-01004-03 Rev. P GTN 625/635/650 Pilot’s Guide...
Page 284 RA conflict. In some cases, the TCAS II system logic Weather determines it will be necessary to cross through the intruder aircraft’ s altitude to resolve the traffic conflict. Nearest Services/ Music Utilities System Messages Symbols Appendix Index 9-42 GTN 625/635/650 Pilot’s Guide 190-01004-03 Rev. P...
Page 285 - 1,500 to - 2,000 Nearest Crossing Descend Crossing Maintain Descend -1,500 to -4,400 Services/ Music Maintain Descend Utilities Reduce Climb Table 9-21 Corrective RA Types with Required Vertical Speeds System Messages Symbols Appendix Index 9-43 190-01004-03 Rev. P GTN 625/635/650 Pilot’s Guide...
Page 286 The system test takes approximately eight seconds to complete. Condition Voice Alert Symbols System Test Passed "TCAS Two System Passed" Appendix System Test Failed "TCAS Two System Failed" Table 9-23 GTS 8000 System Test Voice Alerts Index 9-44 GTN 625/635/650 Pilot’s Guide 190-01004-03 Rev. P...
Page 287 STANDBY Mode. If the installed TCAS II traffic system is not a GTS 8000, refer to the applicable documentation for system-specific Services/ automatic traffic mode selections. Music Utilities System Messages Symbols Appendix Index 9-45 190-01004-03 Rev. P GTN 625/635/650 Pilot’s Guide...
Page 288 In a dual GTN installation, GTN #1 will control the external display. The traffic range on the external display will be set to the nearest range to the Appendix selected range on the GTN. Index 9-46 GTN 625/635/650 Pilot’s Guide 190-01004-03 Rev. P...
Page 289 During power-up of the GTN 6XX, the terrain/obstacle database versions are displayed along with a disclaimer. At the same time, the Terrain system self-test begins. A failure message is issued if the terrain test fails. Garmin provides the following terrain awareness solutions within the GTN Direct-To 6XX environment.
Page 290: Gps Altitude For Terrain
• Requires frequent altimeter setting adjustment to determine height above MSL Messages Indicated • Subject to local atmospheric conditions Symbols • Affected by variations in pressure, temperature, and lapse rate Appendix Table 10-2 GSL and Indicated Altitude Features Index 10-2 GTN 625/635/650 Pilot’s Guide 190-01004-03 Rev. P...
Page 291: General Database Information
10.3 General Database Information Foreword Garmin TAWS and HTAWS use terrain and obstacle information supplied by government and private sources. The data undergoes verification by Garmin to Getting Started confirm accuracy of the content. However, the displayed information should Audio &...
Page 292: Terrain Database Areas Of Coverage
If you have the wrong region database for your present position, then you get the message that terrain is unavailable for the current location and a Nearest crosshatched pattern on the terrain display. Services/ Music Utilities System Messages Symbols Appendix Index 10-4 GTN 625/635/650 Pilot’s Guide 190-01004-03 Rev. P...
Page 293 System Status page. Power line data is available for the contiguous United States as well as small parts of Canada and Mexico. Nearest Services/ Music Utilities System Messages Symbols Appendix Index 10-5 190-01004-03 Rev. P GTN 625/635/650 Pilot’s Guide...
Page 294 10.4 Terrain Proximity Foreword Garmin Terrain Proximity is a non-TSO-C151c-certified terrain awareness Getting system provided as a standard feature of GTN 6XX to increase situational Started awareness and help reduce controlled flight into terrain (CFIT). Terrain may be Audio &...
Page 295: Displaying Terrain Proximity
Flight Plan Selected to Show Selected View Traffic Terrain Touch to Select Display of Terrain or Obstacle Legend Weather Figure 10-3 Terrain Menu Options Nearest Services/ Music Utilities System Messages Symbols Appendix Index 10-7 190-01004-03 Rev. P GTN 625/635/650 Pilot’s Guide...
Page 296: Terrain Page
Select the display of the Terrain or Obstacle Legend on the Terrain page. System Touch the Legend key to select the display of the Terrain or Obstacle Legend. Messages Symbols Appendix Index 10-8 GTN 625/635/650 Pilot’s Guide 190-01004-03 Rev. P...
Page 297 Direct-To NOTE: The data contained in the Terrain Proximity databases comes from Proc government agencies. Garmin accurately processes and cross-validates the data but cannot guarantee its accuracy or completeness. Wpt Info NOTE: TERRAIN, TAWS-A, TAWS-B, HTAWS, or HTERRAIN PROXIMITY functionality will be available via the Terrain page, depending on the installed hardware and configuration.
Page 298 Terrain information is based on terrain elevation information in a Traffic database that may contain inaccuracies. Individual obstructions may be shown if available in the database. The data undergoes verification by Garmin to confirm Terrain accuracy of the content.
Page 299 The colors and symbols shown below are used to represent System terrain, obstacles, and threat locations. Obstacles are removed when more than 2,000 ft below the aircraft. Messages Symbols Appendix Index 10-11 190-01004-03 Rev. P GTN 625/635/650 Pilot’s Guide...
Page 300 White Utilities and 2,000 ft below current aircraft System altitude Table 10-5 Terrain/Obstacle Colors and Symbology Messages Tower Windmill Windmill in Group Power Line Symbols Appendix Index Table 10-6 Obstacle Icon Types 10-12 GTN 625/635/650 Pilot’s Guide 190-01004-03 Rev. P...
Page 301 Select Terrain View Nearest Services/ Music Utilities System Select Terrain Function Messages Figure 10-7 Terrain Menu 2. Touch the Flight Plan key to toggle the display of the active Symbols flight plan. Appendix Index 10-13 190-01004-03 Rev. P GTN 625/635/650 Pilot’s Guide...
Page 302: Terrain Alerts
Symbols alerts. 3. Touch the Test Terrain key to perform an internal test of the Appendix terrain alerting system. This function is not available when the aircraft is in the air. Index 10-14 GTN 625/635/650 Pilot’s Guide 190-01004-03 Rev. P...
Page 303 Touch the Close key to remove the pop-up alert Nearest Services/ If the pilot takes no action, the pop-up will be removed when the alert is no Music longer active. Utilities System Messages Symbols Appendix Index 10-15 190-01004-03 Rev. P GTN 625/635/650 Pilot’s Guide...
Page 304 FLTA Obstacle Caution “Obstacle Ahead; Obstacle Ahead”* Messages (ROC-C, IOI-C) “Caution, Obstacle; Caution, Obstacle” Symbols FLTA Wire Caution "Wire Ahead" (ILI-C, RLC-C) Appendix Premature Descent “Too Low, Terrain” Index Alert Caution (PDA) 10-16 GTN 625/635/650 Pilot’s Guide 190-01004-03 Rev. P...
Page 305 During final approach, FLTA alerts are automatically inhibited when the aircraft is below 200 feet AGL while within 0.5 NM of the approach runway or Symbols below 125 feet AGL while within 1.0 NM of the runway threshold. Appendix Index 10-17 190-01004-03 Rev. P GTN 625/635/650 Pilot’s Guide...
Page 306: Services/ 11
Only the PDA and FLTA alerts are disabled in the System inhibit mode. After cycling power, the terrain alerting function will no longer be inhibited. Messages Symbols Appendix Index 10-18 GTN 625/635/650 Pilot’s Guide 190-01004-03 Rev. P...
Page 307 Terrain continually monitors several system-critical items such as database validity, hardware status, and GPS status. If the terrain/obstacle database is not Messages available, the aural message “Terrain System Failure” is generated along with a Symbols “TER FAIL” annunciation. Appendix Index 10-19 190-01004-03 Rev. P GTN 625/635/650 Pilot’s Guide...
Page 308: Terrain System Status
Wpt Info Terrain Alerting is Disabled None Terrain System Test Fail “Terrain System Failure” Table 10-10 Terrain System Test Status Annunciations Traffic Terrain Weather Nearest Services/ Music Utilities System Messages Symbols Appendix Index 10-20 GTN 625/635/650 Pilot’s Guide 190-01004-03 Rev. P...
Page 309 Terrain information is based on terrain elevation information in a database that may contain inaccuracies. Individual obstructions may be shown if available in Utilities the database. The data undergoes verification by Garmin to confirm accuracy of the content, per TSO-C151c. System...
Page 310 The colors and symbols shown below are used to represent terrain, obstacles, and threat locations. Obstacles are removed when more than Messages 2,000 ft below the aircraft. Symbols Appendix Index 10-22 GTN 625/635/650 Pilot’s Guide 190-01004-03 Rev. P...
Page 311 Utilities and 2,000 ft below current aircraft System altitude Table 10-11 TAWS-B Terrain/Obstacle Colors and Symbology Messages Tower Windmill Windmill in Group Power Line Symbols Appendix Index Table 10-12 Obstacle Icon Types 10-23 190-01004-03 Rev. P GTN 625/635/650 Pilot’s Guide...
Page 312 Services/ Music Utilities System Select TAWS Function Messages Figure 10-14 Terrain Page TAWS-B Menu 2. Touch the Flight Plan key to toggle the display of the active Symbols flight plan. Appendix Index 10-24 GTN 625/635/650 Pilot’s Guide 190-01004-03 Rev. P...
Page 313 TAWS will no longer be inhibited. Utilities 1. While viewing the Terrain page, touch the Menu key. System 2. Touch the TAWS Inhibit key to toggle the inhibiting of TAWS alerts. Messages Symbols Appendix Index 10-25 190-01004-03 Rev. P GTN 625/635/650 Pilot’s Guide...
Page 314 When an alert is issued, annunciations appear on the TAWS page. If the TAWS page is not displayed at the time, a pop-up alert appears on the page being viewed. Utilities System Messages Symbols Appendix Index 10-26 GTN 625/635/650 Pilot’s Guide 190-01004-03 Rev. P...
Page 315 White text on red background Services/ Music Caution Black text on yellow background Utilities Informational Black text on white Not Applicable background System Table 10-13 TAWS-B Alert Colors and Symbology Messages Symbols Appendix Index 10-27 190-01004-03 Rev. P GTN 625/635/650 Pilot’s Guide...
Page 316 “Five-Hundred” Messages (VCO-500) Symbols * Alerts with multiple messages are configurable at installation and are installation-dependent. Alerts for the default configuration are indicated with asterisks. Appendix Table 10-14 TAWS-B Alerts Summary Index 10-28 GTN 625/635/650 Pilot’s Guide 190-01004-03 Rev. P...
Page 317 IOI alerts are accompanied by a threat location indicator displayed on the TAWS page. The alert is annunciated when the projected vertical flight path is Index calculated to come within minimum clearance altitudes in the following table. 10-29 190-01004-03 Rev. P GTN 625/635/650 Pilot’s Guide...
Page 318 PDA and FLTA aural and visual alerts can be manually inhibited. Discretion should be used when inhibiting TAWS and the system should be enabled when Appendix appropriate. When TAWS is inhibited, the alert annunciation “TAWS INHB” is Index shown. 10-30 GTN 625/635/650 Pilot’s Guide 190-01004-03 Rev. P...
Page 319 • Distance from the departure airport is 2 NM or less Messages • Heading change from the departure heading is less than 110º Symbols The NCR alerting parameters as defined by TSO-C151c are shown below. Appendix Index 10-31 190-01004-03 Rev. P GTN 625/635/650 Pilot’s Guide...
Page 320 Figure 10-22 Negative Climb Rate (NCR) Altitude Loss Traffic Terrain “DON’T SINK” Weather Nearest “TOO LOW, TERRAIN” Services/ Music Utilities System Sink Rate (FPM) Messages Figure 10-23 Negative Climb Rate (NCR) Sink Rate Symbols Appendix Index 10-32 GTN 625/635/650 Pilot’s Guide 190-01004-03 Rev. P...
Page 321 None “TAWS System Test OK” TAWS N/A TAWS Not Available Symbols TAWS Alerting is Disabled None Appendix TAWS System Test Fail “TAWS System Failure” Index Table 10-16 TAWS-B System Test Status Annunciations 10-33 190-01004-03 Rev. P GTN 625/635/650 Pilot’s Guide...
Page 322 Garmin’ s Helicopter Terrain Awareness Warning System (HTAWS) is an Com/Nav optional feature to increase situational awareness and aid in reducing controlled flight into terrain. Garmin HTAWS is TSO-C194 authorized. Units installed in helicopters that do not have HTAWS installed will display HTerrain Proximity. Direct-To This is noted by the five color terrain scale which is appropriate to the low altitude operating environment for helicopters.
Page 323: Htaws Limitations
Never use it for navigation or to maneuver to avoid terrain. HTAWS uses terrain and obstacle information supplied by government Traffic sources. The data undergoes verification by Garmin to confirm accuracy of the content. However, the displayed information should never be understood as Terrain being all-inclusive.
