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: Limited Warranty
Direct-To causes; (iv) damage caused by service performed by anyone who is not an authorized service provider of Garmin; or (v) damage to a product that has been modified or altered without the written Proc permission of Garmin. In addition, Garmin reserves the right to refuse warranty claims against products or services that are obtained and/or used in contravention of the laws of any country.
Page 4 Terrain data is obtained Com/Nav from third 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 System and is solely responsible for its accuracy and maintenance. The GPS system is subject to changes which could affect the accuracy and Utilities performance of all GPS equipment. Portions of the Garmin GTN 6XX utilize GPS as a precision electronic NAVigation AID (NAVAID). Therefore, as with System all NAVAIDs, information presented by the GTN 6XX can be misused or misinterpreted and, therefore, become unsafe.
Page 6 CAUTION: The Garmin GTN 6XX does not contain any user-serviceable Foreword parts. Repairs should only be made by an authorized Garmin service center. Unauthorized repairs or modifications could void both the warranty and Getting Started the pilot’s authority to operate this device under FAA/FCC regulations.
Page 7 Foreword NOTE: The FAA has asked Garmin to remind pilots who fly with Garmin database-dependent avionics of the following: Getting Started • It is the pilot’s responsibility to remain familiar with all FAA regulatory Audio & and advisory guidance and information related to the use of databases in Xpdr Ctrl the National Airspace System.
Page 8 Please, have the serial Direct-To particular installation. number of your unit handy, connect to our web site (www.garmin.com) and look for our Proc If this equipment does cause harmful Product Registration link on the Home page.
Page 9: Product Registration And Support
Foreword Help us better support you by completing your online registration today! Getting Have the serial number of your product handy and connect to the Garmin web Started site (www.garmin.com). Look for the Product Registration link on the Home Audio &...
Page 10 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 viii Garmin GTN 625/635/650 Pilot’s Guide 190-01004-03 Rev. K...
Page 11: Table Of Contents
System Setup Values ............1-11 1.5.2.2 Units Settings Values ............1-12 Symbols 1.5.2.3 Alerts Settings Values ............1-12 1.5.3 Dual GTN Installations ............1-13 Appendix Direct-To Navigation ................1-14 1.6.1 Direct-To a Waypoint ............1-14 Index 190-01004-03 Rev. K Garmin GTN 625/635/650 Pilot’s Guide...
Page 12 Com and Nav Frequency Finding ..........3-5 Symbols 3.3.1.1 Find Recent Frequencies ............3-5 3.3.1.2 Find Nearest Frequencies ............3-6 Appendix 3.3.1.3 Find Flight Plan Frequencies ........... 3-7 3.3.1.4 Find User Frequencies ............3-8 Index Garmin GTN 625/635/650 Pilot’s Guide 190-01004-03 Rev. K...
Page 13 Invert Flight Plan ..............4-22 Symbols 4.3.3 Parallel Track ............... 4-23 4.3.4 Edit Data Fields ..............4-25 Appendix 4.3.5 Flight Plan Catalog Route Options ........4-26 4.3.5.1 Catalog Route Option - Activate........... 4-27 Index 190-01004-03 Rev. K Garmin GTN 625/635/650 Pilot’s Guide...
Page 14 Approaches with Procedure Turns ............6-11 Symbols Flying the Missed Approach ............... 6-11 Flying an Approach with a Hold ............6-12 Appendix Flying a DME Arc Approach ..............6-13 Index Radial-to-Fix (RF) Approaches ............6-14 Garmin GTN 625/635/650 Pilot’s Guide 190-01004-03 Rev. K...
Page 15 Waypoint Location Based on Radial and Distance ......7-19 Import User Waypoints (SD Card) ............7-20 Symbols Map ......................8-1 Map Menu ..................8-2 Appendix 8.1.1 Map Overlays ................ 8-3 8.1.1.1 Overlay Priority ..............8-4 Index xiii 190-01004-03 Rev. K Garmin GTN 625/635/650 Pilot’s Guide...
Page 16 Cycle Number and Revision ........8-40 ® Traffic ....................9-1 Symbols Traffic Pop-Up ..................9-1 Traffic Test ................... 9-2 Appendix Traffic Information Service (TIS) (Optional) ..........9-3 9.3.1 TIS Symbology ............... 9-4 Index Garmin GTN 625/635/650 Pilot’s Guide 190-01004-03 Rev. K...
Page 17 Symbols 9.6.3.6 Approach Mode ..............9-29 TCAD 9900B Operation ..............9-30 Appendix 9.7.1 Select Local Barometric Pressure .......... 9-31 9.7.2 Select Active Shield .............. 9-31 Index 9.7.3 TCAD 9900B Traffic Menu............ 9-31 190-01004-03 Rev. K Garmin GTN 625/635/650 Pilot’s Guide...
Page 18 10.4.7 TAWS-B Page ..............10-12 Symbols 10.4.7.1 Terrain Page Layers ............10-12 10.4.7.2 Terrain Page View .............. 10-13 Appendix 10.4.7.3 Terrain Page TAWS-B Selections ......... 10-14 10.4.8 TAWS Alerts ..............10-14 Index Garmin GTN 625/635/650 Pilot’s Guide 190-01004-03 Rev. K...
Page 19 10.5.5.5 HTAWS Failure Alert............10-35 Symbols 10.5.5.6 HTAWS Alert Summary............10-36 10.5.6 Pilot Actions ..............10-37 Appendix 10.6 TAWS-A (Optional)................10-38 10.6.1 Introduction ..............10-38 Index 10.6.1.1 Displaying TAWS-A Data ............ 10-40 xvii 190-01004-03 Rev. K Garmin GTN 625/635/650 Pilot’s Guide...
Page 20 Freezing Level..............11-18 Messages 11.1.12 METARs ................11-19 11.1.13 Cyclone ................11-20 Symbols 11.1.14 Lightning ................11-21 11.1.15 Weather Forecast .............. 11-22 Appendix 11.1.16 Winds Aloft ............... 11-24 11.1.17 Icing ................. 11-25 Index xviii Garmin GTN 625/635/650 Pilot’s Guide 190-01004-03 Rev. K...
Page 21 11.4.3 FIS-B TFRs ................. 11-58 11.4.4 FIS-B METARs ..............11-59 Appendix 11.4.5 FIS-B PIREPs ..............11-60 11.4.6 FIS-B Winds and Temperatures Aloft ........11-61 Index 11.4.7 FIS-B SIGMETs and AIRMETs ..........11-62 190-01004-03 Rev. K Garmin GTN 625/635/650 Pilot’s Guide...
Page 22 13.5.6.3 A Failed SMS Text Message ..........13-17 13.5.7 Position Reporting ............. 13-18 Symbols 13.5.7.1 Status ................13-19 13.5.7.2 Position Reporting Status ........... 13-19 Appendix 13.5.8 Contacts ................13-20 13.5.8.1 Creating a Contact ............13-20 Index Garmin GTN 625/635/650 Pilot’s Guide 190-01004-03 Rev. K...
Page 23 15.1.3.2 Database Sync Operation ............. 15-7 15.1.3.3 Database Sync Setup ............15-11 Symbols 15.1.3.4 Standby Databases ............15-12 15.1.3.5 Resolving Database Conflicts ..........15-13 Appendix 15.2 GPS Status ..................15-15 15.2.1 GPS Status Page ..............15-15 Index 190-01004-03 Rev. K Garmin GTN 625/635/650 Pilot’s Guide...
Page 24 15.12 Connext Setup - Other Bluetooth Devices ......... 15-48 16 Messages ...................16-1 Symbols 17 Symbols ....................17-1 17.1 Map Page Symbols................17-1 Appendix ™ 17.2 SafeTaxi Symbols ................17-2 Index 17.3 Traffic Symbols ................... 17-2 xxii Garmin GTN 625/635/650 Pilot’s Guide 190-01004-03 Rev. K...
Page 25 Garmin Databases ............. 18-11 Direct-To 18.3 Demo Mode ..................18-14 Proc 18.4 Glove Qualification Procedure ............18-17 Index .....................Index-1 Wpt Info Traffic Terrain Weather Nearest Services/ Music Utilities System Messages Symbols Appendix Index xxiii 190-01004-03 Rev. K Garmin GTN 625/635/650 Pilot’s Guide...
Page 26: Welcome
Welcome ... Foreword Welcome to the GTN era of navigation. The Garmin GTN supports airway Getting navigation and flexible flight planning, including arrival and departure procedures Started and precision approaches. All of these advanced features are easily accessed with Audio &...
Page 27: Conventions
System Selected Field Type Messages Symbols Appendix Touching the Back key returns to the previous display. The Cancel key cancels any information selected or entered and Index returns to the previous display. 190-01004-03 Rev. K Garmin GTN 625/635/650 Pilot’s Guide...
Page 28 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 xxvi Garmin GTN 625/635/650 Pilot’s Guide 190-01004-03 Rev. K...
Page 29: 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 30: Gtn 635
Xpdr Ctrl 69/69A datalink receiver. Com/Nav 1.1.2 GTN 635 The GTN 635 includes all of the features of the GTN 625, and also includes a 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 Proc a TSO’d airborne VHF communications transceiver and TSO’d airborne VOR/...
Page 31: Product Description
GTN 6XX is powered off before inserting or removing an SD card. Messages NOTE: Refer to SD Card Use and Databases in the Appendix for instructions on updating databases. Symbols Appendix Index 190-01004-03 Rev. K Garmin GTN 625/635/650 Pilot’s Guide...
Page 32: Pilot Controls
Pressing the HOME key displays the Home page, the main screen for accessing the GTN features. Pressing and holding the HOME key will open the Symbols Default Navigation page from any other page. Appendix Index Figure 1-5 HOME Key Garmin GTN 625/635/650 Pilot’s Guide 190-01004-03 Rev. K...
Page 33: Direct-To Key
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 34: Unit Power Up
Section 15.1.3.1, Database Info. Services/ Music Utilities System 2 - SW & Database 1 - Copyright 3 - Panel Self-Test Versions & Dates Messages Figure 1-10 System Startup Pages Symbols Appendix Index Garmin GTN 625/635/650 Pilot’s Guide 190-01004-03 Rev. K...
Page 35: Database Verification And Fuel Settings
NOTE: When the GTN is interfaced with a digital fuel computer the pilot System 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. K Garmin GTN 625/635/650 Pilot’s Guide...
Page 36 Set Fuel Full Weather Capacity Nearest Services/ Music Touch To Touch To Return Set Fuel Tab Utilities To Fuel On Capacity Board Display Figure 1-14 Fuel Capacity Setup Page System Messages Symbols Appendix Index Garmin GTN 625/635/650 Pilot’s Guide 190-01004-03 Rev. K...
Page 37 Continue key to advance to the Home page. Wpt Info Traffic Terrain Weather Figure 1-16 Home Page Nearest Services/ Music Utilities System Messages Symbols Appendix Index 190-01004-03 Rev. K Garmin GTN 625/635/650 Pilot’s Guide...
Page 38: System Operation
Weather • External LRUs • Setup Nearest • Alerts Settings Services/ • User Fields Music • Units Settings Utilities • Audio • Backlight System • Connext Setup Messages Symbols Appendix Index 1-10 Garmin GTN 625/635/650 Pilot’s Guide 190-01004-03 Rev. K...
Page 39: System Setup Values
Hour, and/or UTC) keys and selecting the appropriate Local Symbols Time Offset after touching the Local Offset key. Appendix 3. Touch the Com Channel Spacing key to toggle between 8.33 and 25.0 kHz channel spacing. Index 1-11 190-01004-03 Rev. K Garmin GTN 625/635/650 Pilot’s Guide...
Page 40: Units Settings Values
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 Garmin GTN 625/635/650 Pilot’s Guide 190-01004-03 Rev. K...
Page 41: Dual Gtn Installations
NOTE: There is an installer option to turn on a system message that will Symbols be provided anytime crossfill is turned off to alert the pilot that flight plans are not being crossfilled. Appendix Index 1-13 190-01004-03 Rev. K Garmin GTN 625/635/650 Pilot’s Guide...
Page 42: Direct-To Navigation
2. Touch the Nearest tab and then the desired airport from the Messages Nearest Airport list. Touch the Up or Down keys as needed to show more of the list. Symbols 3. Touch Activate or press the small right knob. Appendix Index 1-14 Garmin GTN 625/635/650 Pilot’s Guide 190-01004-03 Rev. K...
Page 43: Selecting Com/Nav Frequencies
3. Touch the Com or NAV window to flip/flop the Active and Messages Standby frequencies. You can also press and hold the small right knob to transfer the standby frequency to the active Symbols window. Appendix Index 1-15 190-01004-03 Rev. K Garmin GTN 625/635/650 Pilot’s Guide...
Page 44 Com Frequency recall switch. Symbols NOTE: Frequencies must be stored in the User Frequency List prior to utilizing the remote channel select switch. Appendix Index 1-16 Garmin GTN 625/635/650 Pilot’s Guide 190-01004-03 Rev. K...
Page 45: 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. K Garmin GTN 625/635/650 Pilot’s Guide...
Page 46: Ifr Procedures
6. Or, touch the Load APPR & Activate key for the flight plan Traffic to go Direct-To the selected transition or provide guidance on the final approach course for vectored approaches. Terrain Weather Nearest Services/ Music Utilities System Messages Symbols Appendix Index 1-18 Garmin GTN 625/635/650 Pilot’s Guide 190-01004-03 Rev. K...
Page 47: Dead Reckoning
Messages projected 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. Appendix Index 1-19 190-01004-03 Rev. K Garmin GTN 625/635/650 Pilot’s Guide...
Page 48: Default Navigation
Utilities type. A list of information types will be displayed. System Messages Touch a Field to Change the User Field Symbols Appendix Figure 1-24 Default Nav Page User Field Selection Index 1-20 Garmin GTN 625/635/650 Pilot’s Guide 190-01004-03 Rev. K...
Page 49 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. K Garmin GTN 625/635/650 Pilot’s Guide...
Page 50: Trip Planning
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 Garmin GTN 625/635/650 Pilot’s Guide 190-01004-03 Rev. K...
Page 51: Cdi (Gtn 650 Only)
2. After selecting the desired waypoint, touch the FastFind key. System Complete Touch to Select Wpt Selection Displayed Wpt Messages Figure 1-28 Select Characters for FastFind to Predict a Waypoint - KPAE Selected Symbols Appendix Index 1-23 190-01004-03 Rev. K Garmin GTN 625/635/650 Pilot’s Guide...
Page 52: Fastfind With A Flight Plan
Wpt Info Selected Wpt Predicted Wpt Characters Figure 1-29 Using FastFind to Predict a Waypoint in a Flight Plan Traffic Terrain Weather Nearest Services/ Music Utilities System Messages Symbols Appendix Index 1-24 Garmin GTN 625/635/650 Pilot’s Guide 190-01004-03 Rev. K...
Page 53: Audio And Transponder Controls (Optional)
Instructions For Rotary Knob Utilities Figure 2-1 XPDR Control Display System Mode Active XPDR Ident Messages Standby XPDR 1 1200 Ground XPDR 2 Symbols Appendix Altitude Reporting Index Figure 2-2 XPDR Functional Diagram 190-01004-03 Rev. K Garmin GTN 625/635/650 Pilot’s Guide...
Page 54: Select Transponder
1. Touch the IDENT key once to reply with an identifying squawk Music code. Utilities 2. The IDENT key will show a green “ID” in the bottom right corner of the key to indicate active Ident. System Messages Symbols Appendix Index Garmin GTN 625/635/650 Pilot’s Guide 190-01004-03 Rev. K...
Page 55: Transponder Mode
1. Touch the Mode key and select Standby and then touch the Enter key to place the transponder into Standby mode. System Messages Symbols Active XPDR and IDENT Disabled Mode Key. Transponder Appendix Operation "Standby" Mode. Figure 2-7 Transponder Mode "Standby" Indication Index 190-01004-03 Rev. K Garmin GTN 625/635/650 Pilot’s Guide...
Page 56: Ground
Active XPDR and IDENT Enabled System Transponder Operation "ON" Mode Messages Figure 2-9 Transponder Mode "ON" Indication Symbols 2. The transponder is "On" and will transmit its squawk code when interrogated. Appendix Index Garmin GTN 625/635/650 Pilot’s Guide 190-01004-03 Rev. K...
Page 57: Altitude Reporting
Touch the VFR key to set the VFR squawk code (1200). Terrain VFR (1200) Transponder Squawk Code Weather Figure 2-11 Transponder VFR Squawk Code Nearest Services/ Music Utilities System Messages Symbols Appendix Index 190-01004-03 Rev. K Garmin GTN 625/635/650 Pilot’s Guide...
Page 58: Selecting A Squawk Code
Enter Key System Figure 2-12 XPDR Squawk Code Selection Display Messages 5. The selected Squawk Code will be shown in the XPDR window on the right side of the display. Symbols Appendix Index Garmin GTN 625/635/650 Pilot’s Guide 190-01004-03 Rev. K...
Page 59: Gdl 88 Ads-B Reporting
Touch To View ADS-B Utilities Control Panel Current Flight ID System Figure 2-13 ADS-B Control Panel Messages 2. Touch the ADS-B window again to return to the previous Symbols display. Appendix Index 190-01004-03 Rev. K Garmin GTN 625/635/650 Pilot’s Guide...
Page 60 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 Garmin GTN 625/635/650 Pilot’s Guide 190-01004-03 Rev. K...
Page 61: Extended Squitter Transmission
Outer Marker 750 ms The marker beacon alternates between the standard icon and the blink icon at Messages the blink interval corresponding to the current beacon. Table 2-2 Marker Beacons Symbols Appendix Index 190-01004-03 Rev. K Garmin GTN 625/635/650 Pilot’s Guide...
Page 62 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 2-10 Garmin GTN 625/635/650 Pilot’s Guide 190-01004-03 Rev. K...
Page 63: Nav/Com
Find Xfer Monitor Keypad Nearest Recent Services/ Nearest - Filter - Com - Nav Music Airport Utilities System Flight Plan Airport User Messages ARTCC Symbols Figure 3-2 Nav/Com Functional Diagram Appendix Index 190-01004-03 Rev. K Garmin GTN 625/635/650 Pilot’s Guide...
Page 64: Volume
Appendix While receiving a transmission, an “RX” indication appears in the Com frequency window to the immediate right of “Com.” A “TX” indication appears Index at this location while you are transmitting. Garmin GTN 625/635/650 Pilot’s Guide 190-01004-03 Rev. K...
Page 65: Com And Nav Frequency Window And Tuning
To select a Com or Nav frequency using the numeric keypad: Services/ 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. K Garmin GTN 625/635/650 Pilot’s Guide...
Page 66 Active frequency window. System Messages To make the standby frequency the active frequency: 1. Touch the active frequency (top) window. Symbols Appendix 2. The Active (top) and Standby frequencies will flip/flop. Index Garmin GTN 625/635/650 Pilot’s Guide 190-01004-03 Rev. K...
Page 67: Com And Nav Frequency Finding