Page 324: Htaws Page
The HTAWS page menu provides options to acknowledge caution alerts, reduce protection, or inhibit alerting. Traffic Terrain Weather Nearest Services/ Figure 10-26 HTAWS Terrain Menu Music Utilities System Messages Symbols Appendix Index 10-36 GTN 625/635/650 Pilot’s Guide 190-01004-03 Rev. P...
Page 325 2. Touch Back to return to the Terrain/HTAWS display. The HTAWS page displays the selected view. Repeat step 1 to Nearest select the alternate view, and press Back. Services/ Music Utilities System Messages Symbols Appendix Index 10-37 190-01004-03 Rev. P GTN 625/635/650 Pilot’s Guide...
Page 326 30 knots then the unit will enter that mode once Messages ground speed exceeds 30 knots. Hence, the presence of these selections on the Menu. Symbols Appendix Index 10-38 GTN 625/635/650 Pilot’s Guide 190-01004-03 Rev. P...
Page 327 Mode” annunciation is displayed in the terrain annunciator Nearest field and in the lower right corner of the terrain page whenever protection is reduced. Services/ Music Utilities System Messages Symbols Appendix Index 10-39 190-01004-03 Rev. P GTN 625/635/650 Pilot’s Guide...
Page 328 10.7.4.5 HTAWS Manual Test Foreword Garmin HTAWS provides a manual test capability which verifies the proper Getting operation of the aural and visual annunciations of the system prior to a flight. Started To manually test the HTAWS system: Audio &...
Page 329 The green bar will show when the Flight Plan overlay is shown. Services/ Music 3. Press Back to return to the Terrain/HTAWS display. Utilities System Messages Symbols Appendix Index 10-41 190-01004-03 Rev. P GTN 625/635/650 Pilot’s Guide...
Page 330: Htaws Symbols
Terrain Obstacles are grouped when they would otherwise overlap. Weather Nearest Services/ Music Utilities System Messages Symbols Appendix Index 10-42 GTN 625/635/650 Pilot’s Guide 190-01004-03 Rev. P...
Page 331: Htaws Alerts
(White) Music Figure 10-30 HTAWS Obstacle Altitude Colors and Symbology Utilities Threat Location Indicator Alert Level System WARNING (Red) Messages CAUTION (Yellow) Symbols Table 10-20 HTAWS Alert Coloring and Symbology Appendix Index 10-43 190-01004-03 Rev. P GTN 625/635/650 Pilot’s Guide...
Page 332 Any threat locations are depicted on the display. There are 2 levels of severity Appendix for FLTA alerts. They are cautionary (amber) and warning (red) in nature and are described in further detail below. Index 10-44 GTN 625/635/650 Pilot’s Guide 190-01004-03 Rev. P...
Page 333 There are no display annunciations or pop-up alerts Terrain that accompany the aural message. HTAWS allows an additional 50 foot VCO alert with radar altimeter input. Weather Nearest Services/ Music Utilities System Messages Symbols Appendix Index 10-45 190-01004-03 Rev. P GTN 625/635/650 Pilot’s Guide...
Page 334 Numeric Value Audio Volume Utilities Touch to View Maximum System Voice Call Outs Touch to Select Alert Voice Messages Figure 10-31 Select Voice Callouts from the System Audio Page Symbols Appendix Index 10-46 GTN 625/635/650 Pilot’s Guide 190-01004-03 Rev. P...
Page 335 Maximum Voice Call Out Range - 200 feet Selected Terrain Weather Figure 10-33 View the Maximum Voice Call Out Range (200 ft Selected) Nearest Services/ Music Utilities System Messages Symbols Appendix Index 10-47 190-01004-03 Rev. P GTN 625/635/650 Pilot’s Guide...
Page 336 “HTAWS FAIL” annunciation. 10.7.6.6 HTAWS Alert Summary Wpt Info The aural alert voice gender is configurable to be either male or female. Contact your Garmin installer for further information on configuring the alert system. Traffic HTAWS Pop-Up Alert Aural Message...
Page 337 Table 10-21 HTAWS Alert Summary Symbols NOTE: HTAWS Caution Alerts are displayed as constant black text on a yellow background; HTAWS Warning Alerts are displayed as constant white text on a red background. Appendix Index 10-49 190-01004-03 Rev. P GTN 625/635/650 Pilot’s Guide...
Page 338 NOTE: Display of terrain and obstacles on the display is supplemental data only. Maneuvering solely by reference to the terrain and obstacle data is Proc not recommended or authorized. Wpt Info Traffic Terrain Weather Nearest Services/ Music Utilities System Messages Symbols Appendix Index 10-50 GTN 625/635/650 Pilot’s Guide 190-01004-03 Rev. P...
Page 339: Taws-A (Optional)
Terrain information is based on terrain elevation information in a database that may contain inaccuracies. Individual obstructions may be shown if System available in the database. The data undergoes verification by Garmin to confirm accuracy of the content, per TSO-C151c. However, the displayed information Messages should never be understood as being all-inclusive and data may be inaccurate.
Page 340 Group example above). The color of the asterisks is tied to the relative altitude Appendix of the highest obstacle in the group, not other obstacles within that group. Obstacles are grouped when they would otherwise overlap. Index 10-52 GTN 625/635/650 Pilot’s Guide 190-01004-03 Rev. P...
Page 341 ARC (120°) display. Map range is adjustable with the In and Out keys from 1 to 200 NM, as indicated by the map range rings System (or arcs). Messages Symbols Appendix Index 10-53 190-01004-03 Rev. P GTN 625/635/650 Pilot’s Guide...
Page 342 Figure 10-36 TAWS-A Page with 360° View Utilities 1. While viewing the Terrain page, touch the Menu key. System Messages 2. Selections are grouped by function: the Terrain Menu and Map Setup. Symbols Appendix Index 10-54 GTN 625/635/650 Pilot’s Guide 190-01004-03 Rev. P...
Page 343 Terrain Weather Nearest Services/ Music Flap Override Utilities G/S Inhibit GPWS Inhibit System TAWS Inhibit Test TAWS Messages Map Setup Symbols Flight Plan Legend Appendix Figure 10-39 TAWS-A Page Functional Diagram Index 10-55 190-01004-03 Rev. P GTN 625/635/650 Pilot’s Guide...
Page 344 • Premature Descent Alerting (PDA) Symbols • Ground Proximity Warning System (GPWS) Alerting, which consists of: - Excessive Descent Rate (EDR) Alerting Appendix - Excessive Closure Rate (ECR) to Terrain Alerting Index 10-56 GTN 625/635/650 Pilot’s Guide 190-01004-03 Rev. P...
Page 345 Up”* “Obstacle Ahead, System Pull Up; Obstacle Ahead, Pull Up” Messages Excessive Descent “<whoop> Rate Warning (EDR) <whoop> Pull Up” Symbols Excessive Closure “<whoop> Rate Warning (ECR) <whoop> Pull Up” Appendix Index 10-57 190-01004-03 Rev. P GTN 625/635/650 Pilot’s Guide...
Page 346 “Obstacle Ahead; Utilities Obstacle Ahead”* Imminent Obstacle Impact Caution (IOI) System “Caution, Obstacle; Caution, Obstacle” Messages "Wire Ahead; Wire Ahead"* Imminent Line Symbols Impact Caution (ILI) "Caution, Wire; Caution, Wire" Appendix Index 10-58 GTN 625/635/650 Pilot’s Guide 190-01004-03 Rev. P...
Page 347 None “Three-Hundred,”* Call Out (VCO) System “Two-Hundred,”* “One-Hundred”* Messages “TAWS Available” None TAWS Available Symbols TAWS System Test None in Progress Appendix TAWS System Test “TAWS System None Pass Test OK” Index 10-59 190-01004-03 Rev. P GTN 625/635/650 Pilot’s Guide...
Page 348 Incorrect TAWS “GPWS System Nearest configuration, Failure” radar altimeter Services/ unavailable, Music GPS position unavailable/ Utilities degraded, TAWS audio fault System “GPWS System GPWS Inhibit Failure” Messages Symbols Appendix Index 10-60 GTN 625/635/650 Pilot’s Guide 190-01004-03 Rev. P...
Page 349 The parameters for the alert as defined by TSO-C151c are shown Utilities below. System Messages Symbols Appendix Index 10-61 190-01004-03 Rev. P GTN 625/635/650 Pilot’s Guide...
Page 350 IOI alerts are accompanied by a threat location indicator displayed on the System TAWS Page. The alert is annunciated when the projected vertical flight path is calculated to come within minimum clearance altitudes in the following table. Messages Symbols Appendix Index 10-62 GTN 625/635/650 Pilot’s Guide 190-01004-03 Rev. P...
Page 351 PDA and FLTA aural and visual alerts can be manually inhibited. Discretion should be used when inhibiting TAWS and the system should be enabled when Appendix appropriate. When TAWS is inhibited, the alert annunciation “TER INHB” is shown. Index 10-63 190-01004-03 Rev. P GTN 625/635/650 Pilot’s Guide...
Page 352 FLTA is not available (causing the TAWS N/A or TAWS FAIL annunciation to be displayed), in which case ECR alerting will Messages remain active until landing. Symbols Appendix Index 10-64 GTN 625/635/650 Pilot’s Guide 190-01004-03 Rev. P...
Page 353 Figure 10-44 Excessive Closure Rate Alert Criteria (Flaps Up or Takeoff Configuration) Traffic Terrain Weather Nearest Services/ Music Utilities System Closure Rate (FPM) Messages Figure 10-45 Excessive Closure Rate Alert Criteria (Flaps in Landing Configuration) Symbols Appendix Index 10-65 190-01004-03 Rev. P GTN 625/635/650 Pilot’s Guide...
Page 354 FIT alerting remains in effect. Music Utilities Flap Override Selection System Flap Override Messages Annunciation "+" Indicates Multiple Annunciations Symbols Figure 10-47 TAWS-A Page Menu and FIT Flap Override Annunciation Appendix Index 10-66 GTN 625/635/650 Pilot’s Guide 190-01004-03 Rev. P...
Page 355 Wpt Info Traffic Terrain Weather “TOO LOW, TERRAIN” Nearest Services/ Music Utilities Radio Altitude Loss (Feet) System Figure 10-48 FIT Alerting After Takeoff Messages Symbols Appendix Index 10-67 190-01004-03 Rev. P GTN 625/635/650 Pilot’s Guide...
Page 356 The NCR alerting parameters as defined by TSO-C151c are shown below. Proc Wpt Info Traffic “DON’T SINK” Terrain “TOO LOW, TERRAIN” Weather Nearest Services/ Music Altitude Loss (Feet) Figure 10-49 Negative Climb Rate (NCR) Altitude Loss Utilities System Messages Symbols Appendix Index 10-68 GTN 625/635/650 Pilot’s Guide 190-01004-03 Rev. P...
Page 357 Utilities “GLIDESLOPE” System Messages Symbols Number of Dots Below Glideslope/Glidepath Appendix Figure 10-51 Excessive Below Glideslope/Glidepath Deviation Alert Criteria Index GSD alerting is only active after departure and the following conditions are 10-69 190-01004-03 Rev. P GTN 625/635/650 Pilot’s Guide...
Page 358 Services/ Music NOTE: Glidslope Deviation alerts will not be available if the G/S INHB function is activated. Utilities System Messages Symbols Appendix Index 10-70 GTN 625/635/650 Pilot’s Guide 190-01004-03 Rev. P...
Page 359 5 NM from the nearest airport) or 500 feet above the nearest runway threshold Utilities elevation (if less than 5 NM from the nearest airport). Upon descent to this altitude, TAWS-A issues the aural alert message “Five-hundred.” System Messages Symbols Appendix Index 10-71 190-01004-03 Rev. P GTN 625/635/650 Pilot’s Guide...
Page 360 When multiple annunciations exist, an asterisk will be present next to the annunciation. The display of each annunciation will alternate with each being Symbols displayed for approximately five seconds. Appendix Index 10-72 GTN 625/635/650 Pilot’s Guide 190-01004-03 Rev. P...
Page 361 Flight Service Stations or Air Traffic Control. Symbols NOTE: In data link weather, Temporary Flight Restrictions (TFRs) and Notices Appendix to Airmen (NOTAMs) that do not have geographical locations cannot be viewed on the GTN. Index 11-1 190-01004-03 Rev. P GTN 625/635/650 Pilot’s Guide...
Page 362: Siriusxm Weather Products (Optional)
Cell Movement Nearest AIREP/PIREP County Warnings Services/ Music SIGMET/AIRMET Freezing Level Utilities Cyclone Orientation System Track Up Heading Up North Up Legend Messages Figure 11-3 SiriusXM Weather Page Functional Diagram Symbols Appendix Index 11-2 GTN 625/635/650 Pilot’s Guide 190-01004-03 Rev. P...
Page 363 Figure 11-5 Weather Data Link Menu 3. Once you have selected what items you want to display, touch System BACK to return to the Data Link Weather page. Messages Symbols Appendix Index 11-3 190-01004-03 Rev. P GTN 625/635/650 Pilot’s Guide...
Page 364 Services/ products, or use the Up/Down keys. Music 3. Touch the Back key to remove the Legend. Utilities System Messages Symbols Appendix Index 11-4 GTN 625/635/650 Pilot’s Guide 190-01004-03 Rev. P...
Page 365: Pireps
1. While viewing the Weather Data Link function, touch the Menu Symbols key. 2. Touch the Orientation key to toggle the map view orientation Appendix choices of North Up, Track Up, and Heading Up. Index 11-5 190-01004-03 Rev. P GTN 625/635/650 Pilot’s Guide...
Page 366 NOTE: SiriusXM Weather does not provide a timestamp for AIRMETs, Symbols SIGMETs, City Forecasts, County Warnings, Cell Movement and TFR products. Therefore, the unit does not display a product age indication for Appendix these products. Index 11-6 GTN 625/635/650 Pilot’s Guide 190-01004-03 Rev. P...
Page 367: Cloud Tops
System NOTE: Due to similarities in color schemes, the display of Echo Tops cannot be shown with Cloud Tops and NEXRAD. Messages Symbols Appendix Index 11-7 190-01004-03 Rev. P GTN 625/635/650 Pilot’s Guide...
Page 368 Back key to view the weather information. Traffic Age of Selected Weather Products Terrain Weather NEXRAD Nearest Weather Services/ Figure 11-10 NEXRAD Weather Music Utilities System Messages Symbols Appendix Figure 11-11 NEXRAD Weather Legend Index 11-8 GTN 625/635/650 Pilot’s Guide 190-01004-03 Rev. P...
Page 369 • Each square block on the display represents an area of four square kilometers (2.15 NM). The intensity level reflected by each square System represents the highest level of NEXRAD data sampled within the area. Messages Symbols Appendix Index 11-9 190-01004-03 Rev. P GTN 625/635/650 Pilot’s Guide...
Page 370 • Any precipitation displayed between 52ºN and 55ºN is displayed as Weather mixed because it is unknown. Nearest Services/ Music Precipitation Utilities Above 52°N System Figure 11-13 NEXRAD Data - Canada Messages Symbols Appendix Index 11-10 GTN 625/635/650 Pilot’s Guide 190-01004-03 Rev. P...
Page 371 2. Touch Menu and then touch the Stop NXRD key to stop the Messages NEXRAD animation. The animation will also stop when leaving the page or turning off NEXRAD on the SiriusXM weather page. Symbols Appendix Index 11-11 190-01004-03 Rev. P GTN 625/635/650 Pilot’s Guide...
Page 372 Figure 11-15 Echo Tops Traffic 2. Touch the Echo Tops key again to turn it off. Terrain Weather Nearest Services/ Music Utilities System Figure 11-16 Echo Tops Legend Messages Symbols Appendix Index 11-12 GTN 625/635/650 Pilot’s Guide 190-01004-03 Rev. P...
Page 373 Figure 11-17 Cloud Tops 2. Touch the Cloud Tops key again to turn it off. Traffic Terrain Weather Nearest Services/ Music Utilities Figure 11-18 Cloud Tops Legend System Messages Symbols Appendix Index 11-13 190-01004-03 Rev. P GTN 625/635/650 Pilot’s Guide...
Page 374 Base Height Reported as Altitude of Maximum Reflectivity Utilities Figure 11-20 Cell Movement Detail 3. Touch the Cell Movement key again to turn it off. System Messages Symbols Figure 11-21 Cell Movement Legend Appendix Index 11-14 GTN 625/635/650 Pilot’s Guide 190-01004-03 Rev. P...
Page 375 Figure 11-22 SIGMETs and AIRMETs Wpt Info 2. Touch the SIGMET/AIRMET key again to turn it off. Traffic Terrain Weather Nearest Services/ Figure 11-23 SIGMET/AIRMET Legend Music Utilities System Messages Symbols Appendix Index 11-15 190-01004-03 Rev. P GTN 625/635/650 Pilot’s Guide...
Page 376 2. After viewing the County Warning detail, touch the Back key to return to the Map view. Nearest 3. Touch the County Warnings key again to turn it off. Services/ Music Utilities System Messages Symbols Figure 11-25 County Warnings Legend Appendix Index 11-16 GTN 625/635/650 Pilot’s Guide 190-01004-03 Rev. P...
Page 377 Figure 11-26 Freezing Level 2. Touch the Freezing Level key again to turn it off. Traffic Terrain Weather Nearest Services/ Music Utilities Figure 11-27 Freezing Level Legend System Messages Symbols Appendix Index 11-17 190-01004-03 Rev. P GTN 625/635/650 Pilot’s Guide...
Page 378 Detail Available - Nearest Touch and Drag Display to View Services/ Music METAR Detail Utilities Figure 11-29 METARs Detail System 3. Touch the METAR key again to turn it off. Messages Symbols Appendix Index 11-18 GTN 625/635/650 Pilot’s Guide 190-01004-03 Rev. P...
Page 379 Name, Date, Time, Nearest and Current Position of Cyclone Services/ Music Figure 11-30 Cyclone 2. Touch the Cyclone key again to turn it off. Utilities System Messages Figure 11-31 Cyclone Legend Symbols Appendix Index 11-19 190-01004-03 Rev. P GTN 625/635/650 Pilot’s Guide...
Page 380 Present Position Wpt Info Figure 11-32 Lightning 2. Touch the Lightning key again to turn it off. Traffic Terrain Figure 11-33 Lightning Legend Weather Nearest Services/ Music Utilities System Messages Symbols Appendix Index 11-20 GTN 625/635/650 Pilot’s Guide 190-01004-03 Rev. P...
Page 381 3. Touch any City Forecast symbol to show detailed information. Nearest Touch the Back key to return to the Weather display. Services/ Music City Forecast Symbol Utilities System Messages Figure 11-36 City Forecast Conditions Detail Symbols Appendix Index 11-21 190-01004-03 Rev. P GTN 625/635/650 Pilot’s Guide...
Page 382 Music Utilities Figure 11-38 Surface Analysis and Map Legend 2. Touch the Forecast Period key to select the desired time System increment. Messages Symbols Appendix Index Figure 11-39 Select Forecast Time Period 11-22 GTN 625/635/650 Pilot’s Guide 190-01004-03 Rev. P...
Page 383 The selected altitude is shown in a window Terrain above the altitude keys. 3. Touch the Winds Aloft key again to turn it off. Weather Nearest Services/ Music Utilities System Figure 11-41 Winds Aloft Legend Messages Symbols Appendix Index 11-23 190-01004-03 Rev. P GTN 625/635/650 Pilot’s Guide...
Page 384 3. Touch the Icing key again to turn it off. Nearest G3 SiriusXM G4 SiriusXM Services/ Music Utilities System Messages Figure 11-43 Icing Legend Symbols Appendix Index 11-24 GTN 625/635/650 Pilot’s Guide 190-01004-03 Rev. P...
Page 385 The selected altitude is shown in a window above the altitude Terrain keys. 3. Touch the Turbulence key again to turn it off. Weather Nearest Services/ Music Utilities Figure 11-45 Turbulence Legend System Messages Symbols Appendix Index 11-25 190-01004-03 Rev. P GTN 625/635/650 Pilot’s Guide...
Page 386 Figure 11-47 AIREP and PIREP Detail Utilities 3. Touch the Back key to remove the detailed information. System 4. Touch the AIREP/PIREP key again to turn it off. Messages Symbols Appendix Index 11-26 GTN 625/635/650 Pilot’s Guide 190-01004-03 Rev. P...
Page 387 WX-500 Stormscope Pilot's Guide that are designed to help you relate the cell or strike patterns shown on the display to the size and location of thunderstorms System that may be near your aircraft. Messages Symbols Appendix Index 11-27 190-01004-03 Rev. P GTN 625/635/650 Pilot’s Guide...
Page 388 Figure 11-49 Stormscope Display (360º Display View Shown) Nearest 2. Touch the Menu key to setup the Stormscope display. Services/ Music Utilities Lightning 360º View Display Mode System Selected (Cell) Selected Figure 11-50 Stormscope Menu Messages Symbols Appendix Index 11-28 GTN 625/635/650 Pilot’s Guide 190-01004-03 Rev. P...
Page 389 1. While viewing the Weather Stormscope page, touch MENU. Terrain 2. Touch the 360° or Arc to select the display view. Weather Nearest Services/ Music Utilities System Messages Figure 11-51 Stormscope 360º and Arc Display Views Symbols Appendix Index 11-29 190-01004-03 Rev. P GTN 625/635/650 Pilot’s Guide...
Page 390 8.1.1.6 for details about viewing Stormscope data on the Map. Utilities NOTE: The selected lightning display type, cell or strike, will be shown the System same on both the Stormscope and the Map pages. Messages Symbols Appendix Index 11-30 GTN 625/635/650 Pilot’s Guide 190-01004-03 Rev. P...
Page 391 Connext Weather is an optional feature available with the Iridium satellite ® Getting system that is interfaced through the optional Garmin GSR 56. Connext Weather Started may be viewed in the Weather and Map functions. The Weather pages may Audio &...
Page 392 If more than half of the expiration time has elapsed from the time the Terrain data is received, the color of the product age displayed changes to yellow. Weather Nearest Services/ Music Utilities System Messages Symbols Appendix Index 11-32 GTN 625/635/650 Pilot’s Guide 190-01004-03 Rev. P...
Page 393 Terrain Weather Nearest Services/ Music Figure 11-54 More Connext Weather Menu Utilities 3. Touch the Connext Settings key to make detailed settings for the Connext Weather display. System Messages Symbols Appendix Index 11-33 190-01004-03 Rev. P GTN 625/635/650 Pilot’s Guide...
Page 394 NOTE: The Auto Request function is only enabled if the GTN is connected Utilities directly to GSR 56 (software v6.30 and later). System Messages Touch to Select Request Period Symbols Appendix Figure 11-56 Select Auto Request Period Index 11-34 GTN 625/635/650 Pilot’s Guide 190-01004-03 Rev. P...
Page 395 Symbols Flight Plan Distance Data Request Touch the Distance key to request that weather information will Appendix be shown for the selected distance along the active flight plan. Index 11-35 190-01004-03 Rev. P GTN 625/635/650 Pilot’s Guide...
Page 396 Connext Satellite Services account. Be ready to provide the GTN system ID, airframe System information (model, tail number), and Iridium serial number. Garmin will issue an access code for entry on the Connext Registration page. If access code and Messages system ID are correct, the airframe registration details will display.
Page 397 Code field and press CLR to remove the access code. 2. Any weather requests will now fail and the system will no Messages longer be linked to the Connext account. Symbols Appendix Index 11-37 190-01004-03 Rev. P GTN 625/635/650 Pilot’s Guide...
Page 398 TFR Detail Services/ Music Touch TFR Symbol to View Details Utilities Figure 11-63 Connext TFR Detail System 2. Touch the Back key to return to the Weather display. Messages Symbols Appendix Index 11-38 GTN 625/635/650 Pilot’s Guide 190-01004-03 Rev. P...
Page 399 The Connext Weather Function is based on a ground-to-air data link and Symbols requires that the appropriate ground systems are broadcasting weather data and the aircraft is within reception range of the Ground Broadcast Transceiver (GBT). Appendix Index 11-39 190-01004-03 Rev. P GTN 625/635/650 Pilot’s Guide...
Page 400 Only cloud to ground strikes are reported in the US and extreme southern Canada (cloud to cloud strikes are not reported). Nearest Services/ Lightning Music Symbol Utilities System Messages Figure 11-66 Connext Data Link Lightning and Legend Symbols Appendix Index 11-40 GTN 625/635/650 Pilot’s Guide 190-01004-03 Rev. P...
Page 401 They can also contain information Symbols on precipitation amounts, lightning, and other critical data. METARs are shown Appendix as colored flags at airports that provide them. Index 11-41 190-01004-03 Rev. P GTN 625/635/650 Pilot’s Guide...
Page 402 Traffic Terrain Weather Nearest Services/ Figure 11-68 Connext Weather - Graphic METARs and Legend Music 2. Touch the Back key to return to the Weather page. Utilities System Messages Symbols Appendix Index 11-42 GTN 625/635/650 Pilot’s Guide 190-01004-03 Rev. P...
Page 403 Wpt Info Traffic Figure 11-69 Connext Weather - PIREPs and Legend Terrain 2. Touch the Back key to return to the Weather page. Weather Nearest Services/ Music Utilities System Messages Symbols Appendix Index 11-43 190-01004-03 Rev. P GTN 625/635/650 Pilot’s Guide...
Page 404 Music increments. In the figure shown above, 6,000 feet is selected and Winds Aloft data is shown for winds reported at an altitude of 6,000 feet. Utilities System Messages Symbols Appendix Index 11-44 GTN 625/635/650 Pilot’s Guide 190-01004-03 Rev. P...