From Recent List To Select Standby Messages Frequency Symbols Figure 3-8 Recent Com Frequency List Appendix 2. Touch the desired frequency to select it and place it into the Standby window. Index 190-01004-03 Rev. K Garmin GTN 625/635/650 Pilot’s Guide...
Page 68: Find Nearest Frequencies
Services/ Music Utilities System Figure 3-11 Nearest Com Frequency List Messages 4. Touch the desired Frequency List. Then, touch the desired Symbols frequency to load it into the Standby window. Appendix Index Garmin GTN 625/635/650 Pilot’s Guide 190-01004-03 Rev. K...
Page 69: Find Flight Plan Frequencies
Messages 2. Touch the Multiple FREQ key to show the available frequencies, if present. Symbols 3. Touch the desired frequency to select it and place it into the Appendix Standby window. Index 190-01004-03 Rev. K Garmin GTN 625/635/650 Pilot’s Guide...
Page 70: Find User Frequencies
3. Touch the 2 key. Nearest Services/ Music Figure 3-17 Final Frequency Without Trailing Number 4. Touch Enter. Utilities System Entered Frequency Value Messages Figure 3-18 Completed Frequency Entry Symbols Appendix Index Garmin GTN 625/635/650 Pilot’s Guide 190-01004-03 Rev. K...
Page 71: 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. K Garmin GTN 625/635/650 Pilot’s Guide...
Page 72 The list can store up to 15 user frequencies. Music User Frequency Name User Frequency Value Utilities System Touch To Edit User Name and/or Messages Frequency Value Symbols Figure 3-23 Completed New User Frequency Appendix Index 3-10 Garmin GTN 625/635/650 Pilot’s Guide 190-01004-03 Rev. K...
Page 73: Emergency Frequency
NOTE: Under some circumstances if the Com system loses communication System with the main system, the radio will automatically tune to 121.50 MHz for transmit and receive regardless of the displayed frequency. Messages Symbols Appendix Index 3-11 190-01004-03 Rev. K Garmin GTN 625/635/650 Pilot’s Guide...
Page 74: 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 Garmin GTN 625/635/650 Pilot’s Guide 190-01004-03 Rev. K...
Page 75: 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. K Garmin GTN 625/635/650 Pilot’s Guide...
Page 76: Nav (Vor/Localizer/Glideslope) Receiver Operations
Figure 3-28 Nav Standby Frequency Window is Active Nav audio volume is adjusted using the Volume knob. Turn the Volume System knob clockwise to increase volume, or counterclockwise to decrease volume. Messages Symbols Appendix Index 3-14 Garmin GTN 625/635/650 Pilot’s Guide 190-01004-03 Rev. K...
Page 77: Nav Tuning Window
Automatically Decode Morse Nav Frequencies In The Database Code And Display The Ident Symbols Will Display The Ident Based on GPS Position Appendix Figure 3-29 Automatic Nav Frequency Ident Decoding Index 3-15 190-01004-03 Rev. K Garmin GTN 625/635/650 Pilot’s Guide...
Page 78: Nav Frequency Finding
Standby Nav Services/ Nearest Nav Music Frequency Frequency List Touch Up/Down Utilities Keys OR Drag Slider To Scroll Frequency List System Figure 3-31 Nearest Airport Nav Frequency List Messages Symbols Appendix Index 3-16 Garmin GTN 625/635/650 Pilot’s Guide 190-01004-03 Rev. K...
Page 79 Airport and VOR, and then select a given frequency. 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. K Garmin GTN 625/635/650 Pilot’s Guide...
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Page 81: Flight Plans
Nearest Figure 4-1 Flight Plan Functional Diagram Services/ Music Utilities NOTE: Navigation is provided for fixed wing aircraft above 30 kts and for rotorcraft above 10 kts. System Messages Symbols Appendix Index 190-01004-03 Rev. K Garmin GTN 625/635/650 Pilot’s Guide...
Page 82: 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 Garmin GTN 625/635/650 Pilot’s Guide 190-01004-03 Rev. K...
Page 83 Catalog. The screen will now display the Flight Plan Catalog and show the new flight plan. Flight plans are listed Messages by the Departure and Destination waypoints. Symbols Appendix Index 190-01004-03 Rev. K Garmin GTN 625/635/650 Pilot’s Guide...
Page 84: Active Flight Plan Page
Select Option Symbols Figure 4-8 Active Flight Plan Wpt Options Appendix 2. Touch one of the options to perform the selected action. Cancel the option selection by touching the Back key. Index Garmin GTN 625/635/650 Pilot’s Guide 190-01004-03 Rev. K...
Page 85: Activate Leg
Cancel The Operation Touch OK To And Return To the Activate Leg Flight 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. K Garmin GTN 625/635/650 Pilot’s Guide...
Page 86: Insert Before
The new flight plan will be shown. Utilities System Waypoint Inserted Before The Messages Selected Flight Plan Waypoint Symbols Figure 4-13 New Waypoint Is Inserted Before the Selected Waypoint Appendix Index Garmin GTN 625/635/650 Pilot’s Guide 190-01004-03 Rev. K...
Page 87: Insert After
Music 2. On the Waypoint Options menu, touch the Remove key and Utilities then the OK key to delete the selected waypoint from the active flight plan. System Messages Symbols Appendix Index 190-01004-03 Rev. K Garmin GTN 625/635/650 Pilot’s Guide...
Page 88: Load Procedures
The 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 4-16 Procedure Flight Plan Leg Position Difference System Messages Symbols Appendix Index Garmin GTN 625/635/650 Pilot’s Guide 190-01004-03 Rev. K...
Page 89: Waypoint Info
The Waypoint Options list will then be displayed. Utilities System Touch VOR Entry Wpt To Messages Insert Airway Symbols Figure 4-18 Active Flight Plan with VOR Entry Wpt Appendix Index 190-01004-03 Rev. K Garmin GTN 625/635/650 Pilot’s Guide...
Page 90 4. Scroll through the list and touch the desired exit point from Terrain the airway. Weather Nearest Touch To Select Exit Waypoint Services/ Music Utilities Figure 4-21 Select an Exit Waypoint for the Airway System Messages Symbols Appendix Index 4-10 Garmin GTN 625/635/650 Pilot’s Guide 190-01004-03 Rev. K...
Page 91 Touch the airway to make any changes. Services/ Music Entry Waypoint Utilities Selected Airway. Touch To Edit. System Selected Airway Waypoints Messages Figure 4-24 Airway Waypoints in the Flight Plan Symbols Appendix Index 4-11 190-01004-03 Rev. K Garmin GTN 625/635/650 Pilot’s Guide...
Page 92: Load Hold At Waypoint
For Selected Wpt Nearest Hold AT Option Will Hold Wpt Option At Selected Wpt Selected Services/ Music Utilities Figure 4-26 Active Flight Plan with Hold At Waypoint Option System Messages Symbols Appendix Index 4-12 Garmin GTN 625/635/650 Pilot’s Guide 190-01004-03 Rev. K...
Page 93: Removing A Hold
2. Touch the Remove key. Symbols 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 4-13 190-01004-03 Rev. K Garmin GTN 625/635/650 Pilot’s Guide...
Page 94: Load Search And Rescue Pattern (Optional)
The available patterns can be configured by the installer Symbols 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 4-14 Garmin GTN 625/635/650 Pilot’s Guide 190-01004-03 Rev. K...
Page 95 SAR pattern. Touch the Collapse Search Pattern key again to toggle the display of SAR pattern detail Utilities back on. System Messages SAR Pattern Collapsed Symbols Appendix Figure 4-31 SAR Pattern Collapsed in Flight Plan Index 4-15 190-01004-03 Rev. K Garmin GTN 625/635/650 Pilot’s Guide...
Page 96: Creating A Parallel Track Pattern
3. Touch the INIT Turn key to select between Left or Right as the initial turn direction. Appendix 4. Touch the Leg Length key to open the keypad. Use the keypad Index and Enter to select the length of the parallel track legs. 4-16 Garmin GTN 625/635/650 Pilot’s Guide 190-01004-03 Rev. K...
Page 97: Creating A Sector Search Pattern
Touch To Load Selected Pattern Go Direct-To The First Messages To The Active Flight Plan Wpt In The Pattern Figure 4-34 Search and Rescue Sector Search Pattern Page Symbols Appendix Index 4-17 190-01004-03 Rev. K Garmin GTN 625/635/650 Pilot’s Guide...
Page 98: Creating An Expanding Square Pattern
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 4-18 Garmin GTN 625/635/650 Pilot’s Guide 190-01004-03 Rev. K...
Page 99 7. Touch the Load Pattern key to load selected pattern to the Symbols active flight plan. 8. Or, touch the Load PTRN & Activate key to load selected Appendix pattern to the active flight plan and go direct-to the initial waypoint. Index 4-19 190-01004-03 Rev. K Garmin GTN 625/635/650 Pilot’s Guide...
Page 100: Creating An Orbit Pattern
Symbols 6. Or touch the Load PTRN & Activate key to load selected Appendix pattern to the active flight plan and go direct-to the first waypoint in the pattern. Index 4-20 Garmin GTN 625/635/650 Pilot’s Guide 190-01004-03 Rev. K...
Page 101: Flight Plan Menu
Column 1 Options System Offset Column 2 Activate Activate Column 3 Messages Invert & Activate Restore Preview Defaults Edit Symbols Copy Delete Appendix Figure 4-41 Flight Plan Menu Functional Diagram Index 4-21 190-01004-03 Rev. K Garmin GTN 625/635/650 Pilot’s Guide...
Page 102: Store Flight Plan
1. While viewing the Active Flight Plan page, touch the Menu Symbols key. The Flight Plan Menu will be displayed. 2. Touch the Invert key to invert the current Active Flight Plan. Appendix Index 4-22 Garmin GTN 625/635/650 Pilot’s Guide 190-01004-03 Rev. K...
Page 103: Parallel Track
Wpt Info Traffic Terrain Weather Nearest Services/ Music Utilities System Figure 4-43 Parallel Track Description Messages NOTE: Parallel track will be cancelled when graphically editing a flight plan. Symbols Appendix Index 4-23 190-01004-03 Rev. K Garmin GTN 625/635/650 Pilot’s Guide...
Page 104 Figure 4-45 Parallel Track Shown in the Active Flight Plan Page Symbols 5. To deactivate Parallel Track, while viewing the Active Flight Appendix Plan touch the Menu key. With the Flight Plan Menu displayed, touch the Deactivate PTK key. Index 4-24 Garmin GTN 625/635/650 Pilot’s Guide 190-01004-03 Rev. K...
Page 105: Edit Data Fields
Figure 4-47 Flight Plan Edit Data Fields Page System 2. Touch one of the field keys to select from the list. Messages Symbols Selected Field Type Appendix Index Figure 4-48 Flight Plan Data Fields List 4-25 190-01004-03 Rev. K Garmin GTN 625/635/650 Pilot’s Guide...
Page 106: Flight Plan Catalog Route Options
Selected Messages Flight Plan Symbols Figure 4-50 Flight Plan Catalog Route Options Appendix 3. Touch the Route Option key for the desired option to act on Index the selected flight plan. 4-26 Garmin GTN 625/635/650 Pilot’s Guide 190-01004-03 Rev. K...
Page 107: Catalog Route Option - Activate
Nearest Services/ Music Utilities System Figure 4-52 Touch OK to Invert and Activate the Selected Flight Plan 3. The Active Flight Plan page will now be displayed. Messages Symbols Appendix Index 4-27 190-01004-03 Rev. K Garmin GTN 625/635/650 Pilot’s Guide...
Page 108 Utilities Flight Plan System Figure 4-54 Use Waypoint Options to Edit the Selected Flight Plan Messages 3. Touch the Back key to return to the Flight Plan Catalog. Symbols Appendix Index 4-28 Garmin GTN 625/635/650 Pilot’s Guide 190-01004-03 Rev. K...
Page 109 Duplicate Copy Of Selected Flight Plan Nearest Services/ Figure 4-56 Copied Flight Plan Music 4. Touch the Back key to return to the Active Flight Plan. Utilities System Messages Symbols Appendix Index 4-29 190-01004-03 Rev. K Garmin GTN 625/635/650 Pilot’s Guide...
Page 110 1. While viewing the Flight Plan page, touch the Menu key, and then the View Catalog key. The list of currently stored flight Messages plans will be displayed. Symbols Appendix Index 4-30 Garmin GTN 625/635/650 Pilot’s Guide 190-01004-03 Rev. K...
Page 111: Delete Active Flight Plan
Figure 4-61 Delete a Flight Plan from the Active Flight Plan Messages 2. Touch OK to clear the waypoints from the Active Flight Plan. Symbols The flight plan will not be removed from the Catalog. Appendix Index 4-31 190-01004-03 Rev. K Garmin GTN 625/635/650 Pilot’s Guide...
Page 112: Previewing The Active Flight Plan
4. Touch the Back key to return to the Flight Plan Catalog. Messages Symbols Graphically Editing a Flight Plan Appendix The Active Flight Plan may be edited graphically on the Map page. See Section 8.3.3 for details. Index 4-32 Garmin GTN 625/635/650 Pilot’s Guide 190-01004-03 Rev. K...
Page 113: Operation
Getting plans can be wirelessly imported into the GTN from supported Apps (i.e. Started Garmin Pilot). The imported flight plans can then be activated or stored to the Audio & flight plan catalog once they are previewed by the pilot.
Page 114 Figure 4-67 Flight Plan Import Error Messages If an imported flight plan contains any errors, pop-up messages will be Appendix displayed alerting the pilot of the issues and the resulting changes to the flight plan. Index 4-34 Garmin GTN 625/635/650 Pilot’s Guide 190-01004-03 Rev. K...
Page 115 Weather Figure 4-69 Pop-Up Message Reporting Unknown Waypoints Nearest Services/ Music Utilities System Figure 4-70 Pop-Up Message Reporting Unknown Procedure Messages Symbols Appendix Index Figure 4-71 Pop-Up Message Reporting Unknown Airway 4-35 190-01004-03 Rev. K Garmin GTN 625/635/650 Pilot’s Guide...
Page 116: Import Flight Plans With An Sd Card
Services/ Music on the SD card. Utilities Touch To Import Flight Plan From SD Card System Messages Figure 4-73 Flight Plan To Import From SD Card Symbols Appendix Index 4-36 Garmin GTN 625/635/650 Pilot’s Guide 190-01004-03 Rev. K...
Page 117 Save Flight Plan Flight Plan The Traffic To The Catalog Active Route Figure 4-75 Route Options For SD Card Flight Plan Import Terrain Weather Nearest Services/ Music Utilities System Messages Symbols Appendix Index 4-37 190-01004-03 Rev. K Garmin GTN 625/635/650 Pilot’s Guide...
Page 118 The pilot should be aware Utilities that waypoints are missing from the end of the flight plan. System Messages Symbols Appendix Figure 4-78 Flight Plan Import Issue - Flight Plan Too Long Index 4-38 Garmin GTN 625/635/650 Pilot’s Guide 190-01004-03 Rev. K...
Page 119 Figure 4-80 Flight Plan Import Issue - Unknown Procedure Removed From Flight Plan Nearest Services/ Music Utilities System Figure 4-81 Flight Plan Import Issue - Unknown Airway Removed From Flight Plan Messages Symbols Appendix Index 4-39 190-01004-03 Rev. K Garmin GTN 625/635/650 Pilot’s Guide...
Page 120 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 4-40 Garmin GTN 625/635/650 Pilot’s Guide 190-01004-03 Rev. K...
Page 121: Direct-To Navigation
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. K Garmin GTN 625/635/650 Pilot’s Guide...
Page 122: The Enter Key
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 Garmin GTN 625/635/650 Pilot’s Guide 190-01004-03 Rev. K...
Page 123 4. Touch the Activate key or press the small right knob to Services/ activate the selection. Music Utilities 5. The Map page will now be displayed with the new Direct-To System course. Messages Symbols Appendix Index 190-01004-03 Rev. K Garmin GTN 625/635/650 Pilot’s Guide...
Page 124: Direct-To A Nearest Airport
4. Touch the Activate key or press the small right knob to activate the selection. System Messages 5. The Map page will now be displayed with the new Direct-To Symbols course. Appendix Index Garmin GTN 625/635/650 Pilot’s Guide 190-01004-03 Rev. K...
Page 125 Figure 5-8 Remove the Direct-To Course 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. K Garmin GTN 625/635/650 Pilot’s Guide...
Page 126: Direct-To Map Waypoint
Figure 5-9 Touch the Map to Create a MAPWPT as the Direct-To Course Destination 3. Touch the Activate key or press the small right knob to Weather activate the selection. Nearest Services/ Music Utilities System Messages Symbols Appendix Index Garmin GTN 625/635/650 Pilot’s Guide 190-01004-03 Rev. K...
Page 127: Graphically Editing A Direct-To Route
Direct-To routes may be edited graphically on the Map page the same as a regular flight plan. See Section 8.3.3 for details. Traffic Terrain Weather Nearest Services/ Music Utilities System Messages Symbols Appendix Index 190-01004-03 Rev. K Garmin GTN 625/635/650 Pilot’s Guide...
Page 128 Appendix 7. Touch the Leg Time or Leg Distance key to display the keypad. Use the keypad and the Enter key to select the length Index of the leg. Garmin GTN 625/635/650 Pilot’s Guide 190-01004-03 Rev. K...
Page 129: Direct-To A Search And Rescue Pattern
Touch To Load Selected SAR Pattern To Direct-To Messages Figure 5-14 Create SAR Pattern at Direct-To Waypoint 2. Touch the SAR key. The Direct-To Search and Rescue Patterns Symbols page is displayed. Appendix Index 190-01004-03 Rev. K Garmin GTN 625/635/650 Pilot’s Guide...
Page 130 SAR Pattern Selected SAR Pattern Type Appendix Figure 5-17 Direct-To Page with SAR Pattern Selected 6. Touch the SAR Activate key or press the small right knob Index to activate the selection. 5-10 Garmin GTN 625/635/650 Pilot’s Guide 190-01004-03 Rev. K...
Page 131 If no baro- corrected altitude data is provided to the GTN unit, altitude leg types must be manually sequenced. Traffic Terrain Weather Nearest Services/ Music Utilities System Messages Symbols Appendix Index 190-01004-03 Rev. K Garmin GTN 625/635/650 Pilot’s Guide...
Page 132 En Route waypoints in the flight plan and Arrival waypoints Nearest are inserted between the En Route waypoints and the approach waypoints. Always verify that the transition waypoints between each phase are correct. Services/ Music Utilities System Messages Symbols Appendix Index Garmin GTN 625/635/650 Pilot’s Guide 190-01004-03 Rev. K...
Page 133 Final Approach (lower window) Appendix Waypoint height by approximately 50 meters. This annunciation will not be active when TAWS is operational. Index Table 6-1 Phase of Flight Annunciations 190-01004-03 Rev. K Garmin GTN 625/635/650 Pilot’s Guide...
Page 134 Figure 6-3 Selecting a Departure Transition System 4. Touch the key for the desired Runway, if necessary. Messages Touch To Select Desired Departure Symbols Runway Appendix Index Figure 6-4 Selecting a Departure Runway Garmin GTN 625/635/650 Pilot’s Guide 190-01004-03 Rev. K...