Page 405 Figure 11-72 Connext Weather - AIRMETs/SIGMETs Detail and Legend Services/ Music When enabled, the following AIRMETs are available for display: • Icing Utilities • Turbulence System • IFR conditions • Mountain obscuration Messages • Surface winds Symbols Appendix Index 11-45 190-01004-03 Rev. P GTN 625/635/650 Pilot’s Guide...
Page 406 Review the Limitations section in the front of this guide for the limitations that apply to the FIS-B data. Utilities System Messages Symbols Appendix Index 11-46 GTN 625/635/650 Pilot’s Guide 190-01004-03 Rev. P...
Page 407 Ground Broadcast Transceiver (GBT). Traffic Terrain Weather Nearest Services/ Music Utilities System Messages Symbols Appendix Index 11-47 190-01004-03 Rev. P GTN 625/635/650 Pilot’s Guide...
Page 408 Due to time delays inherent in gathering and processing Messages weather data for data link transmission, the weather information shown by the data link weather product may be significantly older than the indicated Symbols weather product age. Appendix Index 11-48 GTN 625/635/650 Pilot’s Guide 190-01004-03 Rev. P...
Page 409 Utilities Figure 11-76 FIS-B Weather Data Link Menu System 3. Once you selected what items you want to display, touch BACK to return to the FIS-B Weather page. Messages Symbols Appendix Index 11-49 190-01004-03 Rev. P GTN 625/635/650 Pilot’s Guide...
Page 410 NEXRAD weather imagery in the safest way possible. Messages The National Oceanic and Atmospheric Administration hosts a description of the technology on its website: https://www.weather.gov/jetstream/doppler_intro Symbols Appendix Index 11-50 GTN 625/635/650 Pilot’s Guide 190-01004-03 Rev. P...
Page 411 Aircraft flying at higher altitudes typically receive data from more ground Utilities stations than aircraft flying at low altitudes. System FIS-B NEXRAD does not differentiate between liquid and frozen precipitation types. Messages Symbols Appendix Index 11-51 190-01004-03 Rev. P GTN 625/635/650 Pilot’s Guide...
Page 412 Combined • Both CONUS and Regional NEXRAD images display Weather simultaneously Nearest • White hash mark indicates regional boundary • Animation functionality not available Services/ Music Table 11-4 FIS-B NEXRAD Types Utilities System Messages Symbols Appendix Index 11-52 GTN 625/635/650 Pilot’s Guide 190-01004-03 Rev. P...
Page 413 FIS-B data when signal reception is limited by the distance from ground stations combined with a low altitude. Nearest Services/ Music Utilities System Messages Symbols Appendix Index 11-53 190-01004-03 Rev. P GTN 625/635/650 Pilot’s Guide...
Page 414 Weather Nearest Touch the Desired Services/ NEXRAD Source Music Utilities Figure 11-81 NEXRAD Source Selection System 3. Touch the Back key to return to the FIS-B Weather Menu. Messages Symbols Appendix Index 11-54 GTN 625/635/650 Pilot’s Guide 190-01004-03 Rev. P...
Page 415 View Details Traffic Terrain TFR Detail Weather Nearest Figure 11-83 FIS-B TFR Detail Services/ 2. Touch the Back key to return to the Weather display. Music Utilities System Messages Symbols Appendix Index 11-55 190-01004-03 Rev. P GTN 625/635/650 Pilot’s Guide...
Page 416 FIS-B lightning strikes display as a lightning bolt. Weather Nearest Services/ Music Utilities System Figure 11-85 FIS-B Lightning Messages 1. While viewing the FIS-B Weather menu, touch the Symbols Lightning key. Appendix Index 11-56 GTN 625/635/650 Pilot’s Guide 190-01004-03 Rev. P...
Page 417 Figure 11-86 METARS Map Symbols and Detail Symbols 2. Touch the METAR key to toggle METARS on or off. Appendix 3. Touch the Back key to return to the FIS-B Weather page. Index 11-57 190-01004-03 Rev. P GTN 625/635/650 Pilot’s Guide...
Page 418 2. Touch a SIGMET/AIRMET line to view details. Touch the Back Services/ key to return to the Weather display. Music Utilities System Messages Figure 11-89 SIGMET and AIRMET Details Symbols 3. Touch the SIGMET/AIRMET key again to turn it off. Appendix Index 11-58 GTN 625/635/650 Pilot’s Guide 190-01004-03 Rev. P...
Page 419 Filter Settings Terrain Filters include: Freezing Level, Icing, IFR, Low-level Wind Shear, Mountain Weather Obscuration, Surface Winds, and Turbulence. Nearest Services/ Music Utilities Figure 11-91 FIS-B G-AIRMET Filters System Messages Symbols Appendix Index 11-59 190-01004-03 Rev. P GTN 625/635/650 Pilot’s Guide...
Page 420 4. Touch a G-AIRMET line to view details. Touch the Back key to return to the Weather display. Terrain Weather Nearest Services/ Music Utilities Figure 11-93 G-AIRMET Details System Messages Symbols Appendix Index 11-60 GTN 625/635/650 Pilot’s Guide 190-01004-03 Rev. P...
Page 421 4. To u c h a C WA l i n e t o v i e w d e t a i l s. To u c h t h e Back key to return to the Weather display. Weather Nearest Services/ Music Utilities System Messages Symbols Appendix Index 11-61 190-01004-03 Rev. P GTN 625/635/650 Pilot’s Guide...
Page 422 Terrain altitude is shown in a window above the altitude keys. Weather 3. Touch the Wind/Temp Aloft key again to turn it off. Nearest Services/ Music Utilities System Messages Symbols Appendix Index 11-62 GTN 625/635/650 Pilot’s Guide 190-01004-03 Rev. P...
Page 423 Altitude Range: 2,000 to 24,000 ft. Traffic Terrain Weather Nearest Services/ Figure 11-96 FIS-B Icing Music 1. While viewing the FIS-B Weather menu, touch the Utilities Icing key. System Messages Symbols Appendix Index 11-63 190-01004-03 Rev. P GTN 625/635/650 Pilot’s Guide...
Page 424 Altitude Range: 2,000 to 24,000 ft (at 2,000 ft intervals). Direct-To Proc Wpt Info Traffic Figure 11-97 FIS-B Turbulence Terrain 1. While viewing the FIS-B Weather menu, touch the Weather Turbulence key. Nearest Services/ Music Utilities System Messages Symbols Appendix Index 11-64 GTN 625/635/650 Pilot’s Guide 190-01004-03 Rev. P...
Page 425 System Messages Figure 11-98 PIREP Information Detail and Legend Symbols 4. Touch the Back key to remove the detailed information. Appendix 5. Touch the PIREP key again to turn it off. Index 11-65 190-01004-03 Rev. P GTN 625/635/650 Pilot’s Guide...
Page 426 Foreword Getting Started Audio & Xpdr Ctrl Com/Nav Direct-To Proc Wpt Info Traffic This page intentionally left blank Terrain Weather Nearest Services/ Music Utilities System Messages Symbols Appendix Index 11-66 GTN 625/635/650 Pilot’s Guide 190-01004-03 Rev. P...
Page 427: Nearest
List Music Wpt Info Wpt Info Wpt Info Frequency Utilities List List List System Airspace Info Wpt Info Wpt Info Frequency Freq Messages Figure 12-2 Nearest Page Functional Map Symbols Appendix Index 12-1 190-01004-03 Rev. P GTN 625/635/650 Pilot’s Guide...
Page 428: Select A Nearest Page
Direct-To key. The waypoint will be loaded into the Waypoint window of the Direct-To function. Traffic 5. Touch the Activate key to navigate directly to that waypoint. Terrain Weather Nearest Services/ Music Utilities System Messages Symbols Appendix Index 12-2 GTN 625/635/650 Pilot’s Guide 190-01004-03 Rev. P...
Page 429: Nearest Airport
Touch a Key for More Airport Information Messages Figure 12-4 Nearest Airport Waypoint Info Symbols 4. Touch one of the keys (Map, Procedures, Runways, etc.) for more information about the selected airport. Appendix Index 12-3 190-01004-03 Rev. P GTN 625/635/650 Pilot’s Guide...
Page 430: Nearest Intersection (Int)
Info page for the selected Intersection. Services/ Intersection Music Information Referenced to Current Position Utilities System Touch to View Intersection Map Detail Messages Figure 12-7 Nearest Intersection Waypoint Detail Symbols Appendix Index 12-4 GTN 625/635/650 Pilot’s Guide 190-01004-03 Rev. P...
Page 431 Referenced to Services/ Current Position Music Additional VOR Information Utilities Touch to Place Touch to View Freq in Standby VOR Map Detail System Figure 12-9 Nearest VOR Waypoint Information Messages Symbols Appendix Index 12-5 190-01004-03 Rev. P GTN 625/635/650 Pilot’s Guide...
Page 432: Nearest Vrp
2. Touch the Up and Down keys to scroll through the list. Utilities 3. Touch the VRP Identifier key to show the Waypoint Info page System for the selected VRP. Messages Symbols Appendix Index 12-6 GTN 625/635/650 Pilot’s Guide 190-01004-03 Rev. P...
Page 433 Touch to Select Utilities NDB Information New Waypoint Referenced to Current Position System Additional NDB Information Messages Touch to View NDB Map Detail Symbols Figure 12-14 Nearest NDB Waypoint Information Appendix Index 12-7 190-01004-03 Rev. P GTN 625/635/650 Pilot’s Guide...
Page 434: Nearest User Waypoint
Wpt from Edit Wpt Nearest Reference Wpt Services/ Touch to View View All Wpts Music Area Map Utilities Wpts Used Figure 12-16 Nearest User Waypoint Information System Messages Symbols Appendix Index 12-8 GTN 625/635/650 Pilot’s Guide 190-01004-03 Rev. P...
Page 435 Airspace Type, and Altitude Buffer values. System NOTE: The Airspace Alert setting does not alter the depiction of airspace, Messages or change the Smart Airspace setting for the main map page. Symbols Appendix Index 12-9 190-01004-03 Rev. P GTN 625/635/650 Pilot’s Guide...
Page 436 (if applicable). By selecting any airspace name listed on the Nearest Airspace page, additional details are provided — including Index controlling agency, communication frequencies and floor/ceiling limits. 12-10 GTN 625/635/650 Pilot’s Guide 190-01004-03 Rev. P...
Page 437: Nearest Artcc
ARTCC Frequency Key Messages Figure 12-21 Nearest ARTCC Multiple Frequency List Symbols 4. Touch the key for the desired frequency to place the selected Appendix frequency into the Com Standby window. Index 12-11 190-01004-03 Rev. P GTN 625/635/650 Pilot’s Guide...
Page 438 Com Standby window. Utilities Selected FSS Frequency System FSS Multiple Inserted Into Frequency List Standby Window Messages FSS Multiple Frequency Key Symbols Figure 12-23 Selected FSS Frequency From List Appendix Index 12-12 GTN 625/635/650 Pilot’s Guide 190-01004-03 Rev. P...
Page 439: Nearest Weather Frequency (Wx Freq)
Window Utilities Figure 12-25 Nearest Weather Station Selected Frequency System 4. Touch the Weather Station Identifier key to show the Messages Waypoint Info page for the selected Weather station. Symbols Appendix Index 12-13 190-01004-03 Rev. P GTN 625/635/650 Pilot’s Guide...
Page 440 Foreword Getting Started Audio & Xpdr Ctrl Com/Nav Direct-To Proc Wpt Info Traffic This page intentionally left blank Terrain Weather Nearest Services/ Music Utilities System Messages Symbols Appendix Index 12-14 GTN 625/635/650 Pilot’s Guide 190-01004-03 Rev. P...
Page 441 Phone Number Time Period Call/End Call Email Address Volume Utilities Save Contact Volume Existing Contact Suppression System Call Message Messages Edit On During Delete APR/MAPR/TERM Symbols Appendix Figure 13-2 Services Functional Diagram Index 13-1 190-01004-03 Rev. P GTN 625/635/650 Pilot’s Guide...
Page 442 Channel Browse Volume Status System Presets Channel XM 1 GDL 69A Channel Up/Down Messages Status XM 2 Category Mute Select with XM 3 keypad Symbols Figure 13-3 Music Functional Map Appendix Index 13-2 GTN 625/635/650 Pilot’s Guide 190-01004-03 Rev. P...
Page 443 Weather Data Link page (Map Page Messages Group). The Service Class refers to the groupings of weather products available for subscription. Symbols Appendix Index 13-3 190-01004-03 Rev. P GTN 625/635/650 Pilot’s Guide...
Page 444: Music Operation
Categories Figure 13-4 Music Menu Navigate through the channels in a category by touching the Traffic Previous and Next channel keys. Terrain Weather Nearest Services/ Music Utilities System Messages Symbols Appendix Index 13-4 GTN 625/635/650 Pilot’s Guide 190-01004-03 Rev. P...
Page 445: Browsing Channels And Categories
Category Weather Nearest Touch to Select Categories Services/ Music Figure 13-6 Music Categories Utilities 3. The current category will be shown at the top of the display. System Messages Symbols Appendix Index 13-5 190-01004-03 Rev. P GTN 625/635/650 Pilot’s Guide...
Page 446 Channel Touch Enter or Number Selection Press Small Knob Weather to Save Number Figure 13-8 Selecting Music Channels with the Numeric Keypad Nearest Services/ Music Utilities System Messages Symbols Appendix Index 13-6 GTN 625/635/650 Pilot’s Guide 190-01004-03 Rev. P...
Page 447 3. Touch MUTE to mute the radio volume. Traffic Terrain 4. Touch MUTE again or the Volume key to unmute the radio volume. Weather Nearest Services/ Music Utilities System Messages Symbols Appendix Index 13-7 190-01004-03 Rev. P GTN 625/635/650 Pilot’s Guide...
Page 448 1. Touch the Presets key to select the preset bank (XM 1, Weather XM 2, or XM 3). Nearest 2. Touch the desired preset key. Services/ Music Utilities System Messages Symbols Appendix Index 13-8 GTN 625/635/650 Pilot’s Guide 190-01004-03 Rev. P...
Page 449 Touch to View Music Weather Products Utilities Figure 13-11 GDL 69/69A Status Page 2. Touch the Menu key to display the GDL Status Menu. System Messages Symbols Appendix Index Figure 13-12 GDL Status Menu 13-9 190-01004-03 Rev. P GTN 625/635/650 Pilot’s Guide...
Page 450 OK key to continue the operation. Getting Started Audio & Xpdr Ctrl Com/Nav Figure 13-13 Lock Activation Direct-To Proc Wpt Info Traffic Terrain Weather Nearest Services/ Music Utilities System Messages Symbols Appendix Index 13-10 GTN 625/635/650 Pilot’s Guide 190-01004-03 Rev. P...
Page 451 13.5 Iridium Phone Operation (Optional) Foreword Optional satellite telephone operation is available through the Iridium ® satellite system that is interfaced through the Garmin GSR 56. Getting Started Touch to Start Audio & Phone Call Xpdr Ctrl Phone Status Touch to End...
Page 452 4. To make a direct call with a keypad, touch the Touchtone Entry key. Services/ Music Utilities System Messages Figure 13-17 Touchtone Entry Pad Symbols 5. After completing the call, touch the End Call key. Appendix Index 13-12 GTN 625/635/650 Pilot’s Guide 190-01004-03 Rev. P...
Page 453 Touch the HANG UP soft key to end the call. Terrain Weather Nearest Services/ Music Utilities System Messages Symbols Appendix Index 13-13 190-01004-03 Rev. P GTN 625/635/650 Pilot’s Guide...
Page 454 NOTE: The Suppress Visuals setting only affects the visual indication of an Audio & Xpdr Ctrl incoming call/text. It does not inhibit the phone ringer or incoming SMS chime. Garmin recommends that you inhibit the audio from the GSR 56 Com/Nav unless a phone call is active. Status Description Call Suppression is turned off.
Page 455 Touch to Received Messages Utilities Touch to View Draft Messages System Touch to View Sent Messages Messages Figure 13-21 SMS Text Page 2. Select Compose, Inbox, Drafts, or Outbox. Symbols Appendix Index 13-15 190-01004-03 Rev. P GTN 625/635/650 Pilot’s Guide...
Page 456 New Message Message Messages Figure 13-23 Compose a New SMS Text Message 2. Touch the To window to select the recipient. Select either a Symbols Phone Number or E-mail Address. Appendix Index 13-16 GTN 625/635/650 Pilot’s Guide 190-01004-03 Rev. P...
Page 457 System Message Body Touch Resend Messages Message Figure 13-26 Resend a Failed SMS Text Message Symbols 3. To delete the message, touch the Menu key and then the Appendix Delete key. Index 13-17 190-01004-03 Rev. P GTN 625/635/650 Pilot’s Guide...
Page 458 4. Select the Report Period with the keypad and press Enter. System 5. When Automatic Reporting is disabled, touch the Send Report key to manually send a report. Messages Symbols Appendix Index 13-18 GTN 625/635/650 Pilot’s Guide 190-01004-03 Rev. P...
Page 459 Table 13-3 Position Reporting Status Weather Countdown Time Until Transmit Reporting Status Nearest Number of Reports in the Queue Services/ Figure 13-29 Position Reporting Status Music Utilities System Messages Symbols Appendix Index 13-19 190-01004-03 Rev. P GTN 625/635/650 Pilot’s Guide...
Page 460 Contact Messages Phone Number Touch to Edit the Symbols Touch to Delete Contact the Contact Appendix Figure 13-32 Using the Contact List 2. Touch the desired function for the selected Contact. Index 13-20 GTN 625/635/650 Pilot’s Guide 190-01004-03 Rev. P...
Page 461 Messages waypoints or for any programmed flight plan. View fuel conditions along the active direct-to or flight Symbols Fuel Planning plan. Appendix DALT/TAS/Winds Calculate altitude, airspeed, and winds. Index 14-1 190-01004-03 Rev. P GTN 625/635/650 Pilot’s Guide...
Page 462 Enabling one automatically disables the other. Note 2: Aircraft must be equipped with fuel flow and/or Traffic fuel on board sensors. Terrain Weather Nearest Services/ Music Utilities System Messages Symbols Appendix Index 14-2 GTN 625/635/650 Pilot’s Guide 190-01004-03 Rev. P...
Page 463 Foreword Getting Started Audio & Xpdr Ctrl Com/Nav Direct-To Proc Wpt Info Traffic Terrain Weather Nearest Services/ Music Utilities System Messages Symbols Appendix Index Figure 14-2 Utilities Functional Diagram 14-3 190-01004-03 Rev. P GTN 625/635/650 Pilot’s Guide...
Page 464 WARNING: Do not use VCALC messages as the only means of either avoiding terrain/obstacles or following ATC guidance. VCALC provides advisory Messages information only and must be used in concert with all other available navigation data sources. Symbols Appendix Index 14-4 GTN 625/635/650 Pilot’s Guide 190-01004-03 Rev. P...
Page 465 Music Figure 14-5 VCALC Page Utilities 2. Select the VCALC items as necessary to set up parameters for the next waypoint. Touch the Back key when finished. System Messages Symbols Appendix Index 14-5 190-01004-03 Rev. P GTN 625/635/650 Pilot’s Guide...
Page 466 2. Touching the Altitude Type key will toggle between MSL and Above WPT. "Above WPT" is only available for waypoints that Weather are airports. Nearest Services/ Music Utilities System Messages Symbols Appendix Index 14-6 GTN 625/635/650 Pilot’s Guide 190-01004-03 Rev. P...
Page 467: Vertical Speed (Vs) Profile
Knob to Save Number Utilities Figure 14-8 Select VCALC Target Offset System 2. Use the numeric keypad to select the desired Target Offset and then touch the Enter key. Messages Symbols Appendix Index 14-7 190-01004-03 Rev. P GTN 625/635/650 Pilot’s Guide...
Page 468: Before/After Target Waypoint
2. A list of the remaining waypoints in the flight plan will be Music shown. Touch the desired waypoint to select it as the Target Waypoint. Utilities System Messages Symbols Appendix Index 14-8 GTN 625/635/650 Pilot’s Guide 190-01004-03 Rev. P...
Page 469 While viewing the VCALC page menu, touching the Restore Defaults key will reset all of the VCALC values back to their default values. The Target Waypoint Weather will not be changed. Nearest Services/ Music Utilities System Messages Symbols Appendix Index 14-9 190-01004-03 Rev. P GTN 625/635/650 Pilot’s Guide...
Page 470 Set Departure Time to Current Symbols Local Time of Timer Start Figure 14-12 Utility Flight Timers Page (Trip/DEP Timers) Appendix 4. Touch each key as desired to set up timer operation. Index 14-10 GTN 625/635/650 Pilot’s Guide 190-01004-03 Rev. P...
Page 471 3. Touch the Arrival Date key and select the date of arrival at the selected waypoint. Messages 4. Touch the Arrival Time key and select the local time of Symbols expected arrival at the selected waypoint. Appendix Index 14-11 190-01004-03 Rev. P GTN 625/635/650 Pilot’s Guide...
Page 472 Audio & Xpdr Ctrl Touch to Compute RAIM Com/Nav RAIM Prediction Result Direct-To Figure 14-14 RAIM Prediction Completed Proc Wpt Info Traffic Terrain Weather Nearest Services/ Music Utilities System Messages Symbols Appendix Index 14-12 GTN 625/635/650 Pilot’s Guide 190-01004-03 Rev. P...
Page 473: Point-To-Point Mode
• Estimated time of arrival (ETA) - ETA is shown as hours:minutes and is the local time at the destination. Messages - If in Point-To-Point mode then the ETA is the ETE added to the Symbols departure time. Appendix Index 14-13 190-01004-03 Rev. P GTN 625/635/650 Pilot’s Guide...
Page 474: Flight Plan Mode
Touch to Select Messages Between Statistics Departure Time and Data Input Touch to Select Symbols Departure Date Figure 14-15 Utility Trip Planning Page To Edit Input Data (Point-To-Point Mode) Appendix -Sensor Data Used Index 14-14 GTN 625/635/650 Pilot’s Guide 190-01004-03 Rev. P...
Page 475 6. Touch the Depart Time key and then use the keypad to select the departure time (local time at From waypoint) and touch Utilities Enter. Selected Departure Time System Messages Symbols Appendix Touch to Select Departure Time Figure 14-18 Selecting Departure Time Index 14-15 190-01004-03 Rev. P GTN 625/635/650 Pilot’s Guide...
Page 476 Enter. Nearest Selected Ground Speed Services/ Music Utilities System Touch to Select Ground Speed Messages Figure 14-20 Selecting Expected Average Ground Speed Symbols Appendix Index 14-16 GTN 625/635/650 Pilot’s Guide 190-01004-03 Rev. P...
Page 477 2. Touch the Flight Plan key to select the flight plan. Messages Touch to Select Flight Plan (Active Symbols FPL Shown) Appendix Touch to Scroll List Index Figure 14-23 Select Flight Plan 14-17 190-01004-03 Rev. P GTN 625/635/650 Pilot’s Guide...
Page 478 FPL Leg Previous FPL Leg Symbols Trip Statistics Touch to Toggle Appendix Between Statistics and Data Input Index Figure 14-26 Utility Trip Planning Page Computed Data View Of Next Waypoint (Flight Plan Mode) 14-18 GTN 625/635/650 Pilot’s Guide 190-01004-03 Rev. P...
Page 479 Touch to Select Touch to Select Touch to Select Appendix Fuel on Board Expected Average Fuel Flow Ground Speed Index Figure 14-27 Utility Fuel Planning Page Showing Edit Input Data (Point-to-Point Mode) 14-19 190-01004-03 Rev. P GTN 625/635/650 Pilot’s Guide...
Page 480 Enter. Utilities Selected Fuel on System Board Value Touch to Select Messages Fuel Value Symbols Figure 14-30 Selecting Current Fuel On Board Appendix Index 14-20 GTN 625/635/650 Pilot’s Guide 190-01004-03 Rev. P...
Page 481 Enter. Proc Selected Ground Speed Value Wpt Info Touch to Select Ground Speed Value Figure 14-32 Selecting Ground Speed Traffic Terrain Weather Nearest Services/ Music Utilities System Messages Symbols Appendix Index 14-21 190-01004-03 Rev. P GTN 625/635/650 Pilot’s Guide...
Page 482 Fuel Flow value and touch Enter. 6. Touch the Ground Speed key and then the keypad to select Appendix the average ground speed for the trip and touch Enter. Index 14-22 GTN 625/635/650 Pilot’s Guide 190-01004-03 Rev. P...
Page 483 Proc 9. Touch the Edit Input Data key to return to the display for Wpt Info selecting Fuel Planning data. Traffic Terrain Weather Nearest Services/ Music Utilities System Messages Symbols Appendix Index 14-23 190-01004-03 Rev. P GTN 625/635/650 Pilot’s Guide...
Page 484 Touch to Select Track Value Touch to Select Symbols Ground Speed Touch to Compute Appendix Touch to Select Data and View Heading Value Statistics Index Figure 14-39 Utility DALT/TAS/Winds Page Using Manually Entered Data 14-24 GTN 625/635/650 Pilot’s Guide 190-01004-03 Rev. P...
Page 485 System Selected Touch to Clear Calculated Air Values Messages Speed Value Touch to Select Calculated Air Symbols Touch to Cancel Speed Value Selection Appendix Figure 14-43 Select Calculated Air Speed Value Index 14-25 190-01004-03 Rev. P GTN 625/635/650 Pilot’s Guide...
Page 486 Figure 14-46 Select Heading Value System 7. Touch the Ground Speed key and then the keypad to select Messages the average ground speed for the trip and then touch Enter. Symbols Appendix Index 14-26 GTN 625/635/650 Pilot’s Guide 190-01004-03 Rev. P...