Page 135 Figure 6-7 Flight Plan View of the Selected Departure Messages 8. Remove a departure or select a new one by touching the Departure key and selecting the desired choice. Symbols Appendix Index 190-01004-03 Rev. K Garmin GTN 625/635/650 Pilot’s Guide...
Page 136 Figure 6-9 Arrival Page 3. Touch the desired Arrival from the Arrival list for the selected System airport. Messages Symbols Appendix Touch To Select Arrival Index Figure 6-10 Select from Arrival List Garmin GTN 625/635/650 Pilot’s Guide 190-01004-03 Rev. K...
Page 137 Figure 6-13 Arrival Map Preview and Sequence List Symbols 7. Touch the Load Arrival key to insert the arrival into the flight Appendix plan. The Active Flight Plan page will be displayed. Index 190-01004-03 Rev. K Garmin GTN 625/635/650 Pilot’s Guide...
Page 138: Selecting An Approach
Airport key and select Music the desired airport. Utilities Touch To Select Airport System Touch To Select Approach Messages Touch To Select Channel ID Symbols Appendix Figure 6-16 Selecting an Approach Index Garmin GTN 625/635/650 Pilot’s Guide 190-01004-03 Rev. K...
Page 139 6. If desired, touch the Channel/ID key, then use the numeric Appendix keypad to select the channel number, and then touch the Enter key. The Channel and ID are typically loaded automatically if Index they are present. 190-01004-03 Rev. K Garmin GTN 625/635/650 Pilot’s Guide...
Page 140 Appendix course. You can also "activate" the selected procedure on the Procedures page, if the approach is not activated on this page. Index 6-10 Garmin GTN 625/635/650 Pilot’s Guide 190-01004-03 Rev. K...
Page 141: Flying The Missed Approach
Music method (this is typical an EFIS system). Utilities 1. When the MAP is reached, a pop-up will appear. System Messages Symbols Appendix Figure 6-21 Pop-Up Upon Reaching the MAP Index 6-11 190-01004-03 Rev. K Garmin GTN 625/635/650 Pilot’s Guide...
Page 142 (The holding pattern is displayed on the Map Page and indicated as the active leg on the Default NAV and Active Index Flight Plan pages.) 6-12 Garmin GTN 625/635/650 Pilot’s Guide 190-01004-03 Rev. K...
Page 143: Flying A Dme Arc Approach
Wpt Info Traffic Terrain Weather Nearest Services/ Music Utilities System Messages Figure 6-24 DME Arc Example Symbols Appendix Index 6-13 190-01004-03 Rev. K Garmin GTN 625/635/650 Pilot’s Guide...
Page 144: Vectors To Final
NOTE: In software version 6.00 and later, all waypoints along the final approach course, including waypoints before the FAF, are included in the flight System plan and the final approach course to the FAF is activated. Messages Symbols Appendix Index 6-14 Garmin GTN 625/635/650 Pilot’s Guide 190-01004-03 Rev. K...
Page 145 GPS or VLOC. Services/ Music Within the area of the shaded box, the automatic switch from GPS to VLOC should Utilities occur. System Messages Symbols Appendix Index 6-15 190-01004-03 Rev. K Garmin GTN 625/635/650 Pilot’s Guide...
Page 146 6.00 and later. Appendix This advisory guidance follows the same nature as set by the LNAV +V as shown above. Index Table 6-2 RNAV Approach Annunciations 6-16 Garmin GTN 625/635/650 Pilot’s Guide 190-01004-03 Rev. K...
Page 147: Flying The Lpv Approach
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 6-17 190-01004-03 Rev. K Garmin GTN 625/635/650 Pilot’s Guide...
Page 148: 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. 6-18 Garmin GTN 625/635/650 Pilot’s Guide 190-01004-03 Rev. K...
Page 149 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 6-19 190-01004-03 Rev. K Garmin GTN 625/635/650 Pilot’s Guide...
Page 150 (HDG) mode of the autopilot and set the heading bug appropriately in order to Index use the autopilot on these legs. 6-20 Garmin GTN 625/635/650 Pilot’s Guide 190-01004-03 Rev. K...
Page 151 ILS or VLOC frequency in the active frequency field. Symbols • When flying a localizer-based approach (other than backcourse) with automatic CDI switching enabled: Appendix Index 6-21 190-01004-03 Rev. K Garmin GTN 625/635/650 Pilot’s Guide...
Page 152 LPV or other vertically guided GPS approach). Weather Touch To Activate Nearest Autopilot Outputs Prompt To Activate Services/ Music Autopilot Outputs Utilities Figure 6-25 Prompt To Activate Autopilot Outputs System Messages Symbols Appendix Index 6-22 Garmin GTN 625/635/650 Pilot’s Guide 190-01004-03 Rev. K...
Page 153 Nearest page. Xpdr Ctrl Com/Nav Touch The Key To Display Direct-To Waypoint Type Proc Wpt Info Figure 7-1 Waypoint Info Page Traffic Terrain Weather Nearest Services/ Music Utilities System Messages Symbols Appendix Index 190-01004-03 Rev. K Garmin GTN 625/635/650 Pilot’s Guide...
Page 154 Foreword Getting Started Audio & Xpdr Ctrl Com/Nav Direct-To Proc Wpt Info Traffic Terrain Weather Nearest Services/ Music Utilities System Figure 7-2 Waypoint Info Functional Diagram Messages Symbols Appendix Index Garmin GTN 625/635/650 Pilot’s Guide 190-01004-03 Rev. K...
Page 155 4. The selected waypoint will be the selected Airport Identifier. Bearing and Weather Selected Airport Distance To Identifier Selected Wpt From Present Nearest Position Services/ Music Utilities Figure 7-4 Waypoint Ident Selection Result System Messages Symbols Appendix Index 190-01004-03 Rev. K Garmin GTN 625/635/650 Pilot’s Guide...
Page 156 2. Touch the Info key to display available information for the airport. Wpt Info Airport Identifier, City, & Type Traffic Airport Airport Information Terrain Lat/Lon Figure 7-5 Waypoint Info Airport Page Weather Nearest Services/ Music Utilities System Messages Symbols Appendix Index Garmin GTN 625/635/650 Pilot’s Guide 190-01004-03 Rev. K...
Page 157: Notam Pages
NOTAMS available for the selected airport. Weather Nearest Services/ Music Utilities Figure 7-7 Waypoint Info Airport NOTAMs Page 2. Touch the Up and Down keys to view additional information, System as needed. Messages Symbols Appendix Index 190-01004-03 Rev. K Garmin GTN 625/635/650 Pilot’s Guide...
Page 158 Touch To Cancel Weather Approach Selection Nearest Touch To Preview Touch To Load Touch To Activate Approach Approach Approach Services/ Music Figure 7-9 Waypoint Info Airport Arrival Information Utilities System Messages Symbols Appendix Index Garmin GTN 625/635/650 Pilot’s Guide 190-01004-03 Rev. K...
Page 159 Weather Nearest Services/ Music Utilities System Figure 7-11 Waypoint Info Airport Runway Selection 3. Touch the PCL key to load the PCL frequency into the Com Messages Standby location. Symbols Appendix Index 190-01004-03 Rev. K Garmin GTN 625/635/650 Pilot’s Guide...
Page 160 Services/ Music Touch Frequency Key To Load Into Utilities Com Standby Additional Frequency System Information Messages Symbols Figure 7-13 Waypoint Info Airport Frequency More Information Appendix Index Garmin GTN 625/635/650 Pilot’s Guide 190-01004-03 Rev. K...
Page 161: Page Information
Helipad information may not be complete or consistent due to the data available from the 3rd party sources. Terrain Weather Nearest Helipad Information Services/ Music Utilities Figure 7-15 Helipad Waypoint Info System Messages Symbols Appendix Index 190-01004-03 Rev. K Garmin GTN 625/635/650 Pilot’s Guide...
Page 162 You may touch the map window and while lightly pressing the display, drag your finger to move the System map view. Messages Symbols Appendix Index 7-10 Garmin GTN 625/635/650 Pilot’s Guide 190-01004-03 Rev. K...
Page 163 Messages 3. Touch the Frequency key next to load it as the Nav standby frequency. Symbols Appendix Index 7-11 190-01004-03 Rev. K Garmin GTN 625/635/650 Pilot’s Guide...
Page 164 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 7-12 Garmin GTN 625/635/650 Pilot’s Guide 190-01004-03 Rev. K...
Page 165 Enter key. You may also search through the list by touching the Messages View All key and then choosing from the existing list of User waypoints by touching the desired waypoint from the list. Symbols Appendix Index 7-13 190-01004-03 Rev. K Garmin GTN 625/635/650 Pilot’s Guide...
Page 166 Delete User Waypoint Utilities 1. Select the desired User Waypoint and touch the Delete key. 2. Touch the OK key to confirm deleting the selected waypoint. System Messages Symbols Appendix Index 7-14 Garmin GTN 625/635/650 Pilot’s Guide 190-01004-03 Rev. K...
Page 167: Create Waypoint
5. To u c h t h e Po s i t i o n ke y a n d t h e n L a t / L o n , Messages Radial/Radial, or Radial/Distance to assign the type. See the following instructions for more detail. Symbols Appendix Index 7-15 190-01004-03 Rev. K Garmin GTN 625/635/650 Pilot’s Guide...
Page 168 System Longitude value key. Messages Touch to Select Lat/Lon Waypoint Reference Type Symbols Touch to Select Appendix Lat/Lon Values Index Figure 7-24 Waypoint Info - Create User Waypoint Type - Lat/Lon 7-16 Garmin GTN 625/635/650 Pilot’s Guide 190-01004-03 Rev. K...
Page 169 5. When finished with the Lat/Lon selections, touch the Enter key. Utilities 6. When finished with all selections, touch the Back and then System the Create key to create the new waypoint. Messages Symbols Appendix Index 7-17 190-01004-03 Rev. K Garmin GTN 625/635/650 Pilot’s Guide...
Page 170 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 7-18 Garmin GTN 625/635/650 Pilot’s Guide 190-01004-03 Rev. K...
Page 171: Waypoint Location Based On Radial And Distance
4. Touch the Distance key and use the numeric keypad to select the desired value. Terrain 5. Touch the Enter key. Weather 6. Touch the Create WPT key to save the new waypoint. Nearest Services/ Music Utilities System Messages Symbols Appendix Index 7-19 190-01004-03 Rev. K Garmin GTN 625/635/650 Pilot’s Guide...
Page 172 Figure 7-28 Start User Waypoint Import Weather 4. The pilot is informed of the status of the user waypoint import via one of the following system messages. Nearest Services/ Music Utilities System Messages Symbols Appendix Index 7-20 Garmin GTN 625/635/650 Pilot’s Guide 190-01004-03 Rev. K...
Page 173 0.001° latitude and longitude of an existing user waypoint (roughly a few Wpt Info hundred feet, depending on latitude). Table 7-1 User Waypoint Import Messages Traffic More detail on importing user waypoints can be found at: https://fly.garmin. Terrain com/fly-garmin/support/gtn-user-waypoint/. Weather Nearest Services/...
Page 174 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 7-22 Garmin GTN 625/635/650 Pilot’s Guide 190-01004-03 Rev. K...
Page 175 Appendix the rotorcraft is going sideways or backwards. The map will continue to orient to the current track if the map is selected Index 190-01004-03 Rev. K Garmin GTN 625/635/650 Pilot’s Guide...
Page 176 • Map Setup modifies the display of other map features. Appendix • Map User Fields determines whether or not the fields in the corners of the Index Map page are displayed and the data shown in each corner. Garmin GTN 625/635/650 Pilot’s Guide 190-01004-03 Rev. K...
Page 177: Map Overlays
Map overlay keys may remain available even if the information necessary for the overlay is not available. For example: Appendix the Radar overlay key is available even if the radar is turned off. Index 190-01004-03 Rev. K Garmin GTN 625/635/650 Pilot’s Guide...
Page 178 Topo Map Overlay Off Topo Map Overlay On Symbols Figure 8-4 Topo Map Overlay Selections Appendix 2. When the Topo Map Overlay is toggled off, all topographic color features are removed. Index Garmin GTN 625/635/650 Pilot’s Guide 190-01004-03 Rev. K...
Page 179 Symbols Icon Shows Terrain Overlay Is Active Appendix Figure 8-6 Map Menu Terrain Map Overlay On Selection Index 2. The colors of the terrain are referenced to your aircraft altitude. 190-01004-03 Rev. K Garmin GTN 625/635/650 Pilot’s Guide...
Page 180 (Cell, Strike, Off, or Clear Strikes). Touch the desired function. Messages 2. StormScope data will be overlayed on the Map page. See the Symbols Weather section for more details. Appendix Index Garmin GTN 625/635/650 Pilot’s Guide 190-01004-03 Rev. K...
Page 181 Ground Stations When A Weather GDL 88 Is Connected (GTN software version 5.11 Nearest or earlier) Figure 8-9 Map Menu Traffic Map Overlay On Selection Services/ Music Utilities System Messages Symbols Appendix Index 190-01004-03 Rev. K Garmin GTN 625/635/650 Pilot’s Guide...
Page 182 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 Garmin GTN 625/635/650 Pilot’s Guide 190-01004-03 Rev. K...
Page 183 4. Touch the key for the selected option. Nearest 5. Touch the Restore Defaults key to return to the original Services/ default values for the selected option. Music Utilities System Messages Symbols Appendix Index 190-01004-03 Rev. K Garmin GTN 625/635/650 Pilot’s Guide...
Page 184 Off, 1 NM, 1.5 NM, 2.5 NM Wire Obstacle Range Music Restore Defaults Returns values to original factory settings Utilities Table 8-1 Map Setup Map Options System Messages Symbols Appendix Index 8-10 Garmin GTN 625/635/650 Pilot’s Guide 190-01004-03 Rev. K...
Page 185: Map Orientation
Zoom out. Auto Zoom is re-enabled once one of the following conditions is met: Appendix • A waypoint is sequenced • the aircraft transitions from “on ground” to “in air” Index 8-11 190-01004-03 Rev. K Garmin GTN 625/635/650 Pilot’s Guide...
Page 186 Map page. Messages Nav Range Ring Symbols Current Position Appendix Nav Range Ring Range Index Figure 8-16 Nav Range Ring 8-12 Garmin GTN 625/635/650 Pilot’s Guide 190-01004-03 Rev. K...
Page 187 Proc Total Endurance Time Wpt Info Time To Reserve Fuel Range To Reserve Fuel Traffic Figure 8-17 Fuel Range Ring Terrain Weather Nearest Services/ Music Utilities System Messages Symbols Appendix Index 8-13 190-01004-03 Rev. K Garmin GTN 625/635/650 Pilot’s Guide...
Page 188 (Height is greater than Music 1000 ft AGL) than 1000 ft AGL) than 1000 ft AGL) 1000 ft AGL) Utilities System Table 8-2 Navigation Map Point Obstacle Icons by Elevation Messages Symbols Appendix Index 8-14 Garmin GTN 625/635/650 Pilot’s Guide 190-01004-03 Rev. K...
Page 189 Obstacles are grouped when they would otherwise Utilities overlap. System Messages Symbols Appendix Index 8-15 190-01004-03 Rev. K Garmin GTN 625/635/650 Pilot’s Guide...
Page 190 The icon on the left shows that the point obstacle overlay is Symbols active. The icon on the right shows that the wire obstacle overlay is active. These icons are available in software version 5.12 or Appendix later. Index 8-16 Garmin GTN 625/635/650 Pilot’s Guide 190-01004-03 Rev. K...
Page 191 Proc Figure 8-22 Point Obstacle Detail Touch the Back key to return to the normal map view. Wpt Info Traffic Terrain Weather Nearest Services/ Music Utilities System Messages Symbols Appendix Index 8-17 190-01004-03 Rev. K Garmin GTN 625/635/650 Pilot’s Guide...
Page 192: Restore Defaults
Wire Direct-To Obstacle Proc Figure 8-23 Wire Obstacles Wpt Info Restore Defaults Returns values to the original factory settings. Traffic Terrain Weather Nearest Services/ Music Utilities System Messages Symbols Appendix Index 8-18 Garmin GTN 625/635/650 Pilot’s Guide 190-01004-03 Rev. K...
Page 193: Airway Range
Table 8-6 Map Setup Aviation Options Messages NOTE: The term “intersection range” means any GPS waypoint included in the navigation database, and includes waypoints that may not be Symbols intersections of two VOR radials. Appendix Index 8-19 190-01004-03 Rev. K Garmin GTN 625/635/650 Pilot’s Guide...
Page 194 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 8-8 Map Setup Land Options Index 8-20 Garmin GTN 625/635/650 Pilot’s Guide 190-01004-03 Rev. K...
Page 195 NOTE: This feature is available in software version 5.13 and later when configured by the installer. System Messages Airspace Labels - On Symbols Appendix Airspace Labels - On Index Figure 8-24 Display of Airspace Labels 8-21 190-01004-03 Rev. K Garmin GTN 625/635/650 Pilot’s Guide...
Page 196 Smart Airspaces: Foreword Garmin’ s Smart Airspace™ feature aids visual clarity on-screen by de- Getting emphasizing airspace that’ s well above or below the aircraft’ s current altitude. Started The vertical separation is 1,000 feet at sea level and the vertical separation will Audio &...
Page 197 4. Touch the Airways key to select the desired Airways (Off, Low, High, or All). System Messages Low Airway (Grey) Symbols High Airway (Green) Appendix Figure 8-29 Navigation Map Airways Index 8-23 190-01004-03 Rev. K Garmin GTN 625/635/650 Pilot’s Guide...
Page 198: Weather (Optional)
NOTE: Map overlay keys may remain available even if the information Appendix necessary for the overlay is not available. For example: the Radar overlay key is available even if the radar is turned off. Index 8-24 Garmin GTN 625/635/650 Pilot’s Guide 190-01004-03 Rev. K...
Page 199 Change User Terrain Fields is selected. Weather 1. While viewing the Map page, touch the Menu key. Nearest Services/ Music Utilities System Figure 8-30 Map Menu Messages Symbols Appendix Index 8-25 190-01004-03 Rev. K Garmin GTN 625/635/650 Pilot’s Guide...
Page 200 4. Touch the Up or Down keys or touch the display and drag your finger to scroll through the list. Touch the desired item Appendix to select it or touch the Back key to cancel selection. Index 8-26 Garmin GTN 625/635/650 Pilot’s Guide 190-01004-03 Rev. K...
Page 201 HTAWS RP Mode - HTAWS RP Mode OFF - Do Not Display Data Field System Table 8-15 Map Function Field Types of Information Messages Note 1: With TAWS-A enabled Note 2: With HTAWS enabled Symbols Appendix Index 8-27 190-01004-03 Rev. K Garmin GTN 625/635/650 Pilot’s Guide...
Page 202: Map Detail
2. While viewing the Map Menu, touch the Map Detail scale Appendix and slide your finger to adjust the level. Features marked with Index a • are shown at the indicated Map Detail (Declutter) Level. 8-28 Garmin GTN 625/635/650 Pilot’s Guide 190-01004-03 Rev. K...
Page 203 • • • • Tower • • Airways • • • • Weather Table 8-17 Features Shown at Each Map Detail Level Nearest Services/ Music Utilities System Messages Symbols Appendix Index 8-29 190-01004-03 Rev. K Garmin GTN 625/635/650 Pilot’s Guide...
Page 204 Figure 8-35 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 airpaces. Index 8-30 Garmin GTN 625/635/650 Pilot’s Guide 190-01004-03 Rev. K...
Page 205 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 8-31 190-01004-03 Rev. K Garmin GTN 625/635/650 Pilot’s Guide...
Page 206: Map Controls
1. In Pan Mode, touch the Create Waypoint key. Nearest 2. Follow the directions in the Waypoint Info section for Creating Services/ Music User Waypoints. Utilities System Messages Symbols Figure 8-37 Create User Waypoint While Map Panning Appendix Index 8-32 Garmin GTN 625/635/650 Pilot’s Guide 190-01004-03 Rev. K...
Page 207: Flight Plan Mode
NOTE: It is not possible to graphically add an intermediate waypoint 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 Direct-To graphically editing a direct to waypoint.
Page 208 2. Touch a waypoint that you want to add to the end of the flight System plan. Messages 3. Touch the Done key to accept the changes and return to the Map page. Symbols Appendix Index 8-34 Garmin GTN 625/635/650 Pilot’s Guide 190-01004-03 Rev. K...
Page 209: Removing A Waypoint From An Existing Flight Plan
Continue adding waypoints, or airways, as needed. Utilities 4. Touch the Done key to accept the changes and return to the System Map page. Messages Symbols Appendix Index 8-35 190-01004-03 Rev. K Garmin GTN 625/635/650 Pilot’s Guide...
Page 210 Touch OBS Navigation GPS Level Source Key To Toggle Of Service Symbols Annunciation OBS Mode Figure 8-43 Navigation Source Selection Appendix 2. Touch the CDI key to toggle between sources. Index 8-36 Garmin GTN 625/635/650 Pilot’s Guide 190-01004-03 Rev. K...
Page 211 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 8-37 190-01004-03 Rev. K Garmin GTN 625/635/650 Pilot’s Guide...
Page 212 Airport with soft surface runway(s) only, Non-Serviced Unknown Airport Traffic Restricted (Private) Airfield Terrain Intersection Weather VORTAC Nearest VOR/DME Services/ Music TACAN Utilities System Messages Locator Outer Marker Heliport Symbols Table 8-18 Map Symbols Appendix Index 8-38 Garmin GTN 625/635/650 Pilot’s Guide 190-01004-03 Rev. K...
Page 213: Safetaxi ®
(AMMD). SafeTaxi and Chartview are to Symbols be used by the flight crew to orient themselves on the airport surface to improve pilot situational awareness during ground operations. Appendix Index 8-39 190-01004-03 Rev. K Garmin GTN 625/635/650 Pilot’s Guide...
Page 214: Hot Spot Information
The EXPIRES date appears in white when data is current and in yellow when expired. SafeTaxi REGION NOT AVAILABLE appears in white if Messages SafeTaxi data is not available on the database card. Symbols Appendix Index 8-40 Garmin GTN 625/635/650 Pilot’s Guide 190-01004-03 Rev. K...
Page 215 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 return if the traffic alert persists. Appendix Index 190-01004-03 Rev. K Garmin GTN 625/635/650 Pilot’s Guide...
Page 216: Traffic Test
Figure 9-2 Traffic Test Mode 2. The unit will return to normal operation mode after the test Wpt Info process is successfully completed. Traffic Terrain Weather Nearest Services/ Music Utilities System Messages Symbols Appendix Index Garmin GTN 625/635/650 Pilot’s Guide 190-01004-03 Rev. K...
Page 217: Traffic Information Service (Tis) (Optional)
Advisory System (TAS) may not both be displayed at the same time. Weather NOTE: More information is available about the GDL 88 in the "Garmin GDL 88 ADS-B Transceiver Pilot’s Guide" and the GTX 345 in the "Garmin Nearest GTX 335/345 Pilot's Guide."...
Page 218: Traffic Page
Always remember that TIS cannot alert you to the presence of aircraft that Appendix are not equipped with transponders, nor can it alert you to aircraft that may be nearby, but obscured from the ground surveillance radar by interfering terrain. Index Garmin GTN 625/635/650 Pilot’s Guide 190-01004-03 Rev. K...
Page 219 Music Ownship Range Rings Utilities Position Traffic Mode Key Altitude Filter System (Operate/Standby) Traffic Direction Proximity Advisory, 1200 ft Messages Of Travel Above and Climbing Figure 9-5 Traffic Page Symbols Appendix Index 190-01004-03 Rev. K Garmin GTN 625/635/650 Pilot’s Guide...
Page 220 Displayed Traffic Range Messages Below -9900 ft to 2700 ft Symbols Normal -2700 ft to 2700 ft Above -2700 ft to 9900 ft Appendix Unrestricted All Traffic Shown Index Table 9-2 Displayed Traffic Range Garmin GTN 625/635/650 Pilot’s Guide 190-01004-03 Rev. K...
Page 221 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 222 Nearest These are relatively rare occurrences and will be corrected in a few radar scans once the course has stabilized. Services/ Music Utilities System Messages Symbols Appendix Index Garmin GTN 625/635/650 Pilot’s Guide 190-01004-03 Rev. K...
Page 223: Tis Alerts
3000 feet upward at 55 miles. Terrain and obstacles around the radar site can further decrease radar coverage in all Utilities directions. System • Traffic does not have an operating transponder. Messages Symbols Appendix Index 190-01004-03 Rev. K Garmin GTN 625/635/650 Pilot’s Guide...
Page 224 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 225 Traffic may exist within the selected display range, but it is Proc not displayed. Table 9-5 TIS Traffic Status Annunciations Wpt Info Traffic Terrain Weather Nearest Services/ Music Utilities System Messages Symbols Appendix Index 9-11 190-01004-03 Rev. K Garmin GTN 625/635/650 Pilot’s Guide...
Page 226: Com/Nav
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 227: Tas Symbology
Table 9-6 TAS Intruder Symbol Description Terrain Relative Altitude (1200 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. K Garmin GTN 625/635/650 Pilot’s Guide...
Page 228: Displaying And Operating Traffic (Tas Systems)
4. Touch the Traffic Status key to place the system in the Standby 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 Garmin GTN 625/635/650 Pilot’s Guide 190-01004-03 Rev. K...
Page 229: Range Ring
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 230 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 Garmin GTN 625/635/650 Pilot’s Guide 190-01004-03 Rev. K...
Page 231 Proc No Data Traffic has not been detected. Wpt Info Table 9-11 TAS Traffic Status Annunciations Traffic Terrain Weather Nearest Services/ Music Utilities System Messages Symbols Appendix Index 9-17 190-01004-03 Rev. K Garmin GTN 625/635/650 Pilot’s Guide...
Page 232 Figure 9-10 ADS-B Traffic Page Messages NOTE: The “Next” key on the dedicated traffic page will cycle through Symbols all targets located in close proximity to where the pilot has touched the screen. Appendix Index 9-18 Garmin GTN 625/635/650 Pilot’s Guide 190-01004-03 Rev. K...
Page 233 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 9-19 190-01004-03 Rev. K Garmin GTN 625/635/650 Pilot’s Guide...
Page 234: Vector Duration
System 9.5.2.1 ADS-B Status Messages ADS-B Status displays the current status of traffic application: Off, Surface, or Airborne. Symbols Touch the ADS-B Status key to toggle the ADS-B Status. Appendix Index 9-20 Garmin GTN 625/635/650 Pilot’s Guide 190-01004-03 Rev. K...
Page 235: Terrain
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. 9-21 190-01004-03 Rev. K Garmin GTN 625/635/650 Pilot’s Guide...
Page 236: Terrain
Target Motion Vector System Messages Symbols Motion Target Ownship Icon Appendix Motion Target Ownship Icon Vector Vector Figure 9-16 Comparison of Absolute and Relative Motion Vectors With a Two Targets Index 9-22 Garmin GTN 625/635/650 Pilot’s Guide 190-01004-03 Rev. K...
Page 237: Weather
NORMAL, ABOVE, or UNRESTRICTED keys. The selection is displayed in the Altitude mode field. Nearest Services/ Selected Altitude Filter Music Utilities System Messages Symbols Figure 9-18 Traffic Altitude Filter Page Appendix Index 9-23 190-01004-03 Rev. K Garmin GTN 625/635/650 Pilot’s Guide...
Page 238: On Scene Mode
While the traffic display is unavailable due to these conditions, traffic alerts Symbols will be provided in a non-bearing textual form at the top of the traffic page. Appendix Index 9-24 Garmin GTN 625/635/650 Pilot’s Guide 190-01004-03 Rev. K...
Page 239: Music
System PA: Proximity Advisory. This is traffic with 500 feet of altitude separation that Messages is not a TA. TRFC: Other traffic. Symbols Appendix Index 9-25 190-01004-03 Rev. K Garmin GTN 625/635/650 Pilot’s Guide...
Page 240 BELOW, NORMAL, Services/ ABOVE, or UNRESTRICTED keys. The selection is displayed Music in the Altitude mode field. Utilities Selected Altitude Filter System Messages Symbols Appendix Figure 9-20 Traffic Altitude Filter Selection Index 9-26 Garmin GTN 625/635/650 Pilot’s Guide 190-01004-03 Rev. K...
Page 241: Traffic Audio
Operation Music Armed, or Active Select Ground Mode Utilities Figure 9-22 TCAD Control Menu System 2. Touch the desired key from the menu to make any settings. Messages Symbols Appendix Index 9-27 190-01004-03 Rev. K Garmin GTN 625/635/650 Pilot’s Guide...
Page 242: Approach Mode
TCAD. If no destination airport is present in the GTN system, the TCAD will not receive a field Index elevation and therefore not automatically enter approach mode. 9-28 Garmin GTN 625/635/650 Pilot’s Guide 190-01004-03 Rev. K...
Page 243: Ground Mode
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 9-29 190-01004-03 Rev. K Garmin GTN 625/635/650 Pilot’s Guide...
Page 244 AND within 1.0 NM) Traffic Closing Vertically Weather Traffic Diverging Vertically Nearest Services/ Traffic not Closing or Diverging Music Vertically Utilities Table 9-15 9900B TCAD Symbols System Messages Symbols Appendix Index 9-30 Garmin GTN 625/635/650 Pilot’s Guide 190-01004-03 Rev. K...
Page 245 2. Touch the arrow keys to raise or lower the TCAD Traffic Audio level. The selected volume will be shown as a percentage value Index and graphically with a bar graph. 9-31 190-01004-03 Rev. K Garmin GTN 625/635/650 Pilot’s Guide...
Page 246 TCAD. If no destination 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 9-32 Garmin GTN 625/635/650 Pilot’s Guide 190-01004-03 Rev. K...
Page 247 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 9-33 190-01004-03 Rev. K Garmin GTN 625/635/650 Pilot’s Guide...
Page 248: Tcad 9900Bx Operation
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 9-34 Garmin GTN 625/635/650 Pilot’s Guide 190-01004-03 Rev. K...
Page 249: Select Altitude Filter
Armed, or Active Volume Symbols Toggle Ground Mode On or Off Appendix Figure 9-32 TCAD 9900BX Traffic Menu Index 2. Touch the desired key from the menu to make any settings. 9-35 190-01004-03 Rev. K Garmin GTN 625/635/650 Pilot’s Guide...
Page 250: Audio Key
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 9-36 Garmin GTN 625/635/650 Pilot’s Guide 190-01004-03 Rev. K...
Page 251 Symbols 1. While viewing the Traffic menu, touch the Ground key to activate Ground Mode TCAD traffic. Appendix 2. Touching the Ground key toggles Ground Mode between On and Off. Index 9-37 190-01004-03 Rev. K Garmin GTN 625/635/650 Pilot’s Guide...
Page 252 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 9-38 Garmin GTN 625/635/650 Pilot’s Guide 190-01004-03 Rev. K...
Page 253 Terrain Proximity configuration. Weather • HTAWS - (HTAWS) is an optional feature to increase situational awareness Nearest and aid in reducing controlled flight into terrain. Garmin TAWS satisfies TSO-C194 requirements for certification. Services/ Music •...
Page 254: Database Versions
Database Updates Terrain and obstacle databases are updated periodically with the latest terrain Utilities and obstacle data. Visit the Garmin website to check for newer versions of terrain/obstacle databases. Compare database cycle numbers to determine if a System newer version is available.
Page 255: Terrain Database Areas Of Coverage
If you have the wrong region database for your present position, then you Symbols get the message that terrain is unavailable for the current location and a crosshatched pattern on the terrain display. Appendix Index 10-3 190-01004-03 Rev. K Garmin GTN 625/635/650 Pilot’s Guide...
Page 256 System Status page. Power line data is available for the contiguous United States as well as small parts of Canada and Weather Mexico. Nearest Services/ Music Utilities System Messages Symbols Appendix Index 10-4 Garmin GTN 625/635/650 Pilot’s Guide 190-01004-03 Rev. K...
Page 257: Terrain Proximity
10.3 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 258 Selected View Flight Plan Selected To Show Terrain Weather Touch To Select Display Of Terrain Or Obstacle Legend Nearest Services/ Figure 10-3 Terrain Menu Options Music Utilities System Messages Symbols Appendix Index 10-6 Garmin GTN 625/635/650 Pilot’s Guide 190-01004-03 Rev. K...
Page 259: Display Flight Plan On Terrain Page
Messages Select the display of the Terrain or Obstacle Legend on the Terrain page. Symbols Touch the Legend key to select the display of the Terrain or Obstacle Legend. Appendix Index 10-7 190-01004-03 Rev. K Garmin GTN 625/635/650 Pilot’s Guide...
Page 260: Taws-B Requirements
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 the accuracy and completeness of the data. 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 261: Computing Gps Altitude For Taws
Terrain information is based on terrain elevation information in a database that Direct-To may contain inaccuracies. Individual obstructions may be shown if available in the database. The data undergoes verification by Garmin to confirm accuracy of Proc the content, per TSO-C151c.
Page 262: Using Taws-B
The GTN 6XX adjusts colors automatically as the aircraft Weather altitude changes. Nearest Services/ Music Utilities System View Messages Layers Flight Plan Legend Symbols Layers TAWS Inhibit Test TAWS Appendix Figure 10-5 TAWS-B Page Functional Diagram Index 10-10 Garmin GTN 625/635/650 Pilot’s Guide 190-01004-03 Rev. K...
Page 263 (Yellow) Utilities below current aircraft System altitude Terrain/ Obstacle Messages between 1000 ft and White Symbols 2000 ft below current Appendix aircraft altitude Index Table 10-3 TAWS-B Terrain/Obstacle Colors and Symbology 10-11 190-01004-03 Rev. K Garmin GTN 625/635/650 Pilot’s Guide...
Page 264: Taws-B Page
1. While viewing the Terrain page, touch the Menu key. Utilities Select Displayed Layer Select Terrain View System Messages Symbols Appendix Select TAWS Function Index Figure 10-7 Terrain Page TAWS-B Menu 10-12 Garmin GTN 625/635/650 Pilot’s Guide 190-01004-03 Rev. K...
Page 265 360º or Arc keys from the Menu. 1. While viewing the Terrain page, touch the Menu key. Traffic 2. Touch the 360º or Arc key. Terrain Weather Nearest Services/ Music Utilities System Messages Symbols Appendix Index 10-13 190-01004-03 Rev. K Garmin GTN 625/635/650 Pilot’s Guide...
Page 266: Taws Alerts
When an alert is issued, annunciations appear on the TAWS page. If the Appendix TAWS page is not displayed at the time, a pop-up alert appears on the page being viewed. Index 10-14 Garmin GTN 625/635/650 Pilot’s Guide 190-01004-03 Rev. K...
Page 267: Taws-B Alerting Colors And Symbology
White text on red Services/ Music background Caution Black text on yellow Utilities background Informational Black text on white Not Applicable System background Table 10-5 TAWS-B Alert Colors and Symbology Messages Symbols Appendix Index 10-15 190-01004-03 Rev. K Garmin GTN 625/635/650 Pilot’s Guide...
Page 268 (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 10-6 TAWS-B Alerts Summary Index 10-16 Garmin GTN 625/635/650 Pilot’s Guide 190-01004-03 Rev. K...
Page 269 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. 10-17 190-01004-03 Rev. K Garmin GTN 625/635/650 Pilot’s Guide...
Page 270: Premature Descent Alerting
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 shown. Index 10-18 Garmin GTN 625/635/650 Pilot’s Guide 190-01004-03 Rev. K...
Page 271 • 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 10-19 190-01004-03 Rev. K Garmin GTN 625/635/650 Pilot’s Guide...
Page 272 Figure 10-15 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 10-16 Negative Climb Rate (NCR) Sink Rate Symbols Appendix Index 10-20 Garmin GTN 625/635/650 Pilot’s Guide 190-01004-03 Rev. K...
Page 273: Altitude Voice Call Out (Vco)
“TAWS System Test OK” Messages TAWS N/A TAWS Not Available Symbols TAWS Alerting is Disabled None Appendix TAWS System Test Fail “TAWS System Failure” Index Table 10-8 TAWS-B System Test Status Annunciations 10-21 190-01004-03 Rev. K Garmin GTN 625/635/650 Pilot’s Guide...
Page 274: Operating Criteria
Garmin’ s Helicopter Terrain Awareness Warning System (HTAWS) is an Direct-To optional feature to increase situational awareness and aid in reducing controlled flight into terrain. Garmin HTAWS is TSO-C194 authorized. Units installed in Proc helicopters that do not have HTAWS installed will display HTerrain Proximity.
Page 275: Htaws Operation
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 276: Power Up
Terrain information, aircraft ground track, and GPS-derived MSL altitude are System displayed on the page. The “GSL” above altitude display in the top right corner of the display reminds the pilot that altitude is GPS-derived. Messages Symbols Appendix Index 10-24 Garmin GTN 625/635/650 Pilot’s Guide 190-01004-03 Rev. K...
Page 277: View Selection
Messages 2. Touch Back to return to the Terrain/HTAWS display. The HTAWS Page displays the selected view. Repeat step 1 to Symbols select the alternate view, and press Back. Appendix Index 10-25 190-01004-03 Rev. K Garmin GTN 625/635/650 Pilot’s Guide...
Page 278: Htaws Inhibit
30 knots then the unit will enter that mode once ground speed Messages exceeds 30 knots. Hence, the presence of these selections on the Menu. Symbols Appendix Index 10-26 Garmin GTN 625/635/650 Pilot’s Guide 190-01004-03 Rev. K...
Page 279: External Htaws Inhibit Control