Page 487: Clean Screen Mode
Figure 14-47 Utilities Home Page 2. Touch the HOME key to exit Screen Cleaning Mode. Traffic Terrain Weather Nearest Services/ Figure 14-48 Screen Cleaning Mode Music Utilities System Messages Symbols Appendix Index 14-27 190-01004-03 Rev. P GTN 625/635/650 Pilot’s Guide...
Page 488 Services/ Music Touch to Select Touch to Enter Message Type Utilities Message Text Touch to Enter Message System Countdown Timer Messages Figure 14-50 Create a Scheduled Message Symbols Appendix Index 14-28 GTN 625/635/650 Pilot’s Guide 190-01004-03 Rev. P...
Page 489: Checklists
Checklists The Checklists function provides a built-in method of reviewing your aircraft Direct-To checklist. Checklists are created using the Garmin Checklist Editor software Proc (available online) and stored on the datacard as “chklist.ace.” As each Checklist is completed, you can advance to the next one in order. In the Checklist Menu,...
Page 490: Viewing Checklists
2. After completing the Checklist, touch Go to Next Checklist, Menu, or Back to exit the Checklist function. Weather All checklists are cleared after a power cycle. NOTE: Nearest Services/ Music Utilities System Messages Symbols Appendix Index 14-30 GTN 625/635/650 Pilot’s Guide 190-01004-03 Rev. P...
Page 491 System function. Nearest Services/ Music 3. Touch the desired key to reach that function. To return to the System page, touch the Back key. Utilities System Messages Symbols Appendix Index 15-1 190-01004-03 Rev. P GTN 625/635/650 Pilot’s Guide...
Page 492 Position Format Services/ Music Volume TAWS Alert Voice Utilities Manual Offset System Connext Setup * Messages Voice Commands * Symbols Command History * Appendix * Optional Index Figure 15-2 System Function Summary 15-2 GTN 625/635/650 Pilot’s Guide 190-01004-03 Rev. P...
Page 493 System Status Menu Database Info Weather Current Serial # & System ID Database SYNC Standby Software Versions Nearest Conflicts Services/ Figure 15-4 System Status Functional Diagram Music Utilities System Messages Symbols Appendix Index 15-3 190-01004-03 Rev. P GTN 625/635/650 Pilot’s Guide...
Page 494: Serial Number And System Id
Database conflicts will be shown in the Conflicts section. For more information on GTN databases and how to update Messages them refer to section 18.2. Symbols Appendix Index 15-4 GTN 625/635/650 Pilot’s Guide 190-01004-03 Rev. P...
Page 495 The SBAS list is based on the Aviation database. Refer to the System Satellite-Based Augmentation System section later in this chapter for details. Messages 3. Touch the Back key to return to the System Status page. Symbols Appendix Index 15-5 190-01004-03 Rev. P GTN 625/635/650 Pilot’s Guide...
Page 496 Once the GPS receiver has determined your position, the Symbols GTN unit indicates your position, altitude, track and ground speed. The GPS receiver status field also displays the following messages under the appropriate Appendix conditions: Index 15-6 GTN 625/635/650 Pilot’s Guide 190-01004-03 Rev. P...
Page 497 GTN as a primary means of navigation under FAR System parts 91, 121, 125, and 135. The FDE program is part of the GTN trainer, available for download from the GTN product information page on Garmin’s Messages website, flyGarmin.com.
Page 498 3. Touch the key for the desired SBAS provider. Weather Nearest Services/ Music Utilities Figure 15-7 SBAS Selection Page System 4. Touch the Back key to return to the System Status page. Messages Symbols Appendix Index 15-8 GTN 625/635/650 Pilot’s Guide 190-01004-03 Rev. P...
Page 499: Gps Faults
5 seconds pass without adequate satellites to compute a position) Appendix • GPS sensor detects an excessive position error or failure that cannot be excluded within the time to alert Index • On-board hardware failure 15-9 190-01004-03 Rev. P GTN 625/635/650 Pilot’s Guide...
Page 500: External Lrus
Figure 15-9 External LRU Page Terrain 2. When more information is available about the listed units, Weather touch the More Info key to view the information. Nearest Services/ Music Utilities System Messages Symbols Appendix Index 15-10 GTN 625/635/650 Pilot’s Guide 190-01004-03 Rev. P...
Page 501: Gdl 69 (And Gdl 69A) Status
Touch the OK key to continue the operation. System Messages Symbols Figure 15-12 Lock Activation Appendix 4. Touch the Back key to return to the GDL Status page. Index 15-11 190-01004-03 Rev. P GTN 625/635/650 Pilot’s Guide...
Page 502 Required Input data is available but does not meet the Unavailable to Run performance criteria or is not available due to Utilities Non-Computed Data (NCD) conditions. System Table 15-3 Traffic Application Status Messages Symbols Appendix Index 15-12 GTN 625/635/650 Pilot’s Guide 190-01004-03 Rev. P...
Page 503 Status page. Nearest 4. Touch the Traffic App Status key to view the Traffic Application information. Services/ Music Utilities Traffic Status System Messages Figure 15-16 GDL 88 Traffic Information Symbols Appendix Index 15-13 190-01004-03 Rev. P GTN 625/635/650 Pilot’s Guide...
Page 504 Wpt Info Registration display. Touch to Touch to Enter Register Access Code Traffic Current Terrain Registration Info Weather Figure 15-18 Connext Registration Page Nearest Services/ Music Utilities System Messages Symbols Appendix Index 15-14 GTN 625/635/650 Pilot’s Guide 190-01004-03 Rev. P...
Page 505 Min Rwy Length Services/ Com/Nav Music Com Channel Spacing 25.0 kHz Utilities 8.33 kHz Reverse Frequency Lookup System COM Sidetone Control Messages Keyboard Symbols Crossfill Appendix Figure 15-19 System Setup Functions Index 15-15 190-01004-03 Rev. P GTN 625/635/650 Pilot’s Guide...
Page 506 CDI scale. At 2.0 NM before the final approach fix (FAF), CDI scaling is Messages tightened from 1.0 NM to the angular full scale deflection (typically the angular full-scale deflection is 2.0°, but will be as defined for the approach). Symbols Appendix Index 15-16 GTN 625/635/650 Pilot’s Guide 190-01004-03 Rev. P...
Page 507 2. Touch the CDI Scale key to toggle between automatic selection System or to choose the CDI scale manually. Messages Symbols Touch to Select CDI Scale Appendix Index Figure 15-22 CDI Scale Selection 15-17 190-01004-03 Rev. P GTN 625/635/650 Pilot’s Guide...
Page 508 12 hour, local 24 hour, or UTC time. System Touch Key to Select Messages Time Format Symbols Appendix Figure 15-24 Select System Time Format 5. Touch the key for the desired time format. Index 15-18 GTN 625/635/650 Pilot’s Guide 190-01004-03 Rev. P...
Page 509 3. Touch Minimum Runway Length to display the keypad for selecting the minimum runway length. Select the desired Messages minimum runway length with the numeric keypad. A selection Symbols of "0" will allow any length. Appendix Index 15-19 190-01004-03 Rev. P GTN 625/635/650 Pilot’s Guide...
Page 510 1. While viewing the System Setup page, touch the Com/Nav Traffic key. Terrain 2. Touch COM Channel Spacing to toggle between 8.33 kHz and 25.0 kHz channel spacing. Weather Nearest Services/ Music Utilities System Messages Symbols Appendix Index 15-20 GTN 625/635/650 Pilot’s Guide 190-01004-03 Rev. P...
Page 511 The “+” Sign Indicates More Stations Associated Wpt Info Reverse Frequency With this Lookup Selected Frequency Figure 15-28 Reverse Frequency Lookup Selected Traffic Terrain Weather Nearest Services/ Music Utilities System Messages Symbols Appendix Index 15-21 190-01004-03 Rev. P GTN 625/635/650 Pilot’s Guide...
Page 512 3. Adjust offset as necessary. To adjust the offset from the configured sidetone volume, deselect Nearest Link to COM VOL and then adjust the offset as necessary. Services/ Music Utilities System Messages Symbols Appendix Index 15-22 GTN 625/635/650 Pilot’s Guide 190-01004-03 Rev. P...
Page 513 Figure 15-30 Keyboard Formats Messages Keyboard Description Symbols Alphabetical layout QWERTY U.S. standard keyboard layout Appendix Slider Key selector on bottom bar displays five keys at any given time Table 15-5 Keyboard Formats Index 15-23 190-01004-03 Rev. P GTN 625/635/650 Pilot’s Guide...
Page 514 - Date/Time convention - Nearest airport criteria Symbols - Units (Nav angle, Fuel, and Temperature) - User-defined COM frequencies to store favorites Appendix - CDI Scale setting Index - ILS CDI Capture setting 15-24 GTN 625/635/650 Pilot’s Guide 190-01004-03 Rev. P...
Page 515 OK to enable Crossfill or touch Cancel to return to the System Setup page without enabling Crossfill. Terrain Weather Nearest Touch OK to Enable Services/ Crossfill With Dual Music Units Utilities Figure 15-32 Confirming Crossfill Selection System Messages Symbols Appendix Index 15-25 190-01004-03 Rev. P GTN 625/635/650 Pilot’s Guide...
Page 516 3. Touch the Transfer User Waypoints key to transfer the User Waypoints from the GTN unit to the connected GNS unit. Services/ Music Utilities System Transfer of User Messages Waypoints In Progress Symbols Figure 15-34 GTN-GNS Crossfill Appendix Index 15-26 GTN 625/635/650 Pilot’s Guide 190-01004-03 Rev. P...
Page 517 Crossfill with the G3X Touch . Direct-To 2. Ensure that the crossfilling function on G3X Touch is active. Proc Wpt Info Traffic Terrain Weather Nearest Services/ Music Utilities System Messages Symbols Appendix Index 15-27 190-01004-03 Rev. P GTN 625/635/650 Pilot’s Guide...
Page 518: Alerts Settings
Enter. System Selected Proximity Value Messages Touch Key to Delete Values Symbols Use the Numeric Keypad to Select Proximity Value Appendix Figure 15-36 Arrival Alert Proximity Selection Index 15-28 GTN 625/635/650 Pilot’s Guide 190-01004-03 Rev. P...
Page 519: Airspace Alert Options
NOTE: The Airspace Alert setting does not alter the depiction of airspace, or change the Smart Airspace setting for the main map page. Messages NOTE: Airspace alerts for Prohibited airspace cannot be disabled. Symbols Appendix Index 15-29 190-01004-03 Rev. P GTN 625/635/650 Pilot’s Guide...
Page 520: User Fields
3. Touch the Up or Down keys or touch the display and drag your finger to scroll through the list. Touch the desired item Symbols to select it or touch the Back key to cancel selection. Appendix Index 15-30 GTN 625/635/650 Pilot’s Guide 190-01004-03 Rev. P...
Page 521 HTAWS RP Mode - HTAWS RP Mode OFF - Do Not Display Data Field System Table 15-7 Function Field Types of Information Messages Note 1: With TAWS-A enabled Note 2: With HTAWS enabled Symbols Appendix Index 15-31 190-01004-03 Rev. P GTN 625/635/650 Pilot’s Guide...
Page 522 SiriusXM WX - Sirius XM WX Page Terrain - Terrain Page OFF - Do Not Display Page Field Table 15-8 Page Field Types of Information Traffic Terrain Weather Nearest Services/ Music Utilities System Messages Symbols Appendix Index 15-32 GTN 625/635/650 Pilot’s Guide 190-01004-03 Rev. P...
Page 523: Units Settings
Figure 15-41 System Units Page 2. Touch the key for the desired units. A window with a list of Symbols unit values will appear. Touch the desired value on the list. Appendix Index 15-33 190-01004-03 Rev. P GTN 625/635/650 Pilot’s Guide...
Page 524 Utilities Touch to Select User (manual) Mag Var System Figure 15-43 Nav Angle Selections Messages 3. After User is selected, touch the Magnetic Variation key to set the value. Symbols Appendix Index 15-34 GTN 625/635/650 Pilot’s Guide 190-01004-03 Rev. P...
Page 525 5. The User Nav Angle value will be used for all angular values. Weather Remember to change the value when traveling to an area requiring another value. Nearest Services/ Music Utilities System Messages Symbols Appendix Index 15-35 190-01004-03 Rev. P GTN 625/635/650 Pilot’s Guide...
Page 526 In the case of regional position formats (e.g., Swiss National Grid), the GTN System defaults to displaying LAT/LON for any positions outside of the grid region. Grid Designator Easting Value Messages Symbols Appendix Northing Value Figure 15-48 British National Grid Position Format Detail Index 15-36 GTN 625/635/650 Pilot’s Guide 190-01004-03 Rev. P...
Page 527 2. Touch the Position Format key. Traffic Touch to Select Terrain Position Format Weather Nearest Figure 15-51 Position Format Selection Services/ Music 3. Touch the desired Position format. Utilities System Messages Symbols Appendix Index 15-37 190-01004-03 Rev. P GTN 625/635/650 Pilot’s Guide...