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 10-27 190-01004-03 Rev. K Garmin GTN 625/635/650 Pilot’s Guide...
Page 280: Htaws Manual Test
10.5.3.5 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 281 Aircraft Altitude -500 ft Terrain more than 500 ft Black below the aircraft altitude Figure 10-22 HTAWS Terrain Altitude Colors and Symbology Traffic Terrain Weather Nearest Services/ Music Utilities System Messages Symbols Appendix Index 10-29 190-01004-03 Rev. K Garmin GTN 625/635/650 Pilot’s Guide...
Page 282: Htaws Symbols
Obstacle is 250 ft, or more, below current Messages aircraft altitude. White Obstacles are Symbols removed when more than 500 ft below Appendix the helicopter. Index Table 10-10 HTAWS Obstacle Colors and Symbology 10-30 Garmin GTN 625/635/650 Pilot’s Guide 190-01004-03 Rev. K...
Page 283 Annunciations are color-coded according to the HTAWS Alert Summary table. Pop-up terrain alerts will occur if an HTAWS alert is activated while not Symbols on the HTAWS page. There are two options when an alert is displayed: Appendix Index 10-31 190-01004-03 Rev. K Garmin GTN 625/635/650 Pilot’s Guide...
Page 284 “Warning - Terrain, Terrain” . Similarly, a “Warning - Obstacle, Obstacle” alert is also provided. The time to an alert can vary with conditions, Index therefore there is no guarantee of a 15/10 second warning alert being issued. 10-32 Garmin GTN 625/635/650 Pilot’s Guide 190-01004-03 Rev. K...
Page 285: Htaws Voice Call Out Selection
Voice Call Out Selection item and then select the desired value. 1. From the Main page, touch System and then Audio. Messages Symbols 2. Touch the Voice Callouts key to view the Voice Call Outs Appendix page. Index 10-33 190-01004-03 Rev. K Garmin GTN 625/635/650 Pilot’s Guide...
Page 286 Music 200 ft Selected Utilities Maximum Voice Call Out Range - 200 feet Selected System Messages Figure 10-26 View the Maximum Voice Call Out Range (200 ft Selected) Symbols Appendix Index 10-34 Garmin GTN 625/635/650 Pilot’s Guide 190-01004-03 Rev. K...
Page 287: Htaws Failure Alert
10.5.5.4 HTAWS Not Available Alert Foreword Garmin HTAWS requires a 3-D GPS navigation solution along with specific Getting vertical accuracy minimums. Should the navigation solution become degraded, Started or if the aircraft is out of the database coverage area, the annunciation “HTAWS Audio &...
Page 288: Htaws Alert Summary
10.5.5.6 HTAWS Alert Summary Foreword The aural alert voice gender is configurable to be either male or female. See Getting your Garmin installer for further information on configuring the alert system. Started HTAWS Audio & Pop-Up Alert Aural Message Description...
Page 289: Pilot Actions
Symbols NOTE: Display of terrain and obstacles on the display is supplemental data Appendix only. Maneuvering solely by reference to the terrain and obstacle data is not recommended or authorized. Index 10-37 190-01004-03 Rev. K Garmin GTN 625/635/650 Pilot’s Guide...
Page 290 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 291 - Imminent Terrain Impact (ITI) / Imminent Line Impact (ILI) / Imminent Obstacle Impact (IOI) Alerting Symbols • Premature Descent Alerting (PDA) Appendix • Ground Proximity Warning System (GPWS) Alerting, which consists of: - Excessive Descent Rate (EDR) Alerting Index 10-39 190-01004-03 Rev. K Garmin GTN 625/635/650 Pilot’s Guide...
Page 292 Informational Black text on white Not Applicable background Messages Table 10-14 TAWS-A Alert Colors and Symbology Tower Windmill Windmill in Group Power Line Symbols Appendix Index Table 10-15 Obstacle Icon Types 10-40 Garmin GTN 625/635/650 Pilot’s Guide 190-01004-03 Rev. K...
Page 293: Taws-A Display
ARC (120°) display. Map range is adjustable Symbols with the In and Out keys from 1 to 200 NM, as indicated by the map range rings (or arcs). Appendix Index 10-41 190-01004-03 Rev. K Garmin GTN 625/635/650 Pilot’s Guide...
Page 294 (shown on all displays) (+ indicates there are Services/ more annunciations and Music will show each one for five seconds) Utilities Figure 10-29 TAWS-A Page with 360° View System Messages Symbols Appendix Index 10-42 Garmin GTN 625/635/650 Pilot’s Guide 190-01004-03 Rev. K...
Page 295 Selected View Flight Plan Selected To Show Terrain Touch To Select Terrain Or Weather Obstacle Legend Nearest Figure 10-31 TAWS-A Map Setup Menu Services/ Music Utilities System Messages Symbols Appendix Index 10-43 190-01004-03 Rev. K Garmin GTN 625/635/650 Pilot’s Guide...
Page 296 Figure 10-33 Terrain Alert Pop-Up Symbols To acknowledge the pop-up alert: Touch the Close key (returns to the currently viewed page), or Appendix Touch the Go to Terrain key (accesses the TAWS-A Page) Index 10-44 Garmin GTN 625/635/650 Pilot’s Guide 190-01004-03 Rev. K...
Page 297 “<whoop> Rate Warning (ECR) <whoop> Pull Up” System Imminent Line "Wire Ahead, Pull Impact Warning Up; Wire Ahead, (ILI) Pull Up" Messages "Wire, Wire; Pull Symbols Up, Pull Up" Appendix Index 10-45 190-01004-03 Rev. K Garmin GTN 625/635/650 Pilot’s Guide...
Page 298 Impact Caution (ILI) "Caution, Wire; Caution, Wire" System "Wire Ahead; Wire Reduced Line Ahead"* Messages Clearance Caution (RLC) "Caution, Wire; Symbols Caution, Wire" Premature Descent “Too Low, Terrain” Appendix Alert Caution (PDA) Index 10-46 Garmin GTN 625/635/650 Pilot’s Guide 190-01004-03 Rev. K...
Page 299 TAWS System Test “TAWS System System None Pass Test OK” TAWS Not Messages TAWS N/A Available TAWS Alerting is None Symbols Disabled TAWS System Test “TAWS System Appendix Fail Failure” Index 10-47 190-01004-03 Rev. K Garmin GTN 625/635/650 Pilot’s Guide...
Page 300 Nearest “GPWS System GPWS Inhibit Failure” Services/ Music GPWS Not Utilities Available. Incorrect TAWS System configuration, radar altimeter unavailable, None Messages GPS position unavailable/ Symbols degraded, TAWS audio fault. Appendix Index 10-48 Garmin GTN 625/635/650 Pilot’s Guide 190-01004-03 Rev. K...
Page 301 3500 3000 Services/ Music 2500 2000 Utilities 1500 "PULL UP" System 1000 Messages 2000 4000 6000 8000 10000 12000 Descent Rate Symbols Figure 10-34 Excessive Descent Rate Alert Criteria Appendix Index 10-49 190-01004-03 Rev. K Garmin GTN 625/635/650 Pilot’s Guide...
Page 302 125 feet AGL while within 1.0 NM of the threshold. During Symbols the final descent, algorithms set a threshold for alerting based on speed, distance, and other parameters. Appendix Index 10-50 Garmin GTN 625/635/650 Pilot’s Guide 190-01004-03 Rev. K...
Page 303 Symbols 2. Touch the TAWS Inhibit key to inhibit or enable TAWS (choice Appendix is dependent on current state). A green bar in the key indicates Index the TAWS is inhibited. 10-51 190-01004-03 Rev. K Garmin GTN 625/635/650 Pilot’s Guide...
Page 304: Excessive Closure Rate Alert
Direct-To Proc Wpt Info Traffic Terrain Weather Nearest Services/ Music Closure Rate (FPM) Figure 10-37 Excessive Closure Rate Alert Criteria (Flaps Up or Takeoff Configuration) Utilities System Messages Symbols Appendix Index 10-52 Garmin GTN 625/635/650 Pilot’s Guide 190-01004-03 Rev. K...
Page 305 Com/Nav Direct-To Proc Closure Rate (FPM) Wpt Info Figure 10-38 Excessive Closure Rate Alert Criteria (Flaps in Landing Configuration) Traffic Terrain Weather Nearest Services/ Music Utilities System Messages Symbols Appendix Index 10-53 190-01004-03 Rev. K Garmin GTN 625/635/650 Pilot’s Guide...
Page 306: Flight Into Terrain Alert
FIT alerting remains in effect. Music Utilities Flap Override System Selection Messages Flap Override Annunciation Symbols "+" Indicates Multiple Annunciations Figure 10-40 TAWS-A Page Menu and FIT Flap Override Annunciation Appendix Index 10-54 Garmin GTN 625/635/650 Pilot’s Guide 190-01004-03 Rev. K...
Page 307 Wpt Info Traffic Terrain Weather “TOO LOW, TERRAIN” Nearest Services/ Music Utilities Radio Altitude Loss (Feet) System Figure 10-41 FIT Alerting After Takeoff Messages Symbols Appendix Index 10-55 190-01004-03 Rev. K Garmin GTN 625/635/650 Pilot’s Guide...
Page 308: Negative Climb Rate After Take-Off Alert (Ncr)
Proc Wpt Info Traffic “DON’T SINK” Terrain “TOO LOW, TERRAIN” Weather Nearest Services/ Music Altitude Loss (Feet) Utilities Figure 10-42 Negative Climb Rate (NCR) Altitude Loss System Messages Symbols Appendix Index 10-56 Garmin GTN 625/635/650 Pilot’s Guide 190-01004-03 Rev. K...
Page 309 Terrain glidepath for the selected approach. Weather Nearest Services/ Music Utilities “GLIDESLOPE” System Messages Symbols Number of Dots Below Glideslope/Glidepath Appendix Figure 10-44 Excessive Below Glideslope/Glidepath Deviation Alert Criteria Index 10-57 190-01004-03 Rev. K Garmin GTN 625/635/650 Pilot’s Guide...
Page 310 Services/ Music NOTE: Glideslope Deviation alerts will not be available if the G/S INHB Utilities function is activated. System Messages Symbols Appendix Index 10-58 Garmin GTN 625/635/650 Pilot’s Guide 190-01004-03 Rev. K...
Page 311: Inhibiting Gpws Alerts (Edr, Ecr, Fit, And Ncr)
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 10-59 190-01004-03 Rev. K Garmin GTN 625/635/650 Pilot’s Guide...
Page 312: Taws-A System Status
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 10-60 Garmin GTN 625/635/650 Pilot’s Guide 190-01004-03 Rev. K...
Page 313 Flight Service Stations or Air Traffic Control. Symbols NOTE: In data link weather, Temporary Flight Restrictions (TFRs) and Appendix Notices to Airmen (NOTAMs) that do not have geographical locations cannot be viewed on the GTN. Index 11-1 190-01004-03 Rev. K Garmin GTN 625/635/650 Pilot’s Guide...
Page 314 3000 ft ... 45,000 ft SIGMET/AIRMET Nearest Freezing Level Icing Services/ Music Turbulence Cyclone Utilities Orientation Track Up Heading Up North Up System Legend Messages Figure 11-3 SiriusXM Weather Page Functional Diagram Symbols Appendix Index 11-2 Garmin GTN 625/635/650 Pilot’s Guide 190-01004-03 Rev. K...
Page 315 Figure 11-5 Weather Data Link Menu Utilities 3. Once you selected what items you want to display, touch BACK to return to the Data Link Weather page. System Messages Symbols Appendix Index 11-3 190-01004-03 Rev. K Garmin GTN 625/635/650 Pilot’s Guide...
Page 316 Wpt Info products, or use the Up/Down keys. 3. Touch the Back key to remove the Legend. Traffic Terrain Weather Nearest Services/ Music Utilities System Messages Symbols Appendix Index 11-4 Garmin GTN 625/635/650 Pilot’s Guide 190-01004-03 Rev. K...
Page 317: Weather Map Orientation
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. K Garmin GTN 625/635/650 Pilot’s Guide...
Page 318 NOTE: SiriusXM Weather does not provide a timestamp for AIRMETs, Appendix SIGMETs, City Forecasts, County Warnings, Cell Movement and TFR products. Therefore, the unit does not display a product age indication for these products. Index 11-6 Garmin GTN 625/635/650 Pilot’s Guide 190-01004-03 Rev. K...
Page 319 Music WX Forecast Freezing Levels Utilities Winds Aloft System County Warnings Cyclone Warnings Messages Icing Potential (Icing) Symbols (SLD) Pilot Weather Report (PIREP) Appendix (Blue - Regular, Yellow - Urgent) Index 11-7 190-01004-03 Rev. K Garmin GTN 625/635/650 Pilot’s Guide...
Page 320 Severe Thunderstorm Tornado Traffic Sunny Terrain Part Sun Weather Cloudy Nearest Rainy Services/ T-Storm Music Snow Utilities Windy System Foggy Messages Haze Symbols High/Low Temp Appendix Table 11-2 Weather Symbols Index 11-8 Garmin GTN 625/635/650 Pilot’s Guide 190-01004-03 Rev. K...
Page 321 1. While viewing the SiriusXM Weather menu, touch the NEXRAD Nearest key to display the NEXRAD selections. Services/ Music Utilities System Messages Figure 11-8 SiriusXM NEXRAD Weather Selection Symbols Appendix Index 11-9 190-01004-03 Rev. K Garmin GTN 625/635/650 Pilot’s Guide...
Page 322 (Z). NEXRAD measures the radar reflectivity ratio, or the energy Appendix reflected back to the radar receiver (designated by the letter Z). The value of Z increases as the returned signal strength increases. Index 11-10 Garmin GTN 625/635/650 Pilot’s Guide 190-01004-03 Rev. K...
Page 323: Nexrad Limitations
• Sun strobes (when the radar antenna points directly at the sun) System • Interference from buildings or mountains, which may cause shadows Messages • Metallic dust from military aircraft, which can cause alterations in radar scans Symbols Appendix Index 11-11 190-01004-03 Rev. K Garmin GTN 625/635/650 Pilot’s Guide...
Page 324 NEXRAD images from oldest to newest, showing each for one second and the newest for two seconds. Nearest Touch To Start Services/ NEXRAD Animation Music Utilities System Messages Touch To Stop NEXRAD Animation Symbols Appendix Figure 11-13 Animating NEXRAD Index 11-12 Garmin GTN 625/635/650 Pilot’s Guide 190-01004-03 Rev. K...
Page 325: Echo Tops
Nearest Echo Tops Services/ Music Figure 11-14 Echo Tops Utilities 2. Touch the Echo Tops key again to turn it off. System Messages Symbols Appendix Index Figure 11-15 Echo Tops Legend 11-13 190-01004-03 Rev. K Garmin GTN 625/635/650 Pilot’s Guide...
Page 326: Cloud Tops
Figure 11-16 Cloud Tops 2. Touch the Cloud Tops key again to turn it off. Traffic Terrain Weather Nearest Services/ Music Utilities Figure 11-17 Cloud Tops Legend System Messages Symbols Appendix Index 11-14 Garmin GTN 625/635/650 Pilot’s Guide 190-01004-03 Rev. K...
Page 327: Cell Movement
Altitude of Maximum Reflectivity Services/ Figure 11-19 Cell Movement Detail Music 3. Touch the Cell Movement key again to turn it off. Utilities System Messages Symbols Figure 11-20 Cell Movement Legend Appendix Index 11-15 190-01004-03 Rev. K Garmin GTN 625/635/650 Pilot’s Guide...
Page 328: Sigmets And Airmets
Figure 11-21 SIGMETs and AIRMETs Wpt Info 2. Touch the SIGMET/AIRMET key again to turn it off. Traffic Terrain Weather Nearest Services/ Music Figure 11-22 SIGMET/AIRMET Legend Utilities System Messages Symbols Appendix Index 11-16 Garmin GTN 625/635/650 Pilot’s Guide 190-01004-03 Rev. K...
Page 329: County Warnings
Map view. Nearest 3. Touch the County Warnings key again to turn it off. Services/ Music Utilities System Messages Symbols Appendix Figure 11-24 County Warnings Legend Index 11-17 190-01004-03 Rev. K Garmin GTN 625/635/650 Pilot’s Guide...
Page 330: Freezing Level
Figure 11-25 Freezing Level 2. Touch the Freezing Level key again to turn it off. Traffic Terrain Weather Nearest Services/ Music Figure 11-26 Freezing Level Legend Utilities System Messages Symbols Appendix Index 11-18 Garmin GTN 625/635/650 Pilot’s Guide 190-01004-03 Rev. K...
Page 331 Available - Touch And Drag Display To View Nearest Services/ METAR Detail Music Figure 11-28 METARs Detail Utilities 3. Touch the METAR key again to turn it off. System Messages Symbols Appendix Index 11-19 190-01004-03 Rev. K Garmin GTN 625/635/650 Pilot’s Guide...
Page 332: Cyclone
Name, Date, Time, And Nearest Current Position Of Cyclone Services/ Figure 11-29 Cyclone Music 2. Touch the Cyclone key again to turn it off. Utilities System Messages Symbols Figure 11-30 Cyclone Legend Appendix Index 11-20 Garmin GTN 625/635/650 Pilot’s Guide 190-01004-03 Rev. K...
Page 333 Figure 11-31 Lightning Wpt Info 2. Touch the Lightning key again to turn it off. Traffic Terrain Figure 11-32 Lightning Legend Weather Nearest Services/ Music Utilities System Messages Symbols Appendix Index 11-21 190-01004-03 Rev. K Garmin GTN 625/635/650 Pilot’s Guide...
Page 334: Weather Forecast
3. Touch a City Forecast symbol to show detailed information. Touch the Back key to return to the Weather display. System City Forecast Symbol Messages Symbols Appendix Figure 11-35 Surface Conditions Detail Index 11-22 Garmin GTN 625/635/650 Pilot’s Guide 190-01004-03 Rev. K...
Page 335 Foreword Getting Started Audio & Xpdr Ctrl Com/Nav City Forecast Fronts Direct-To Figure 11-36 Surface Legends Proc Wpt Info Traffic Terrain Weather Nearest Services/ Music Utilities System Messages Symbols Appendix Index 11-23 190-01004-03 Rev. K Garmin GTN 625/635/650 Pilot’s Guide...
Page 336: Winds Aloft
Terrain above the altitude keys. 3. Touch the Winds Aloft key again to turn it off. Weather Nearest Services/ Music Utilities System Messages Figure 11-38 Winds Aloft Legend Symbols Appendix Index 11-24 Garmin GTN 625/635/650 Pilot’s Guide 190-01004-03 Rev. K...
Page 337 Nearest 3. Touch the Icing key again to turn it off. Services/ Music Utilities System Messages Symbols Figure 11-40 Icing Legend Appendix Index 11-25 190-01004-03 Rev. K Garmin GTN 625/635/650 Pilot’s Guide...
Page 338: Turbulence
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 System Figure 11-42 Turbulence Legend Messages Symbols Appendix Index 11-26 Garmin GTN 625/635/650 Pilot’s Guide 190-01004-03 Rev. K...
Page 339: Airep/Pirep
Figure 11-44 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 11-27 190-01004-03 Rev. K Garmin GTN 625/635/650 Pilot’s Guide...
Page 340 Utilities Table 11-4 Stormscope Symbols 1. From the Home page, touch the Weather key (and then the System StormScope key if present) to reach the StormScope function. Messages Symbols Appendix Index 11-28 Garmin GTN 625/635/650 Pilot’s Guide 190-01004-03 Rev. K...
Page 341 3. Touch the 360° or Arc to select the display view. Terrain Weather Nearest Services/ Music View Utilities System Mode Cell Strike Messages Figure 11-47 StormScope Functional Diagram Symbols Appendix Index 11-29 190-01004-03 Rev. K Garmin GTN 625/635/650 Pilot’s Guide...
Page 342: Display View
Displaying cell data during these periods frees the user from sifting through a screen full of discharge points and helps to better Symbols determine where the storm cells are located. Appendix Index 11-30 Garmin GTN 625/635/650 Pilot’s Guide 190-01004-03 Rev. K...
Page 343 If no heading source is available, the display will indicate this by Appendix placing “HDG N/A” in the upper right portion of the display. If no heading is available, the pilot must clear the strikes after each heading change. Index 11-31 190-01004-03 Rev. K Garmin GTN 625/635/650 Pilot’s Guide...
Page 344: Connext Weather
Foreword Connext Weather is an optional feature available with the Iridium ® satellite system that is interfaced through the optional Garmin GSR 56. Connext Weather Getting Started may be viewed in the Weather and Map functions. The Weather pages may Audio &...
Page 345: Using Connext Satellite Weather Products
If more than half of the expiration time has elapsed from the time the data is received, the color of the product age displayed changes to yellow. Traffic Terrain Weather Nearest Services/ Music Utilities System Messages Symbols Appendix Index 11-33 190-01004-03 Rev. K Garmin GTN 625/635/650 Pilot’s Guide...
Page 346: Connext Weather Menu
Weather Nearest Services/ Music Figure 11-51 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 11-34 Garmin GTN 625/635/650 Pilot’s Guide 190-01004-03 Rev. K...
Page 347: Connext Settings
2. Touch the Auto Request key to set the Auto Request Period. Services/ Music Utilities System Touch To Select Request Period Messages Symbols Figure 11-53 Select Auto Request Period Appendix Index 11-35 190-01004-03 Rev. K Garmin GTN 625/635/650 Pilot’s Guide...
Page 348: Connext Data Request Coverage Region
Symbols Flight Plan Distance Data Request Appendix Touch the Distance key to request that weather information will be shown for the selected distance along the active flight Index plan. 11-36 Garmin GTN 625/635/650 Pilot’s Guide 190-01004-03 Rev. K...
Page 349: Connext Weather Map Orientation
Heading Up and to accept the displayed value and return to the Connext Weather Menu. Traffic Touch To Select Map Orientation Terrain Weather Nearest Figure 11-56 Connext Weather Map Orientation Services/ Music Utilities System Messages Symbols Appendix Index 11-37 190-01004-03 Rev. K Garmin GTN 625/635/650 Pilot’s Guide...
Page 350: Register With Connext
It is necessary to register the GTN with Connext to utilize the weather Getting products. Started 1. Call Garmin Customer Service to create a Connext account. Audio & Provide the GTN System ID and airframe info (model, tail Xpdr Ctrl number, etc).
Page 351: Connext Weather Product Age
Due to time delays inherent in gathering and processing weather data for data link transmission, the weather information shown by Symbols the data link weather product may be significantly older than the indicated weather product age. Appendix Index 11-39 190-01004-03 Rev. K Garmin GTN 625/635/650 Pilot’s Guide...
Page 352: Tfrs
To View Details Wpt Info Figure 11-60 Connext TFR Detail 2. Touch the Back key to return to the Weather display. Traffic Terrain Weather Nearest Services/ Music Utilities System Messages Symbols Appendix Index 11-40 Garmin GTN 625/635/650 Pilot’s Guide 190-01004-03 Rev. K...
Page 353: Precipitation (Precip) Data
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 11-41 190-01004-03 Rev. K Garmin GTN 625/635/650 Pilot’s Guide...
Page 354: Animating Precipitation Data
Precipitation animation. The animation will also stop when leaving the page or turning off Precipitation on the Connext weather page. Traffic Terrain Weather Nearest Services/ Music Utilities System Messages Symbols Appendix Index 11-42 Garmin GTN 625/635/650 Pilot’s Guide 190-01004-03 Rev. K...
Page 355: Lightning
Information is updated every Terrain half hour. Weather IR Satellite Product Age Nearest IR Satellite Services/ Coverage Music Utilities System Messages Symbols Figure 11-64 Connext Infrared Satellite Data Map Display and Legend Appendix Index 11-43 190-01004-03 Rev. K Garmin GTN 625/635/650 Pilot’s Guide...
Page 356: Metars
Low IFR (ceiling below 500 ft. AGL or visibility less than one mile) Services/ Music Unknown Table 11-6 METAR Symbols Utilities 1. While viewing the Connext Weather page, touch the airport with a METAR flag. System Messages METAR Detail Symbols Appendix Index 11-44 Garmin GTN 625/635/650 Pilot’s Guide 190-01004-03 Rev. K...
Page 357 Figure 11-65 Connext Weather - Graphic METARs and Legend 2. Touch the Back key to return to the Weather page. Com/Nav Direct-To Proc Wpt Info Traffic Terrain Weather Nearest Services/ Music Utilities System Messages Symbols Appendix Index 11-45 190-01004-03 Rev. K Garmin GTN 625/635/650 Pilot’s Guide...
Page 358: Pireps
Traffic Figure 11-66 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 11-46 Garmin GTN 625/635/650 Pilot’s Guide 190-01004-03 Rev. K...
Page 359: Winds Aloft
In the figure shown above, 6000 feet is selected and Winds Aloft Services/ Music data is shown for winds reported at an altitude of 6000 feet. Utilities System Messages Symbols Appendix Index 11-47 190-01004-03 Rev. K Garmin GTN 625/635/650 Pilot’s Guide...
Page 360: Sigmets And Airmets
Figure 11-69 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 11-48 Garmin GTN 625/635/650 Pilot’s Guide 190-01004-03 Rev. K...
Page 361: Fis-B Weather
The FIS-B Function is based on a ground-to-air data link and requires that Utilities the appropriate ground systems are broadcasting weather data and the aircraft is within reception range of the Ground Broadcast Transceiver (GBT). System Messages Symbols Appendix Index 11-49 190-01004-03 Rev. K Garmin GTN 625/635/650 Pilot’s Guide...
Page 362 1,000 ft ... 53,000 ft Proc SIGMET/AIRMET Wpt Info Orientation Track Up Heading Up North Up Legend Traffic Figure 11-71 FIS-B Weather Functional Diagram Terrain Weather Nearest Services/ Music Utilities System Messages Symbols Appendix Index 11-50 Garmin GTN 625/635/650 Pilot’s Guide 190-01004-03 Rev. K...
Page 363 Due to time delays inherent in gathering and processing weather data for data link transmission, the weather information shown by the data link weather product may be significantly older than the indicated Messages weather product age. Symbols Appendix Index 11-51 190-01004-03 Rev. K Garmin GTN 625/635/650 Pilot’s Guide...
Page 364: Fis-B Operation
Figure 11-73 FIS-B Weather Data Link Menu Utilities 3. Once you selected what items you want to display, touch BACK to return to the FIS-B Weather page. System Messages Symbols Appendix Index 11-52 Garmin GTN 625/635/650 Pilot’s Guide 190-01004-03 Rev. K...
Page 365: Fis-B Nexrad
CONUS NEXRAD is not available above 60 degrees of latitude. The intensity level reflected by the pixel will be the highest level sampled Messages within the area covered by each pixel. Symbols Appendix Index 11-53 190-01004-03 Rev. K Garmin GTN 625/635/650 Pilot’s Guide...
Page 366: Nexrad Intensity
Symbols equipment may still receive incomplete FIS-B data when signal reception is limited by the distance from ground stations combined with a low altitude. Appendix Index 11-54 Garmin GTN 625/635/650 Pilot’s Guide 190-01004-03 Rev. K...
Page 367 15 minutes. Services/ Music CONUS NEXRAD Coverage Shown Utilities Out Of CONUS CONUS Selected NEXRAD System On NEXRAD Key Coverage Figure 11-75 Weather Page With CONUS Displayed Messages Symbols Appendix Index 11-55 190-01004-03 Rev. K Garmin GTN 625/635/650 Pilot’s Guide...
Page 368 Boundary Shown Terrain NEXRAD Weather Shown CONUS & Regional Weather Selected On NEXRAD Key Figure 11-77 Weather Page With Combined NEXRAD Displayed Nearest Services/ Music Utilities System Messages Symbols Appendix Index 11-56 Garmin GTN 625/635/650 Pilot’s Guide 190-01004-03 Rev. K...
Page 369 2. Touch Menu and then touch the Stop NXRD key to stop the Appendix NEXRAD animation. The animation will also stop when leaving the page or turning off NEXRAD on the FIS-B weather page. Index 11-57 190-01004-03 Rev. K Garmin GTN 625/635/650 Pilot’s Guide...
Page 370: Fis-B Tfrs
To View Details Traffic Terrain TFR Detail Weather Figure 11-80 FIS-B TFR Detail Nearest 2. Touch the Back key to return to the Weather display. Services/ Music Utilities System Messages Symbols Appendix Index 11-58 Garmin GTN 625/635/650 Pilot’s Guide 190-01004-03 Rev. K...
Page 371: Fis-B Metars
Figure 11-81 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 11-59 190-01004-03 Rev. K Garmin GTN 625/635/650 Pilot’s Guide...
Page 372: Fis-B Pireps
Messages Symbols Figure 11-82 PIREP Information Detail and Legend 4. Touch the Back key to remove the detailed information. Appendix 5. Touch the PIREP key again to turn it off. Index 11-60 Garmin GTN 625/635/650 Pilot’s Guide 190-01004-03 Rev. K...
Page 373: Fis-B Winds And Temperatures Aloft
3. Touch the Wind/Temp Aloft key again to turn it off. Services/ Music Utilities System Messages Symbols Figure 11-84 FIS-B Winds Aloft Legend Appendix Index 11-61 190-01004-03 Rev. K Garmin GTN 625/635/650 Pilot’s Guide...
Page 374: Fis-B Sigmets And Airmets
Services/ key to return to the Weather display. Music Utilities System Messages Figure 11-87 SIGMET and AIRMET Details Symbols 3. Touch the SIGMET/AIRMET key again to turn it off. Appendix Index 11-62 Garmin GTN 625/635/650 Pilot’s Guide 190-01004-03 Rev. K...
Page 375 List Wpt Info Wpt Info Frequency Services/ Music List List List Utilities Airspace Info Wpt Info Wpt Info Frequency Freq System Figure 12-2 Nearest Page Functional Map Messages Symbols Appendix Index 12-1 190-01004-03 Rev. K Garmin GTN 625/635/650 Pilot’s Guide...
Page 376 Direct-To key. The waypoint will be loaded into the Waypoint window of the Direct-To function. Terrain 5. Touch the Activate key to navigate directly to that Weather waypoint. Nearest Services/ Music Utilities System Messages Symbols Appendix Index 12-2 Garmin GTN 625/635/650 Pilot’s Guide 190-01004-03 Rev. K...
Page 377: Nearest Airport
Touch A Key For More System 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. K Garmin GTN 625/635/650 Pilot’s Guide...
Page 378 Info page for the selected Intersection. Services/ Music Intersection Information Referenced Utilities To Current Position System Touch To View Intersection Map Detail Messages Figure 12-7 Nearest Intersection Waypoint Detail Symbols Appendix Index 12-4 Garmin GTN 625/635/650 Pilot’s Guide 190-01004-03 Rev. K...
Page 379: Nearest Vor
Services/ Current Position Additional VOR Music 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. K Garmin GTN 625/635/650 Pilot’s Guide...
Page 380 System Touch To Select NDB Information New Waypoint Referenced To Messages Current Position Additional NDB Information Symbols Touch To View NDB Map Detail Appendix Figure 12-12 Nearest NDB Waypoint Information Index 12-6 Garmin GTN 625/635/650 Pilot’s Guide 190-01004-03 Rev. K...
Page 381: Nearest User Waypoint
Edit Wpt Nearest To Wpt From Reference Wpt Touch To View Services/ Area Map View All Wpts Music Utilities Wpts Used Figure 12-14 Nearest User Waypoint Information System Messages Symbols Appendix Index 12-7 190-01004-03 Rev. K Garmin GTN 625/635/650 Pilot’s Guide...
Page 382: Nearest Airspace
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 12-8 Garmin GTN 625/635/650 Pilot’s Guide 190-01004-03 Rev. K...
Page 383 (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. 12-9 190-01004-03 Rev. K Garmin GTN 625/635/650 Pilot’s Guide...
Page 384 Frequency Key Messages Figure 12-19 Nearest ARTCC Multiple Frequency List Symbols 4. Touch the key for the desired frequency to place the selected frequency into the Com Standby window. Appendix Index 12-10 Garmin GTN 625/635/650 Pilot’s Guide 190-01004-03 Rev. K...
Page 385: Nearest Flight Service Station (Fss)
Com Standby window. Utilities Selected FSS System Frequency FSS Multiple Inserted Into Frequency List Standby Window Messages FSS Multiple Frequency Key Symbols Figure 12-21 Selected FSS Frequency From List Appendix Index 12-11 190-01004-03 Rev. K Garmin GTN 625/635/650 Pilot’s Guide...
Page 386 Utilities Figure 12-23 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 12-12 Garmin GTN 625/635/650 Pilot’s Guide 190-01004-03 Rev. K...
Page 387: Services/Music
Time Period Call/End Call Utilities Email Address Volume Save Contact Volume System Existing Contact Suppression Call Messages Message Edit On During Delete Symbols APR/MAPR/ TERM Appendix Figure 13-2 Services Functional Diagram Index 13-1 190-01004-03 Rev. K Garmin GTN 625/635/650 Pilot’s Guide...
Page 388 Channel Browse Volume Menu Presets Channel Messages GDL 69 XM 1 Channel Up/Down Status XM 2 Category Mute Select with XM 3 Symbols keypad Appendix Figure 13-3 Music Functional Map Index 13-2 Garmin GTN 625/635/650 Pilot’s Guide 190-01004-03 Rev. K...
Page 389: Activating Siriusxm Satellite Radio Services
Audio & activate the entertainment subscription. The SiriusXM Satellite Radio Activation Xpdr Ctrl Instructions are included with the GDL 69A (also available at www.garmin. Com/Nav com, P/N 190-00355-04). It is not required to activate both the entertainment and weather service subscriptions with the GDL 69A.
Page 390 Services/ a low, or background level. When the radio or intercom traffic ceases, the Music level gradually returns to normal. Utilities System Messages Symbols Appendix Index 13-4 Garmin GTN 625/635/650 Pilot’s Guide 190-01004-03 Rev. K...
Page 391 Weather Categories. Touch to Select. Nearest Figure 13-6 Music Categories Services/ 3. The current category will be shown at the top of the display. Music Utilities System Messages Symbols Appendix Index 13-5 190-01004-03 Rev. K Garmin GTN 625/635/650 Pilot’s Guide...
Page 392: Selecting A Siriusxm Satellite Radio Channel By Number
Channel Number Selection Weather Touch Enter Or Press Small Knob To Save Number Nearest Figure 13-8 Selecting Music Channels with the Numeric Keypad Services/ Music Utilities System Messages Symbols Appendix Index 13-6 Garmin GTN 625/635/650 Pilot’s Guide 190-01004-03 Rev. K...
Page 393 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. K Garmin GTN 625/635/650 Pilot’s Guide...
Page 394: Recalling A Preset
1. Touch the Presets key to select the preset bank (XM 1, XM 2, or XM 3). Nearest 2. Touch the desired preset key. Services/ Music Utilities System Messages Symbols Appendix Index 13-8 Garmin GTN 625/635/650 Pilot’s Guide 190-01004-03 Rev. K...
Page 395: Troubleshooting
Touch To View Weather Products Utilities Figure 13-11 GDL 69/69A Status Page System 2. Touch the Menu key to display the GDL Status Menu. Messages Symbols Appendix Index Figure 13-12 GDL Status Menu 13-9 190-01004-03 Rev. K Garmin GTN 625/635/650 Pilot’s Guide...
Page 396 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 Garmin GTN 625/635/650 Pilot’s Guide 190-01004-03 Rev. K...
Page 397: Iridium Phone Operation (Optional)
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 Status Xpdr Ctrl Phone Call Touch To Select...
Page 398: Making A Phone Call
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 Garmin GTN 625/635/650 Pilot’s Guide 190-01004-03 Rev. K...
Page 399: Answering A Phone Call
Touch the HANG UP soft key to end the call. Traffic Terrain Weather Nearest Services/ Music Utilities System Messages Symbols Appendix Index 13-13 190-01004-03 Rev. K Garmin GTN 625/635/650 Pilot’s Guide...
Page 400: Suppress Visuals
NOTE: The “Suppress Visuals” setting only affects the visual indication Audio & Xpdr Ctrl of an incoming call/text. It does not inhibit the phone ringer or incoming SMS chime. Garmin recommends that you inhibit the audio from the GSR Com/Nav 56 unless a phone call is active. Status Description Call Suppression is turned off.
Page 401: Sms Text Operation
Services/ Messages Music Touch To View Draft Messages Utilities Touch To View Sent Messages System Figure 13-21 SMS Text Page Messages 2. Select Compose, Inbox, Drafts, or Outbox. Symbols Appendix Index 13-15 190-01004-03 Rev. K Garmin GTN 625/635/650 Pilot’s Guide...
Page 402: Composing A Sms Text Message
1. While viewing the SMS Text page, touch the Compose key. Services/ Music Touch To Select Recipient Utilities Touch To Compose Touch To Send New Message Message System Figure 13-23 Compose a New SMS Text Message Messages Symbols Appendix Index 13-16 Garmin GTN 625/635/650 Pilot’s Guide 190-01004-03 Rev. K...
Page 403: A Failed Sms Text Message
Message Body Messages Touch Resend Message Symbols Figure 13-26 Resend a Failed SMS Text Message 3. To delete the message, touch the Menu key and then the Appendix Delete key. Index 13-17 190-01004-03 Rev. K Garmin GTN 625/635/650 Pilot’s Guide...
Page 404: Position Reporting
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 Garmin GTN 625/635/650 Pilot’s Guide 190-01004-03 Rev. K...
Page 405: Position Reporting Status
Table 13-3 Position Reporting Status Weather Countdown Time Until Transmit Nearest Reporting Status Number Of Reports In The Queue Services/ Music Figure 13-29 Position Reporting Status Utilities System Messages Symbols Appendix Index 13-19 190-01004-03 Rev. K Garmin GTN 625/635/650 Pilot’s Guide...
Page 406: Using A Contact
Contact Phone Number Symbols Touch To Edit The 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 Garmin GTN 625/635/650 Pilot’s Guide 190-01004-03 Rev. K...
Page 407: Dalt/Tas/Winds
The Clean Screen function will lock the touchscreen so the display can be cleaned without activating any functions. Terrain Weather Nearest Services/ Music Utilities System Messages Symbols Appendix Figure 14-1 Utilities Home Page Index 14-1 190-01004-03 Rev. K Garmin GTN 625/635/650 Pilot’s Guide...
Page 408 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 14-2 Garmin GTN 625/635/650 Pilot’s Guide 190-01004-03 Rev. K...
Page 409 WARNING: Do not use VCALC messages as the only means of either avoiding terrain/obstacles or following ATC guidance. VCALC provides advisory Utilities information only and must be used in concert with all other available navigation data sources. System Messages Symbols Appendix Index 14-3 190-01004-03 Rev. K Garmin GTN 625/635/650 Pilot’s Guide...
Page 410 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 14-4 Garmin GTN 625/635/650 Pilot’s Guide 190-01004-03 Rev. K...
Page 411: Altitude Type
2. Touching the Altitude Type key will toggle between MSL and Weather Above WPT. "Above WPT" is only available for waypoints that are airports. Nearest Services/ Music Utilities System Messages Symbols Appendix Index 14-5 190-01004-03 Rev. K Garmin GTN 625/635/650 Pilot’s Guide...