Page 528 5. Touch the MAX Voice Callout key to select the value. Utilities Touch to Select Max Voice Callout System Messages Symbols Touch to Select Voice Callout Value Appendix Figure 15-53 Select Voice Callout Value 6. Touch Back when complete. Index 15-38 GTN 625/635/650 Pilot’s Guide 190-01004-03 Rev. P...
Page 529 2. Touch the Manual Offset Arrow keys to set the Manual Offset level. Messages 3. After making the desired selections, touch the Back key to Symbols return to the Setup page. Appendix Index 15-39 190-01004-03 Rev. P GTN 625/635/650 Pilot’s Guide...
Page 530: Connext Setup - Gsr 56
Follow the information provided in section 15.3.3. 15.11 Connext Setup - Flight Stream 210 and 510 Direct-To NOTE: Refer to the Flight Stream product page on the Garmin website for portable device compatibility. Proc The GTN interfaces with the Flight Stream 210 Bluetooth transceiver and Wpt Info Flight Stream 510 wireless datacard.
Page 531 Figure 15-57 Flight Stream 510 - Wi-Fi Setup 4. Touch the Features key to manage Flight Stream Features. Nearest Services/ Music Utilities System Messages Symbols Figure 15-58 Flight Stream 510 - Features Setup Appendix Index 15-41 190-01004-03 Rev. P GTN 625/635/650 Pilot’s Guide...
Page 532: Operation
Music Touch to Automatically Connect to the Device Touch to Remove Utilities When in Range the Device System Device is Connected and Communicating Messages Symbols Figure 15-59 Managing Paired Devices Appendix Index 15-42 GTN 625/635/650 Pilot’s Guide 190-01004-03 Rev. P...
Page 533 Figure 15-60 Confirm Pairing With A New Device Selecting “Manage Paired Devices” opens a page that lists all of devices paired to the Flight Stream. Traffic Terrain Weather Nearest Services/ Music Utilities System Messages Symbols Appendix Index 15-43 190-01004-03 Rev. P GTN 625/635/650 Pilot’s Guide...
Page 534: Connext Setup - Other Bluetooth Devices
Connext Setup page or the Manage Paired Devices Utilities page. The pairing must be initiated by the portable device. A pop-up will be displayed on the portable device to confirm the pairing. System Messages Symbols Appendix Index 15-44 GTN 625/635/650 Pilot’s Guide 190-01004-03 Rev. P...
Page 535 The Voice Command page allows controlling the voice command function Audio & and viewing the voice command status and recent commands. Voice Commands Xpdr Ctrl are only available when connected to a compatible Garmin audio panel and Com/Nav when enabled by the installer. Installed Voice...
Page 536 Foreword Getting Started Audio & Xpdr Ctrl Com/Nav Direct-To Proc Wpt Info Traffic This page intentionally left blank Terrain Weather Nearest Services/ Music Utilities System Messages Symbols Appendix Index 15-46 GTN 625/635/650 Pilot’s Guide 190-01004-03 Rev. P...
Page 537 No action is necessary; message is to enter an airspace informational only. Airspace entry Messages type, within 10 minutes, in less than 10 for which alerts are minutes. Symbols configured. Appendix Index 16-1 190-01004-03 Rev. P GTN 625/635/650 Pilot’s Guide...
Page 538 ROL mode. Press “Enable APR guidance is now Engage the autopilot into approach Output” before Symbols available. mode. Refer to section 6.15 for selecting APR on additional information. autopilot. Appendix Index 16-2 GTN 625/635/650 Pilot’s Guide 190-01004-03 Rev. P...
Page 539 Com radio may be System with the system. (COM RMT XFR) switch, if installed inoperative. – this will force the com radio to Messages 121.5 MHz. Contact dealer for Symbols service. Appendix Index 16-3 190-01004-03 Rev. P GTN 625/635/650 Pilot’s Guide...
Page 540 ERROR - of communication be crossfilled. Contact dealer for Crossfill is Symbols with other GTN or due service. inoperative. See to one GTN needing CRG for crossfilled service. Appendix items. Index 16-4 GTN 625/635/650 Pilot’s Guide 190-01004-03 Rev. P...
Page 541 If terrain coverage Terrain display Symbols coverage area. is desired in the area, load unavailable for appropriate coverage area on the current location. Appendix external datacard. Index 16-5 190-01004-03 Rev. P GTN 625/635/650 Pilot’s Guide...
Page 542 1090 receiver. Messages DATALINK - FIS-B The FIS-B receiver is Contact dealer for service. Symbols reporting that it has weather has failed. failed. The display of Appendix FIS-B products may be unavailable. Index 16-6 GTN 625/635/650 Pilot’s Guide 190-01004-03 Rev. P...
Page 543 Check Utilities GPS devices. System DATALINK - The GDL 88 Contact dealer for service. has detected a GDL 88 Messages configuration module configuration fault. module needs Symbols service. Appendix Index 16-7 190-01004-03 Rev. P GTN 625/635/650 Pilot’s Guide...
Page 544 DATALINK - The GTN is configured Close the GSR 56 circuit breaker Nearest for a Garmin GSR 56 and ensure the GSR 56 is receiving GSR 56 is Services/ and the GTN cannot power. Contact dealer for service.
Page 545 The GTN has received a No action is necessary; message is Symbols new flight plan that is informational only. IMPORT - New available for preview by imported flight Appendix the pilot. plan(s) available for preview. Index 16-9 190-01004-03 Rev. P GTN 625/635/650 Pilot’s Guide...
Page 546 Messages board may continue to fix crossing altitude. If another function. glideslope source is not available Symbols for verification, fly a GPS based approach. Contact dealer for Appendix service. Index 16-10 GTN 625/635/650 Pilot’s Guide 190-01004-03 Rev. P...
Page 547 Use a different GPS receiver Symbols is reporting that it or a non-GPS based source of GPS receiver needs needs service. The GPS navigation. Contact dealer for Appendix service. module may continue service. to function. Index 16-11 190-01004-03 Rev. P GTN 625/635/650 Pilot’s Guide...
Page 548 GAD 42 indicates a Verify all input/output data from/ configuration error. ADAPTER - to the GAD 42 Interface Adapter. Messages Contact dealer for service. GAD 42 configuration Symbols needs service. Appendix Index 16-12 GTN 625/635/650 Pilot’s Guide 190-01004-03 Rev. P...
Page 549 Contact dealer for service Volume knob position for at least if message persists. is stuck in the Messages 30 seconds. This knob pressed position. press will now be Symbols ignored. Appendix Index 16-13 190-01004-03 Rev. P GTN 625/635/650 Pilot’s Guide...
Page 550 TARGET - has failed because of clear view of the sky. Reattempt Waypoint creation missing GPS position. Symbols waypoint creation. Contact dealer has failed. MOT for service. requires GPS Appendix position. Index 16-14 GTN 625/635/650 Pilot’s Guide 190-01004-03 Rev. P...
Page 551 System acute angle. degrees. Messages PARALLEL TRACK - Parallel track is not No action is necessary; message is supported on informational only. Parallel track not Symbols approaches. supported past IAF. Appendix Index 16-15 190-01004-03 Rev. P GTN 625/635/650 Pilot’s Guide...
Page 552 Messages increment key is at least 30 seconds. stuck. This input will now Symbols be ignored. This input is not available in all Appendix installations. Index 16-16 GTN 625/635/650 Pilot’s Guide 190-01004-03 Rev. P...
Page 553 System Remote CDI key is position for at least 30 stuck. seconds. This input will Messages now be ignored. This input is not available in Symbols all installations. Appendix Index 16-17 190-01004-03 Rev. P GTN 625/635/650 Pilot’s Guide...
Page 554 TAWS inhibit key is at least 30 seconds. stuck. This input will now System be ignored. This input is not available in all Messages installations. Symbols Appendix Index 16-18 GTN 625/635/650 Pilot’s Guide 190-01004-03 Rev. P...
Page 555 Stormscope is Stormscope is Stormscope but is not receiving power. Contact dealer for inoperative or System receiving data from it. service. connection to GTN is lost. Messages Symbols Appendix Index 16-19 190-01004-03 Rev. P GTN 625/635/650 Pilot’s Guide...
Page 556 TRAFFIC - The TCAD system Contact dealer for service. System has indicated that its Traffic device battery is low. battery low. Traffic Messages device user config settings not saved. Symbols Appendix Index 16-20 GTN 625/635/650 Pilot’s Guide 190-01004-03 Rev. P...
Page 557 Contact dealer for service. Utilities lost communication 1 OR 2 - with the pressure System ADS-B Out system altitude source. fault. Pressure Messages altitude source inoperative or Symbols connection lost. Appendix Index 16-21 190-01004-03 Rev. P GTN 625/635/650 Pilot’s Guide...
Page 558 TRANSPONDER The transponder is Contact dealer for service if 1 OR 2 - reporting that its message persists. System internal temperature Transponder has exceeded lower undertemp. Messages operating limits. Symbols Appendix Index 16-22 GTN 625/635/650 Pilot’s Guide 190-01004-03 Rev. P...
Page 559 No action is necessary; message is Messages a vertical descent informational only. Approaching top of calculation, and the descent. Symbols aircraft is within 60 seconds of the Appendix calculated top of descent. Index 16-23 190-01004-03 Rev. P GTN 625/635/650 Pilot’s Guide...
Page 560 The GTN Upcoming flight unsupported leg type cannot provide automatic guidance plan leg not Messages prior to the active between the two segments. supported. vertical waypoint. Symbols Appendix Index 16-24 GTN 625/635/650 Pilot’s Guide 190-01004-03 Rev. P...
Page 561 System database are not referenced to the WGS84 datum, or their reference datum is unknown. If this is the case, this message is displayed. Garmin cannot determine Messages exactly how close the non-WGS84 referenced waypoint will be to the WGS84 datum that the GTN uses.
Page 562 Foreword Getting Started Audio & Xpdr Ctrl Com/Nav Direct-To Proc Wpt Info Traffic This page intentionally left blank Terrain Weather Nearest Services/ Music Utilities System Messages Symbols Appendix Index 16-26 GTN 625/635/650 Pilot’s Guide 190-01004-03 Rev. P...
Page 563 Heliport Wpt Info Intersection Locator Outer Marker VOR/DME Traffic VORTAC Terrain TACAN TOD/BOD Weather User Waypoint User Airport Nearest Services/ Table 17-1 Map Page Symbols Music Utilities System Messages Symbols Appendix Index 17-1 190-01004-03 Rev. P GTN 625/635/650 Pilot’s Guide...
Page 564 Wpt Info 17.3 Traffic Symbols TIS Symbol Description Traffic Non-Threat Traffic Terrain Traffic Advisory (TA) Weather Traffic Advisory Off Scale Nearest Table 17-3 TIS Symbols Services/ Music Utilities System Messages Symbols Appendix Index 17-2 GTN 625/635/650 Pilot’s Guide 190-01004-03 Rev. P...
Page 565 Utilities Traffic Advisory System Proximity Advisory (color may be configured as cyan) Messages Other Traffic (color may be configured as cyan) Symbols Out-of-Range Traffic Advisory Appendix Table 17-6 9900BX (TCAS) Symbols Index 17-3 190-01004-03 Rev. P GTN 625/635/650 Pilot’s Guide...
Page 566 NOTE: Color of basic and proximate traffic is dependent on configuration (cyan or white) and airborne/on-ground status of target (target is brown Services/ when on the ground, see the surface vehicles). Music Utilities System Messages Symbols Appendix Index 17-4 GTN 625/635/650 Pilot’s Guide 190-01004-03 Rev. P...
Page 567 Terrain between 100 ft and 1000 ft below the aircraft altitude (Yellow) Terrain Terrain more than 1000 ft below the aircraft altitude (Black) Weather Figure 17-1 Terrain Altitude/Color Correlation Nearest Services/ Music Utilities System Messages Symbols Appendix Index 17-5 190-01004-03 Rev. P GTN 625/635/650 Pilot’s Guide...
Page 568 Terrain is between 250 ft and 500 ft below the aircraft altitude (Green) Terrain more than 500 ft below the aircraft altitude (Black) Terrain Figure 17-3 HTAWS Altitude/Color Correlation Weather Nearest Services/ Music Utilities System Messages Symbols Appendix Index 17-6 GTN 625/635/650 Pilot’s Guide 190-01004-03 Rev. P...
Page 569 National Highway - 2-digit drawn inside Direct-To Small City or Town Proc Wpt Info Medium City Large City Traffic Table 17-10 Basemap Symbols Terrain Weather Nearest Services/ Music Utilities System Messages Symbols Appendix Index 17-7 190-01004-03 Rev. P GTN 625/635/650 Pilot’s Guide...
Page 570: Map Tool Bar Symbols
TIS-B or ADS-R services (Software v5.11 or earlier) Traffic Enabled and Available Indicator Weather Traffic Enabled and Not Available Indicator Nearest Table 17-11 Map Tool Bar Symbols Services/ Music Utilities System Messages Symbols Appendix Index 17-8 GTN 625/635/650 Pilot’s Guide 190-01004-03 Rev. P...
Page 571 This typically only occurs during start-up. In helicopters without a heading source, the non-directional ownship symbol will also appear System below 15 kts. Parallel Track Waypoint Messages Restricted/Prohibited/Warning/Alert Symbols TFR (Temporary Flight Restrictions) Appendix Index 17-9 190-01004-03 Rev. P GTN 625/635/650 Pilot’s Guide...
Page 572: Stormscope Symbols
(software v5.12 or later). Direct-To 17.9 Stormscope Symbols Proc Symbol Description Wpt Info Traffic Terrain Weather Table 17-13 Stormscope Symbols Nearest Services/ Music Utilities System Messages Symbols Appendix Index 17-10 GTN 625/635/650 Pilot’s Guide 190-01004-03 Rev. P...
Page 573 Utilities backcourse Bearing The compass direction from the present position to a System destination waypoint bearing Messages Symbols center runway ºC degrees Celsius Appendix Course Deviation Indicator CHNL channel Index cloud 18-1 190-01004-03 Rev. P GTN 625/635/650 Pilot’s Guide...
Page 574 Utilities DSBL disabled Desired Track System Messages Excessive Descent Rate EGNOS Provides SBAS service for most of Europe and parts of North Africa Symbols ELEV elevation Electromagnetic Interference Appendix en route Index 18-2 GTN 625/635/650 Pilot’s Guide 190-01004-03 Rev. P...
Page 575 Global Positioning System GPSS GPS Roll Steering Symbols Ground Speed The velocity that the aircraft is travelling relative to a ground position Appendix Ground Track refer to Track Garmin Reference System Ground Speed Index 18-3 190-01004-03 Rev. P GTN 625/635/650 Pilot’s Guide...
Page 576 Messages Liquid Crystal Display local Symbols Light Emitting Diode The portion of a flight plan between two waypoints Appendix LIFR Low Instrument Flight Rules LNAV Lateral Navigation Index localizer 18-4 GTN 625/635/650 Pilot’s Guide 190-01004-03 Rev. P...
Page 577 Services/ Music Mean Sea Level meter Utilities millivolt(s) MVFR Marginal Visual Flight Rules System Messages navigation NAVAID NAVigation AID Symbols Negative Climb Rate Non-Directional Beacon Appendix NEXRAD Next Generation Radar Index 18-5 190-01004-03 Rev. P GTN 625/635/650 Pilot’s Guide...
Page 578 Storm Cell Identification and Tracking System Secure Digital surface Messages SIAP Standard Instrument Approach Procedures Standard Instrument Departure Symbols SIGMET Significant Meteorological Information SLP/SKD slip/skid Appendix SMBL symbol speed Index SRVC, SVC service 18-6 GTN 625/635/650 Pilot’s Guide 190-01004-03 Rev. P...
Page 579 Services/ Music position; also ‘Ground Track’ track Utilities TRSA Terminal Radar Service Area System UNAVAIL unavailable Messages user Coordinated Universal Time Symbols UTM/UPS Universal Transverse Mercator/ Universal Polar Stereographic Grid Appendix Index 18-7 190-01004-03 Rev. P GTN 625/635/650 Pilot’s Guide...
Page 580 Vertical Speed Indicator Proc WAAS Wide Area Augmentation System Wpt Info WGS-84 World Geodetic System - 1984 waypoint(s) weather Traffic XPDR transponder Terrain cross-track Weather Nearest Services/ Music Utilities System Messages Symbols Appendix Index 18-8 GTN 625/635/650 Pilot’s Guide 190-01004-03 Rev. P...
Page 581 HOT lines are those power lines that are co-located with other FAA-identified obstacles. Appendix The obstacle database is required for the TAWS and HTAWS functions. Index 18-9 190-01004-03 Rev. P GTN 625/635/650 Pilot’s Guide...
Page 582 Music Table 18-1 Database List Utilities NOTE: Garmin requests that the flight crew report any observed discrepancies related to database information. These discrepancies could System come in the form of an incorrect procedure, incorrectly identified terrain, obstacles and fixes, or any other displayed item used for navigation or Messages communication in the air or on the ground.
Page 583: Updating Databases With A Sd Card
Audio & Xpdr Ctrl Jeppesen (jeppesen.com) for ChartView subscription and update information. An enablement card that is purchased from Garmin is separate from the Jeppesen Com/Nav database and is required to enable ChartView. 1. Download the database updates to the Garmin Database Card from the appropriate website.
Page 584 If a database is highlighted in yellow, it is either expired or missing. Direct-To Proc Wpt Info Figure 18-2 Currently Installed Software/Databases Traffic Terrain Weather Nearest Services/ Music Utilities System Messages Symbols Appendix Index 18-12 GTN 625/635/650 Pilot’s Guide 190-01004-03 Rev. P...
Page 585 Updating Databases with a Flight Stream 510 Foreword GTN databases can also be updated using the Flight Stream 510 wireless Getting database card with a portable device and the Garmin Pilot application. Started 1. Follow the instructions within the app to purchase and Audio &...
Page 586 Started become effective. Databases that are not supported by this Audio & Xpdr Ctrl GTN may be transferred and then SYNC’d to other Garmin displays. Com/Nav 7. Press the Update key. NOTE: Do not remove power to the GTN while updating databases.
Page 587: Database Sync
Database SYNC allows the GTN to synchronize databases from a single unit Getting to other Garmin avionics. The pilot only needs to update a single database card Started (SD card or Flight Stream 510) and the new databases are automatically SYNC'd Audio &...
Page 588 Chart Streaming Wpt Info While the Chart database is SYNCing in the background, the GTN will stream individual charts to other compatible displays. This enables all Garmin displays to use the latest chart database information even though the database Traffic is currently installed only on a single unit.
Page 589: Database Troubleshooting Tips
• Ensure that all conflicts have been resolved (section 18.2.4.1) Database cannot be • Restart the GTN while pressing the dual-concentric knob until the Garmin selected for update logo is fully illuminated to veiw all database updates on the database card, regardless of effectivity •...
Page 590 Weather Nearest Services/ Music Utilities Touch For Advanced GPS Settings System Touch For Advanced NAV Settings Messages Touch For Advanced Date And Time Settings Symbols Figure 18-8 Demo Mode Setup Appendix Index 18-18 GTN 625/635/650 Pilot’s Guide 190-01004-03 Rev. P...
Page 591 Touch To Select Touch To Select Altitude Airspeed Nearest Touch To Select Services/ Track Mode Music Touch To Select Time Scale Utilities Figure 18-10 Demo Mode Navigation Settings System Messages Symbols Appendix Index 18-19 190-01004-03 Rev. P GTN 625/635/650 Pilot’s Guide...
Page 592 7. After completing the settings for Demo mode, touch the HOME Proc key or Back key to get started with operating the GTN. Wpt Info Traffic Terrain Weather Nearest Services/ Music Utilities System Messages Symbols Appendix Index 18-20 GTN 625/635/650 Pilot’s Guide 190-01004-03 Rev. P...
Page 593: Glove Qualification Procedure
• Table 18-4 contains tasks that are not required to qualify a glove, but may limit how some functions are accessed while wearing a glove Nearest Services/ Music Utilities System Messages Symbols Appendix Index 18-21 190-01004-03 Rev. P GTN 625/635/650 Pilot’s Guide...
Page 594: Procedure
System Starting from the Home page: Demo Same Worse Messages Same Worse Symbols Waypoint Same Worse Type the airport identifier“KSLE.” Same Worse Appendix Enter Same Worse Index Return to the Home page. 18-22 GTN 625/635/650 Pilot’s Guide 190-01004-03 Rev. P...
Page 595 Select the active NAV frequency field. Observe the two Same Worse frequency values swap positions. Messages GTN 650 only Menu Same Worse Symbols Table 18-3 Tests Required for Glove Qualification Appendix Index 18-23 190-01004-03 Rev. P GTN 625/635/650 Pilot’s Guide...
Page 596 Drag the leg between KMMV and BTG to KSPB. Same Worse Observe that KSPB is added to the flight plan. Table 18-4 Tests Not Required for Glove Qualification Traffic Terrain Weather Nearest Services/ Music Utilities System Messages Symbols Appendix Index 18-24 GTN 625/635/650 Pilot’s Guide 190-01004-03 Rev. P...
Page 597 • Pause briefly between activation of the PTC switch and when speaking the Weather voice command. Nearest • Review the commands prior to performing the qualification. Services/ Music Utilities System Messages Symbols Appendix Index 18-25 190-01004-03 Rev. P GTN 625/635/650 Pilot’s Guide...
Page 598 2. Conduct the voice commands in sequential order while wearing an aviation headset. If necessary, a command can be attempted System twice. Messages 3. When the command is successful check the box next to the command. Symbols Appendix Index 18-26 GTN 625/635/650 Pilot’s Guide 190-01004-03 Rev. P...
Page 599 SHOW Voice Command History Page Utilities * A GTN COM radio is required. System † Two COM radios connected to the GMA are required. ‡ Traffic capability is required on the GTN. Messages Symbols Appendix Index 18-27 190-01004-03 Rev. P GTN 625/635/650 Pilot’s Guide...
Page 600 Foreword Getting Started Audio & Xpdr Ctrl Com/Nav Direct-To Proc Wpt Info Traffic This page intentionally left blank Terrain Weather Nearest Services/ Music Utilities System Messages Symbols Appendix Index 18-28 GTN 625/635/650 Pilot’s Guide 190-01004-03 Rev. P...
Page 601 Category 13-5 Annunciations 1-6, 1-19, 6-2, 9-10, 9-11, Appendix Cautions iv, 8-33, 10-11, 10-12, 10-16, 9-16, 10-10, 10-15, 10-20, 10-21, 10-22, 10-23, 10-27, 10-52, 10-26, 10-33, 10-72 10-53 Anonymous mode 2-7 Index Index-1 190-01004-03 Rev. P GTN 625/635/650 Pilot’s Guide...
Page 602: Direct-To 11
Database 1-6, 3-5, 8-45, 8-43, 10-6, 10- 33, 11-41, 11-44, 15-3, 10-19 FDE 15-7 Appendix Database SYNC 15-4 Field elevation 9-27 Find Com frequency 3-5 Database verification 1-7 FIR 12-1 Data link 9-3, 11-38 Index Index-2 GTN 625/635/650 Pilot’s Guide 190-01004-03 Rev. P...
Page 603 Glideslope 3-14 Symbols Intersection 7-11, 8-22, 8-33, 12-4 Glossary 18-1 GMT 15-18 Invert flight plan 4-24, 4-37 Appendix GPS 18-19 Iridium 11-31, 13-1, 13-11, 13-18 GPS altitude ii, 10-6 GPS status 15-5 Index Index-3 190-01004-03 Rev. P GTN 625/635/650 Pilot’s Guide...
Page 604 Map range 8-12, 8-44, 9-15, 10-13, NEXRAD 8-7, 11-7 10-24 Limitations 11-9 Appendix Map setup 8-9 NEXRAD Canada 11-10 Map symbols 17-1, 17-7 Next airspace 8-34 Map toolbar symbols 17-8 Non-directional ownship 17-9 Index Index-4 GTN 625/635/650 Pilot’s Guide 190-01004-03 Rev. P...
Page 605 Symbols Preview flight plan 4-38, 4-43 Procedures 1-18, 6-1 Appendix Procedure turn 6-13 SafeTaxi 8-13, 8-22, 8-44, 8-45, 17-2 Product age 11-38 SafeTaxi symbols 17-2 Product description 1-3 Satellite telephone 13-11 Index Index-5 190-01004-03 Rev. P GTN 625/635/650 Pilot’s Guide...
Page 606 TFR 8-22, 11-55, 17-9 System ID 15-4 Appendix Time 15-6, 15-7, 15-18 System power 1-6 Time until transmit 13-19 System settings 1-10 System status 9-10, 9-16, 10-33, 10-72, TIS 9-3, 9-4, 9-7, 9-9 Index Index-6 GTN 625/635/650 Pilot’s Guide 190-01004-03 Rev. P...
Page 607 Messages VFR 2-5, 11-19, 11-42, 11-57 View catalog 4-36 Symbols VNAV 4-25, 8-15, 18-8 Voice alert 9-9 Appendix Voice call out 10-17, 10-19, 10-28, 10- 33, 15-38, 10-45, 10-59, 10-71, 10-57 Index Index-7 190-01004-03 Rev. P GTN 625/635/650 Pilot’s Guide...
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This manual is also suitable for:

Gtn 635 Gtn 650

Garmin GTN 625 Pilot's Manual

1 Getting Started

2 Audio and Transponder Controls (Optional)

3 Nav/Com

Appendix

4 Flight Plans

5 Direct-To

6 Procedures

Appendix

10 Terrain

11 Weather

12 Nearest

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Summary of Contents for Garmin GTN 625