Page 412 System To Save Number Figure 14-8 Select VCALC Target Offset Messages 2. Use the numeric keypad to select the desired Target Offset and then touch the Enter key. Symbols Appendix Index 14-6 Garmin GTN 625/635/650 Pilot’s Guide 190-01004-03 Rev. K...
Page 413: Target Waypoint
2. A list of the remaining waypoints in the flight plan will be shown. Touch the desired waypoint to select it as the Target Utilities Waypoint. System Messages Symbols Appendix Index 14-7 190-01004-03 Rev. K Garmin GTN 625/635/650 Pilot’s Guide...
Page 414: Restore Vcalc Defaults
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 Weather Waypoint will not be changed. Nearest Services/ Music Utilities System Messages Symbols Appendix Index 14-8 Garmin GTN 625/635/650 Pilot’s Guide 190-01004-03 Rev. K...
Page 415 Set Departure Time Symbols To Current 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 14-9 190-01004-03 Rev. K Garmin GTN 625/635/650 Pilot’s Guide...
Page 416 3. Touch the Arrival Date key and select the date of arrival at the selected waypoint. Symbols 4. Touch the Arrival Time key and select the local time of expected arrival at the selected waypoint. Appendix Index 14-10 Garmin GTN 625/635/650 Pilot’s Guide 190-01004-03 Rev. K...
Page 417 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 14-11 190-01004-03 Rev. K Garmin GTN 625/635/650 Pilot’s Guide...
Page 418 Appendix ETA by adding to the departure time all of the ETEs of the legs up to Index and including the selected leg. If the entire flight plan is selected, then 14-12 Garmin GTN 625/635/650 Pilot’s Guide 190-01004-03 Rev. K...
Page 419 Departure Time and Data Input System Touch To Select Departure Date Messages Figure 14-15 Utility Trip Planning Page To Edit Input Data (Point-To-Point Mode) - Sensor Data Used Symbols Appendix Index 14-13 190-01004-03 Rev. K Garmin GTN 625/635/650 Pilot’s Guide...
Page 420 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 Index Figure 14-18 Selecting Departure Time 14-14 Garmin GTN 625/635/650 Pilot’s Guide 190-01004-03 Rev. K...
Page 421 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 14-15 190-01004-03 Rev. K Garmin GTN 625/635/650 Pilot’s Guide...
Page 422 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 14-16 Garmin GTN 625/635/650 Pilot’s Guide 190-01004-03 Rev. K...
Page 423 Symbols Previous FPL Leg 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) 14-17 190-01004-03 Rev. K Garmin GTN 625/635/650 Pilot’s Guide...
Page 424 Touch To Select Touch To Select Touch To Select Fuel on Board Fuel Flow Appendix Expected Average Ground Speed Index Figure 14-27 Utility Fuel Planning Page Showing Edit Input Data (Point-to-Point Mode) 14-18 Garmin GTN 625/635/650 Pilot’s Guide 190-01004-03 Rev. K...
Page 425 Messages Symbols Figure 14-30 Selecting Current Fuel On Board Appendix 7. Touch the Fuel Flow key and then use the keypad to select the average fuel flow and touch Enter. Index 14-19 190-01004-03 Rev. K Garmin GTN 625/635/650 Pilot’s Guide...
Page 426 Selected Ground Speed Value Direct-To Touch To Select Proc Ground Speed Value Wpt Info Figure 14-32 Selecting Ground Speed Traffic Terrain Weather Nearest Services/ Music Utilities System Messages Symbols Appendix Index 14-20 Garmin GTN 625/635/650 Pilot’s Guide 190-01004-03 Rev. K...
Page 427 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 14-21 190-01004-03 Rev. K Garmin GTN 625/635/650 Pilot’s Guide...
Page 428 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 14-22 Garmin GTN 625/635/650 Pilot’s Guide 190-01004-03 Rev. K...
Page 429 Winds Statistics Touch To Toggle Utilities Sensor Data Use Touch To Compute Data And View System Statistics Figure 14-38 Utility DALT/TAS/Winds Page Using Sensor Data and Indicated Altitude Messages Symbols Appendix Index 14-23 190-01004-03 Rev. K Garmin GTN 625/635/650 Pilot’s Guide...
Page 430 Barometric Pressure and then touch Enter. Messages Selected Touch To Clear Barometric Values Symbols Pressure Value Touch To Select Barometric Appendix Touch To Cancel Pressure Value Selection Index Figure 14-42 Select Barometric Pressure Value 14-24 Garmin GTN 625/635/650 Pilot’s Guide 190-01004-03 Rev. K...
Page 431 Utilities Selection Figure 14-45 Select Track Angle Value System 6. Touch the HDG key and then the keypad to select the Heading Messages value and then touch Enter. Symbols Appendix Index 14-25 190-01004-03 Rev. K Garmin GTN 625/635/650 Pilot’s Guide...
Page 432: Clean Screen Mode
Touch To Clean Screen Nearest Services/ Figure 14-47 Utilities Home Page Music 2. Touch the HOME key to exit Screen Cleaning Mode. Utilities System Messages Symbols Appendix Figure 14-48 Screen Cleaning Mode Index 14-26 Garmin GTN 625/635/650 Pilot’s Guide 190-01004-03 Rev. K...
Page 433 Services/ Music Touch To Select Touch To Enter Message Type Message Text Utilities Touch To Enter Message System Countdown Timer Figure 14-50 Create a Scheduled Message Messages Symbols Appendix Index 14-27 190-01004-03 Rev. K Garmin GTN 625/635/650 Pilot’s Guide...
Page 434: 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 (available online) and stored on the data card as “chklist.ace.” As each Checklist Proc is completed, you can advance to the next one in order. In the Checklist Menu,...
Page 435 2. After completing the Checklist, touch Go to Next Checklist, Terrain 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 14-29 190-01004-03 Rev. K Garmin GTN 625/635/650 Pilot’s Guide...
Page 436 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 14-30 Garmin GTN 625/635/650 Pilot’s Guide 190-01004-03 Rev. K...
Page 437 System function. Nearest 3. Touch the desired key to reach that function. To return to the Services/ System page, touch the Back key. Music Utilities System Messages Symbols Appendix Index 15-1 190-01004-03 Rev. K Garmin GTN 625/635/650 Pilot’s Guide...
Page 438 TAWS Alert Voice Utilities Manual Offset System Connext Setup ** Messages * - Available When Space Allows On Side Bar Symbols ** - Optional Figure 15-2 System Function Summary Appendix Index 15-2 Garmin GTN 625/635/650 Pilot’s Guide 190-01004-03 Rev. K...
Page 439 System Status Menu Database Info Weather Current Serial # & System ID Database SYNC Standby SW Versions Nearest Conflicts Services/ Music Figure 15-4 System Status Functional Diagram Utilities System Messages Symbols Appendix Index 15-3 190-01004-03 Rev. K Garmin GTN 625/635/650 Pilot’s Guide...
Page 440 Database SYNC function. Standby databases are listed for databases not currently System used, but available on the data card. Database conflicts will be shown in the Conflicts section. Messages Symbols Appendix Index 15-4 Garmin GTN 625/635/650 Pilot’s Guide 190-01004-03 Rev. K...
Page 441 2. Touch the Back key to return to the System Status page. Direct-To Proc NOTE: The data contained in the terrain and obstacle databases comes from government and private agencies. Garmin accurately processes and cross- Wpt Info validates the data, but cannot guarantee the accuracy and completeness of the data.
Page 442 • Aviation – The Navigation database is updated on a 28 day cycle. Navigation database updates are provided by Garmin and may be downloaded from the Garmin web site “http://fly.garmin.com” or from Jeppesen at "http://www.
Page 443: Airport Directory
Database Syncing. System Database SYNC is supported by these database types: Messages • Navigation Symbols • Obstacle • SafeTaxi Appendix • Airport Directory Index • Chartview (when support is added by Jeppesen) 15-7 190-01004-03 Rev. K Garmin GTN 625/635/650 Pilot’s Guide...
Page 444 2. Turn the GTN on. The Database SYNC will occur automatically in the background. During the Database SYNC process, normal Messages operation of the GTN is not affected. Symbols Appendix Index 15-8 Garmin GTN 625/635/650 Pilot’s Guide 190-01004-03 Rev. K...
Page 445 Direct-To Proc Wpt Info Figure 15-8 Database Pending Traffic Terrain Weather Nearest Figure 15-9 Database Transfer Complete Services/ Music Utilities System Messages Symbols Figure 15-10 Database Transfer Not Authorized Appendix Index 15-9 190-01004-03 Rev. K Garmin GTN 625/635/650 Pilot’s Guide...
Page 446 GMA 35 audio panel, or change com frequencies will be lost until Symbols all databases are updated. Appendix 7. When the unit restarts, the pilot will be prompted to update the GTN to the newly transferred databases. Index 15-10 Garmin GTN 625/635/650 Pilot’s Guide 190-01004-03 Rev. K...
Page 447 2. Touch OK at the prompt to confirm the enabling of Database SYNC. Traffic Terrain Weather Nearest Services/ Music Figure 15-14 Prompt to Continue Database Transfer Utilities System Messages Symbols Appendix Index 15-11 190-01004-03 Rev. K Garmin GTN 625/635/650 Pilot’s Guide...
Page 448 If the pilot does actually want to overwrite the active database with a not yet effective or out of date database, they can do so by pressing and holding the System small right knob while applying power to the GTN. Messages Symbols Appendix Index 15-12 Garmin GTN 625/635/650 Pilot’s Guide 190-01004-03 Rev. K...
Page 449 Traffic Figure 15-16 Database Conflicts Terrain 2. Touch OK at the prompt to continue conflict resolution. Weather Nearest Services/ Music Utilities Figure 15-17 Confirm Conflict Resolution System Messages Symbols Appendix Index 15-13 190-01004-03 Rev. K Garmin GTN 625/635/650 Pilot’s Guide...
Page 450 Conflicts field. Getting Started Audio & Xpdr Ctrl Com/Nav Figure 15-18 Database Conflicts Resolved (Initiated) Direct-To Proc Wpt Info Traffic Terrain Weather Nearest Services/ Music Utilities System Messages Symbols Appendix Index 15-14 Garmin GTN 625/635/650 Pilot’s Guide 190-01004-03 Rev. K...
Page 451: Gps Status
SBAS list is based on the Aviation database. See the Satellite- Messages Based Augmentation System section later in this section for details. Symbols 3. Touch the Back key to return to the System Status page. Appendix Index 15-15 190-01004-03 Rev. K Garmin GTN 625/635/650 Pilot’s Guide...
Page 452 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 15-16 Garmin GTN 625/635/650 Pilot’s Guide 190-01004-03 Rev. K...
Page 453 GTN as a primary means of navigation under FAR 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 Symbols web site, www.garmin.com.
Page 454: Satellite-Based Augmentation System (Sbas)
3. Touch the key for the desired SBAS provider. Terrain Weather Nearest Services/ Music Figure 15-20 SBAS Selection Page Utilities 4. Touch the Back key to return to the System Status page. System Messages Symbols Appendix Index 15-18 Garmin GTN 625/635/650 Pilot’s Guide 190-01004-03 Rev. K...
Page 455 Utilities Information Figure 15-22 External LRU Page System 2. When more information is available about the listed units, Messages touch the More Info key to view the information. Symbols Appendix Index 15-19 190-01004-03 Rev. K Garmin GTN 625/635/650 Pilot’s Guide...
Page 456 Touch the OK Utilities key to continue the operation. System Messages Symbols Figure 15-25 Loc Activation Appendix 4. Touch the Back key to return to the GDL Status page. Index 15-20 Garmin GTN 625/635/650 Pilot’s Guide 190-01004-03 Rev. K...
Page 457 Required Input data is available but does not meet the Unavailable to Run performance criteria or is not available due to Non- Utilities Computed Data (NCD) conditions. System Table 15-4 Traffic Application Status Messages Symbols Appendix Index 15-21 190-01004-03 Rev. K Garmin GTN 625/635/650 Pilot’s Guide...
Page 458 Status page. Nearest 4. Touch the Traffic App Status key to view the Traffic Application information. Services/ Music Utilities Traffic Status System Messages Figure 15-29 GDL 88 Traffic Information Symbols Appendix Index 15-22 Garmin GTN 625/635/650 Pilot’s Guide 190-01004-03 Rev. K...
Page 459 Wpt Info Registration display. Touch To Touch To Enter Register Access Code Traffic Current Terrain Registration Info Weather Figure 15-31 Connext Registration Page Nearest Services/ Music Utilities System Messages Symbols Appendix Index 15-23 190-01004-03 Rev. K Garmin GTN 625/635/650 Pilot’s Guide...
Page 460 Enable Crossfill Settings With Dual GTN Units Symbols Figure 15-33 System Setup Page Appendix 2. After making the desired selections, touch the Back key to return to the Setup page. Index 15-24 Garmin GTN 625/635/650 Pilot’s Guide 190-01004-03 Rev. K...
Page 461 Or, select “manual” to manually switch the external Appendix CDI connection, as needed (using the CDI key). If the unit is installed with a KAP140/KFC225 autopilot, automatic switching will not take place. Index 15-25 190-01004-03 Rev. K Garmin GTN 625/635/650 Pilot’s Guide...
Page 462 Selection. This feature enables the unit to automatically switch from Terrain GPS to VLOC on an ILS approach. See Procedures-ILS Approaches for more detail on ILS approaches. Weather Nearest Services/ Music Utilities System Messages Symbols Appendix Index 15-26 Garmin GTN 625/635/650 Pilot’s Guide 190-01004-03 Rev. K...
Page 463 12 hour, local 24 hour, or UTC time. Nearest Touch Key to Select Time Format Services/ Music Utilities Figure 15-37 Select System Time Format System 5. Touch the key for the desired time format. Messages Symbols Appendix Index 15-27 190-01004-03 Rev. K Garmin GTN 625/635/650 Pilot’s Guide...
Page 464: Nearest Airport Criteria
3. Touch Minimum Runway Length to display the keypad Messages for selecting the minimum runway length. Select the desired minimum runway length with the numeric keypad. A selection Symbols of "0" will allow any length. Appendix Index 15-28 Garmin GTN 625/635/650 Pilot’s Guide 190-01004-03 Rev. K...
Page 465: Com Channel Spacing
1. While viewing the System Setup page, touch the Com/Nav key. Terrain 2. Touch COM Channel Spacing to toggle between 8.33 kHz Weather and 25.0 kHz channel spacing. Nearest Services/ Music Utilities System Messages Symbols Appendix Index 15-29 190-01004-03 Rev. K Garmin GTN 625/635/650 Pilot’s Guide...
Page 466 The “+” Sign Indicates More Stations Associated Reverse Frequency With This Traffic Lookup Selected Frequency. Figure 15-41 Reverse Frequency Lookup Selected Terrain Weather Nearest Services/ Music Utilities System Messages Symbols Appendix Index 15-30 Garmin GTN 625/635/650 Pilot’s Guide 190-01004-03 Rev. K...
Page 467: Crossfill
- 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 15-31 190-01004-03 Rev. K Garmin GTN 625/635/650 Pilot’s Guide...
Page 468 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 Units Music Utilities Figure 15-43 Confirming Crossfill Selection System Messages Symbols Appendix Index 15-32 Garmin GTN 625/635/650 Pilot’s Guide 190-01004-03 Rev. K...
Page 469: Gtn-Gns Crossfilling
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 15-45 GTN-GNS Crossfill Appendix Index 15-33 190-01004-03 Rev. K Garmin GTN 625/635/650 Pilot’s Guide...
Page 470: Arrival
Enter. System Selected Proximity Value Messages Touch Key to Delete Values Symbols Use the Numeric Keypad to Select Appendix Proximity Value Index Figure 15-47 Arrival Alert Proximity Selection 15-34 Garmin GTN 625/635/650 Pilot’s Guide 190-01004-03 Rev. K...
Page 471: 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 15-35 190-01004-03 Rev. K Garmin GTN 625/635/650 Pilot’s Guide...
Page 472 3. Touch the Up or Down keys or touch the display and drag Messages your finger to scroll through the list. Touch the desired item to select it or touch the Back key to cancel selection. Symbols Appendix Index 15-36 Garmin GTN 625/635/650 Pilot’s Guide 190-01004-03 Rev. K...
Page 473 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 15-37 190-01004-03 Rev. K Garmin GTN 625/635/650 Pilot’s Guide...
Page 474 SiriusXM WX - Sirius XM WX Page Utilities - Utilities 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 15-38 Garmin GTN 625/635/650 Pilot’s Guide 190-01004-03 Rev. K...
Page 475 2. Touch the key for the desired units. A window with a list of unit values will appear. Touch the desired value on the list. Messages Symbols Appendix Figure 15-52 System Units Selection Windows Index 15-39 190-01004-03 Rev. K Garmin GTN 625/635/650 Pilot’s Guide...
Page 476 3. After User is selected, touch the Magnetic Variation key to Utilities set the value. System Touch To Set Manual Mag Var Messages User Nav Angle Selected Symbols Appendix Figure 15-54 Magnetic Variation is Available for Editing Index 15-40 Garmin GTN 625/635/650 Pilot’s Guide 190-01004-03 Rev. K...
Page 477: Position Format Selection
NOTE: The Position Format Selection function is available in SW Version Nearest 4.10, and later. Services/ Music Utilities System Messages MGRS Position Format Symbols Figure 15-56 MGRS Position Format Shown On Waypoint Info Page Appendix Index 15-41 190-01004-03 Rev. K Garmin GTN 625/635/650 Pilot’s Guide...
Page 478 2. Touch the Position Format key. Terrain Touch to select Weather Position Format Nearest Services/ Music Figure 15-59 Position Format Selection Utilities 3. Touch the desired Position format. System Messages Symbols Appendix Index 15-42 Garmin GTN 625/635/650 Pilot’s Guide 190-01004-03 Rev. K...
Page 479 Touch To Select Max System Voice Call Out Messages Symbols Touch To Select Voice Call Out Value Appendix Figure 15-61 Select Voice Call Out Value 6. Touch Back when complete. Index 15-43 190-01004-03 Rev. K Garmin GTN 625/635/650 Pilot’s Guide...
Page 480 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 15-44 Garmin GTN 625/635/650 Pilot’s Guide 190-01004-03 Rev. K...
Page 481 Flight Stream 210. This could be used if there are repeated erroneous attempts by a portable device application System to send flight plans to the GTN. Messages Symbols Appendix Index 15-45 190-01004-03 Rev. K Garmin GTN 625/635/650 Pilot’s Guide...
Page 482 GTN) it must be removed on the other device before a new pairing to that same device is established again. Essentially, pairing must be removed on System both devices before repairing. Messages Symbols Appendix Index 15-46 Garmin GTN 625/635/650 Pilot’s Guide 190-01004-03 Rev. K...
Page 483: Pairing A Device
Figure 15-66 Confirm Pairing With A New Device Nearest Selecting “Manage Paired Devices” opens a page that lists all of devices paired to the Flight Stream 210. Services/ Music Utilities System Messages Symbols Appendix Index 15-47 190-01004-03 Rev. K Garmin GTN 625/635/650 Pilot’s Guide...
Page 484 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 15-48 Garmin GTN 625/635/650 Pilot’s Guide 190-01004-03 Rev. K...
Page 485 No action is necessary; message is to enter an airspace informational only. Airspace entry Symbols type, within 10 minutes, in less than 10 for which alerts are minutes. Appendix configured. Index 16-1 190-01004-03 Rev. K Garmin GTN 625/635/650 Pilot’s Guide...
Page 486 ROL Press “Enable APR guidance is now mode. Engage the autopilot into Output” before Symbols available. approach mode. See Section 6.15 selecting APR on for additional information. autopilot. Appendix Index 16-2 Garmin GTN 625/635/650 Pilot’s Guide 190-01004-03 Rev. K...
Page 487 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. K Garmin GTN 625/635/650 Pilot’s Guide...
Page 488 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 Garmin GTN 625/635/650 Pilot’s Guide 190-01004-03 Rev. K...
Page 489 System DATABASE - The terrain or obstacle Re-load these databases on the database is missing or Messages external data card. Terrain or Obstacle corrupt. database not Symbols available. Appendix Index 16-5 190-01004-03 Rev. K Garmin GTN 625/635/650 Pilot’s Guide...
Page 490 DATALINK - FIS-B The FIS-B receiver is Contact dealer for service. reporting that it has weather has failed. System failed. The display of FIS-B products may be Messages unavailable. Symbols Appendix Index 16-6 Garmin GTN 625/635/650 Pilot’s Guide 190-01004-03 Rev. K...
Page 491 Utilities position. Check 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. K Garmin GTN 625/635/650 Pilot’s Guide...
Page 492 User settings such as Recheck settings. map detail level, nav Pilot stored data Symbols range ring on/off, traffic was lost. Recheck overlay on/off, and alert settings. Appendix settings have been lost. Index 16-8 Garmin GTN 625/635/650 Pilot’s Guide 190-01004-03 Rev. K...
Page 493 No action is necessary; message is Symbols new flight plan that is IMPORT - New informational only. available for preview by imported flight Appendix the pilot. plan(s) available for preview. Index 16-9 190-01004-03 Rev. K Garmin GTN 625/635/650 Pilot’s Guide...
Page 494 GNS have unique names before GTN user Messages one or more existing transferring to the GTN to avoid waypoint(s) waypoints on the GTN. overwriting existing waypoints. replaced with GNS Symbols user waypoints. Appendix Index 16-10 Garmin GTN 625/635/650 Pilot’s Guide 190-01004-03 Rev. K...
Page 495 Almanac battery. data may have been Messages lost. The unit will function normally, but Symbols may take a longer than normal period to Appendix acquire a GPS position. Index 16-11 190-01004-03 Rev. K Garmin GTN 625/635/650 Pilot’s Guide...
Page 496 GTN needs service. Symbols INTERNAL SD Internal SD card was Contact dealer for service. Appendix removed or failed. This CARD REMOVED - card is not accessible by GTN needs service. Index the user. 16-12 Garmin GTN 625/635/650 Pilot’s Guide 190-01004-03 Rev. K...
Page 497 GPS receiver or a non- Verify GPS reported a loss of GPS based source of navigation. position with Symbols integrity. Contact dealer for service if this other navigation message persists. equipment. Appendix Index 16-13 190-01004-03 Rev. K Garmin GTN 625/635/650 Pilot’s Guide...
Page 498 Utilities NAV ANGLE - Nav angle is set to True. No action is necessary; message is informational only. NAV Angles are System referenced to True Messages North (T). Symbols Appendix Index 16-14 Garmin GTN 625/635/650 Pilot’s Guide 190-01004-03 Rev. K...
Page 499 System position for at least 30 seconds. This input will Messages now be ignored. This input is not available in Symbols all installations. Appendix Index 16-15 190-01004-03 Rev. K Garmin GTN 625/635/650 Pilot’s Guide...
Page 500 Messages transfer key is position for at least 30 stuck. seconds. This input will Symbols now be ignored. This input is not available in Appendix all installations. Index 16-16 Garmin GTN 625/635/650 Pilot’s Guide 190-01004-03 Rev. K...
Page 501 Remote go around pressed position for key is stuck. at least 30 seconds. System This input will now be ignored. This input Messages is not available in all installations. Symbols Appendix Index 16-17 190-01004-03 Rev. K Garmin GTN 625/635/650 Pilot’s Guide...
Page 502 Set the CDI/HSI selected course to on the CDI/HSI does the current desired track. Set course on CDI/ Messages not match the current HSI to [current desired track. DTK]. Symbols Appendix Index 16-18 Garmin GTN 625/635/650 Pilot’s Guide 190-01004-03 Rev. K...
Page 503 System audio alerts. TIMER - A user-configured timer No action is necessary; message is Messages has expired. informational only. Timer has expired. Symbols Appendix Index 16-19 190-01004-03 Rev. K Garmin GTN 625/635/650 Pilot’s Guide...
Page 504 Traffic device is is not receiving data inoperative or Messages from it. Traffic will not connection to GTN be displayed on the is lost. Symbols GTN. Appendix Index 16-20 Garmin GTN 625/635/650 Pilot’s Guide 190-01004-03 Rev. K...
Page 505 GTN with ATC. Contact dealer for 1 OR 2 - Messages that it needs service. service. Transponder 1 or 2 The transponder may needs service. Symbols continue to function. Appendix Index 16-21 190-01004-03 Rev. K Garmin GTN 625/635/650 Pilot’s Guide...
Page 506 True North (T). reference. System USER WAYPOINT All user waypoints No action is necessary; message is informational only. IMPORT - User were imported Messages waypoints successfully. were imported Symbols successfully. Appendix Index 16-22 Garmin GTN 625/635/650 Pilot’s Guide 190-01004-03 Rev. K...
Page 507 Messages VLOC RECEIVER - The nav radio is Use GPS based navigation. Contact not communicating dealer for service. Navigation receiver Symbols property with the has failed. system. Appendix Index 16-23 190-01004-03 Rev. K Garmin GTN 625/635/650 Pilot’s Guide...
Page 508 WGS84 datum, or their reference datum is Traffic unknown. If this is the case, this message is displayed. Garmin cannot determine exactly how close the non-WGS84 referenced waypoint will be to the WGS84 Terrain datum that the GTN uses.
Page 509: Map Page Symbols
Intersection LOM (compass locator at outer marker) Nearest NDB (Non-directional Radio Beacon) Services/ Music VOR/DME Utilities ILS/DME or DME-only System VORTAC TACAN Messages Table 17-1 Map Page Symbols Symbols Appendix Index 17-1 190-01004-03 Rev. K Garmin GTN 625/635/650 Pilot’s Guide...
Page 510: Safetaxi Symbols
17.3 Traffic Symbols TIS Symbol Description Non-Threat Traffic Traffic Terrain Traffic Advisory (TA) Weather Traffic Advisory Off Scale Table 17-3 TIS Symbols Nearest Services/ Music Utilities System Messages Symbols Appendix Index 17-2 Garmin GTN 625/635/650 Pilot’s Guide 190-01004-03 Rev. K...
Page 511 Traffic Advisory System Proximity Advisory Messages (color may be configured as cyan) Other Traffic Symbols (color may be configured as cyan) Appendix Out-of-Range Traffic Advisory Index Table 17-6 9900BX (TCAS) Symbols 17-3 190-01004-03 Rev. K Garmin GTN 625/635/650 Pilot’s Guide...
Page 512 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 17-4 Garmin GTN 625/635/650 Pilot’s Guide 190-01004-03 Rev. K...
Page 513: Terrain Obstacle Symbols
Obstacle is between 250 ft and 0 ft 250 ft below the aircraft altitude (Yellow) System Obstacle is 250 ft, or more, Messages below the aircraft altitude (White) Figure 17-2 HTAWS Obstacle Altitude Correlation Symbols Appendix Index 17-5 190-01004-03 Rev. K Garmin GTN 625/635/650 Pilot’s Guide...
Page 514 US Highway Terrain National Highway - 2-digit drawn inside Weather Nearest Small City or Town Services/ Music Medium City Utilities Large City System Table 17-10 Basemap Symbols Messages Symbols Appendix Index 17-6 Garmin GTN 625/635/650 Pilot’s Guide 190-01004-03 Rev. K...
Page 515: Map Tool Bar Symbols
Traffic Enabled and Not Available Indicator Nearest Table 17-11 Map Tool Bar Symbols Services/ Music 17.8 Miscellaneous Symbols Utilities Symbol Description System Low-Wing Prop (Default Ownship) Messages High-Wing Prop Symbols Kit Plane Appendix Turboprop Index 17-7 190-01004-03 Rev. K Garmin GTN 625/635/650 Pilot’s Guide...
Page 516 Class D Airspace Symbols User Waypoint Appendix Table 17-12 Miscellaneous Symbols NOTE: Ownship icons are configured by the installer and can be colored Index magenta for enhanced visibility (Software version 5.12 or later). 17-8 Garmin GTN 625/635/650 Pilot’s Guide 190-01004-03 Rev. K...
Page 517: Stormscope Symbols
Time Since Strike (Seconds) Getting Started Audio & Xpdr Ctrl Com/Nav Direct-To Proc Table 17-13 Stormscope Symbols Wpt Info Traffic Terrain Weather Nearest Services/ Music Utilities System Messages Symbols Appendix Index 17-9 190-01004-03 Rev. K Garmin GTN 625/635/650 Pilot’s Guide...
Page 518 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 17-10 Garmin GTN 625/635/650 Pilot’s Guide 190-01004-03 Rev. K...
Page 519 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. K Garmin GTN 625/635/650 Pilot’s Guide...
Page 520 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 Garmin GTN 625/635/650 Pilot’s Guide 190-01004-03 Rev. K...
Page 521 GPS Roll Steering Ground Speed The velocity that the aircraft is travelling relative to a Symbols ground position Ground Track see Track Appendix Garmin Reference System Ground Speed Garmin Transponder Index 18-3 190-01004-03 Rev. K Garmin GTN 625/635/650 Pilot’s Guide...
Page 522 The portion of a flight plan between two waypoints LIFR Low Instrument Flight Rules Symbols LNAV Lateral Navigation localizer Appendix loss of integrity (GPS) longitude Index Localizer Performance with Vertical guidance 18-4 Garmin GTN 625/635/650 Pilot’s Guide 190-01004-03 Rev. K...
Page 523 Music MVFR Marginal Visual Flight Rules Utilities navigation System NAVAID NAVigation AID Negative Climb Rate Messages Non-Directional Beacon NEXRAD Next Generation Radar Symbols Appendix Outside Air Temperature Omni Bearing Selector Index 18-5 190-01004-03 Rev. K Garmin GTN 625/635/650 Pilot’s Guide...
Page 524 Standard Instrument Approach Procedures Standard Instrument Departure System SIGMET Significant Meteorological Information SLP/SKD slip/skid Messages SMBL symbol speed Symbols SRVC, SVC service STAR Standard Terminal Arrival Route Appendix STATS statistics STBY standby Index standard 18-6 Garmin GTN 625/635/650 Pilot’s Guide 190-01004-03 Rev. K...
Page 525 Coordinated Universal Time UTM/UPS Universal Transverse Mercator/ Universal Polar System Stereographic Grid Messages V, Vspeed velocity (airspeed) Symbols variation Visual Flight Rules Appendix Very High Frequency VLOC VOR/Localizer Receiver Index Visual Meteorological Conditions 18-7 190-01004-03 Rev. K Garmin GTN 625/635/650 Pilot’s Guide...
Page 526: Vertical Navigation
Wide Area Augmentation System WGS-84 World Geodetic System - 1984 waypoint(s) weather Direct-To Proc XPDR transponder cross-track Wpt Info Traffic Terrain Weather Nearest Services/ Music Utilities System Messages Symbols Appendix Index 18-8 Garmin GTN 625/635/650 Pilot’s Guide 190-01004-03 Rev. K...
Page 527: Sd Card Use And Databases
Traffic memory into internal memory Table 18-1 Database List Terrain Weather More information about databases and updates can be found at: Nearest https://fly.garmin.com/fly-garmin/support. Services/ Music Utilities System Messages Symbols Appendix Index 18-9 190-01004-03 Rev. K Garmin GTN 625/635/650 Pilot’s Guide...
Page 528 Jeppesen Databases Foreword The navigation database is updated on a 28-day cycle. Navigation database Getting updates are provided by Garmin and may be downloaded from the Garmin web Started site “fly.garmin.com” onto a Garmin provided Supplemental Data card. Contact Audio &...
Page 529 Figure 18-1 SD Card Database Location The Garmin databases can be updated by following the instructions on fly. garmin.com. Once the updated files have been downloaded from the web site, a Traffic PC equipped with an appropriate SD card reader is used to unpack and program the new databases onto the existing Supplemental Data Cards.
Page 530 - Make sure it is plugged directly into your computer (the back of the Nearest computer, if using a desktop computer). • If you accidentally place a file onto the wrong card, call Garmin’ s Aviation Services/ Music Product Support team to look at the files and delete the proper files...
Page 531: Updating Garmin Databases
7. Check that all databases are current and there are no errors. If a database is Traffic highlighted in yellow, it is either expired or the GTN 6XX can not determine the date. Terrain Weather Nearest Services/ Music Utilities System Messages Symbols Appendix Index 18-13 190-01004-03 Rev. K Garmin GTN 625/635/650 Pilot’s Guide...
Page 532 Demo Setup functions. Weather Nearest Services/ Music Touch For GPS Settings Utilities System Touch For NAV Settings Messages Touch For Date And Time Settings Symbols Figure 18-3 Demo Mode Setup Appendix Index 18-14 Garmin GTN 625/635/650 Pilot’s Guide 190-01004-03 Rev. K...
Page 533 Vertical Speed Weather Touch To Select Altitude Touch To Select Nearest Airspeed Services/ Music Touch To Select Track Mode Utilities Figure 18-5 Demo Mode Navigation Settings System Messages Symbols Appendix Index 18-15 190-01004-03 Rev. K Garmin GTN 625/635/650 Pilot’s Guide...
Page 534 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 18-16 Garmin GTN 625/635/650 Pilot’s Guide 190-01004-03 Rev. K...
Page 535 5. If all applicable tasks in Table 18-1 respond in the same way with and without a glove then the glove used to complete these tasks may be used by the pilot Index 18-17 190-01004-03 Rev. K Garmin GTN 625/635/650 Pilot’s Guide...
Page 536 Touch the COM standby frequency to activate the Same Worse com frequency entry keypad (Task applicable to Symbols 635/650/750 only). Enter a valid com frequency and touch the Enter key Same Worse Appendix (635/650/750 only). Index 18-18 Garmin GTN 625/635/650 Pilot’s Guide 190-01004-03 Rev. K...
Page 537 Insert KSPB between KMMV and BTG by dragging the Same Worse leg between KMMV and BTG to KSPB. Utilities Table 18-3 Tests Not Required for Glove Qualification System Messages Symbols Appendix Index 18-19 190-01004-03 Rev. K Garmin GTN 625/635/650 Pilot’s Guide...
Page 538 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 18-20 Garmin GTN 625/635/650 Pilot’s Guide 190-01004-03 Rev. K...
Page 539 Catalog 4-3, 4-21, 4-26 Altitude type 14-5 Appendix Category 13-5 Annunciations 1-6, 1-19, 6-2, 9-10, 9-11, Cautions iii, 10-11, 10-11, 10-15, 8-29, 9-16, 9-17, 10-8, 10-14, 10-21, 10-40, 10-41 Index 10-60 Index-1 190-01004-03 Rev. K Garmin GTN 625/635/650 Pilot’s Guide...
Page 540 ENR 6-3 Cycle number 1-6, 8-40 EPU 15-15, 15-17 Symbols Cyclone 11-7, 11-20 European airways 8-22 Excessive Closure Rate 10-52 Appendix Excessive descent rate alert 10-16, 10-17, 10-49 Index Expiration time 11-39 Index-2 Garmin GTN 625/635/650 Pilot’s Guide 190-01004-03 Rev. K...
Page 541 Flight plan menu 4-21 11-49, 15-21, 15-46, 15-48, 18-3 Flight Stream 4-33, 15-45 Traffic Flight timers 14-9 Flood 11-8 Hail 11-10, 11-11 fly.garmin 10-2, 11-33, 15-6, 18-9, 18- Haze 11-8 Terrain 10, 18-11 HDOP 15-15 Fog 11-8 Heading 9-5, 9-14, 10-12...
Page 542 LP approach 6-3, 6-16 Symbols LP +V 6-16 LPV Approach 6-3, 6-16 National Weather Service 11-9, 11-48 Appendix L/VNAV 6-16 Nav angle 15-39, 15-40 Navigation database 15-6, 18-10 Index Navigation map 8-39 Index-4 Garmin GTN 625/635/650 Pilot’s Guide 190-01004-03 Rev. K...
Page 543 Registration vii Parking area 17-2 Remote frequency control 3-12, 1-16 Appendix Part Sun 11-8 Remove FPL waypoint 4-7 Phone call 13-12 Reverse frequency look-up 3-12, 15-30 Phone volume 13-15 Revisions vii Index Index-5 190-01004-03 Rev. K Garmin GTN 625/635/650 Pilot’s Guide...
Page 544 Snow 11-8, 11-11 TCAD 9900BX 9-25, 9-34 Software version 13-9, 15-3 TCAS 9-4, 9-21 Appendix Special Use Airspace 12-1 Temperature 11-8, 15-39 Speed 10-18, 10-50 Temporary 7-16 Squawk code 2-6 TERM 6-3 Index Index-6 Garmin GTN 625/635/650 Pilot’s Guide 190-01004-03 Rev. K...
Page 545 47, 11-48, 11-51 Under construction 17-2 Winds 14-23 Appendix Units 1-12, 15-39 Winds aloft 11-7, 11-24, 11-39, 11-47, 11-51, 11-61 Universal Transverse Mercator 15-41 Winds aloft altitude 11-47 User-defined hold 4-12, 5-8 Index Index-7 190-01004-03 Rev. K Garmin GTN 625/635/650 Pilot’s Guide...
Page 546 XM radio volume 13-7 XM Satellite Radio 13-2 XM troubleshooting 13-9 XM weather 13-3 Direct-To Zulu 15-27 Proc Wpt Info Traffic Terrain Weather Nearest Services/ Music Utilities System Messages Symbols Appendix Index Index-8 Garmin GTN 625/635/650 Pilot’s Guide 190-01004-03 Rev. K...
Page 548 © 2016 GARMIN Corporation GARMIN International, Inc. 1200 East 151 Street, Olathe, Kansas 66062, U.S.A. Tel. 913/397.8200 or 800/800.1020 Fax 913/397.8282 Garmin AT, Inc. 2345 Turner Rd., S.E., Salem, Oregon 97302, U.S.A. Tel. 503/581.8101 or 800/525.6726 Fax. 503/364.2138 Garmin (Europe) Ltd.

This manual is also suitable for:

Gtn 635 Gtn 650

Garmin GTN 625 Pilot's Manual

1 Getting Started

15 System

Appendix

2 Audio and Transponder Controls (Optional)

3 Nav/Com

Appendix

4 Flight Plans

Appendix

9 Traffic

10 Terrain

12 Nearest

13 Services/Music

Quick Links

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Summary of Contents for Garmin GTN 625