Garmin GTN 625 Flight Manual
  1. Manuals
  2. Brands
  3. Garmin Manuals
  4. GPS
  5. GTN 625
  6. Flight manual
Garmin GTN 625 Flight Manual

Garmin GTN 625 Flight Manual

Gps/sbas navigation system as installed in cessna 172r
Hide thumbs Also See for GTN 625:
Table of Contents

Advertisement

Quick Links

See also: User Manual , Installation Manual

Advertisement

Table of Contents
loading

Related Manuals for Garmin GTN 625

Summary of Contents for Garmin GTN 625

  • Page 2 20 & 21 Added limitations Section 3.2.10 Added Flight Stream 210 to procedure Section 4.1 Removed telephone audio deactivation procedure Section 7.5 Added wire obstacles Section 7.9 Added Flight Stream 190-01007-A2 Rev. 6 AFMS, Garmin GTN GPS/SBAS System Page ii FAA APPROVED...
  • Page 3 Added Search and Rescue autopilot note Added RNP 1.0 installation options Section 7 Added GMA 35c information Removed references to GDL 88 and replaced with generic ADS-B AFMS, Garmin GTN GPS/SBAS System 190-01007-A2 Rev. 6 FAA APPROVED Page iii...
  • Page 4 Fixed error Sections 2.29-2.31 New Sections Section 3.2.8 Reworded and added additional text Sections 3.2.9-3.2.13 New Sections Renumbered sections Section 4.7 New section Section 7.1 New revision numbers 190-01007-A2 Rev. 6 AFMS, Garmin GTN GPS/SBAS System Page iv FAA APPROVED...
  • Page 5 Description FAA Approved Number Section 7.9 Added Flight Stream Section 7.10 Reworded Table 4 Added PTC Section 7.19 Flight Stream 510 content added Sections 7.25-7.26 41-42 New sections AFMS, Garmin GTN GPS/SBAS System 190-01007-A2 Rev. 6 FAA APPROVED Page v...

  • Page 6: Table Of Contents

    2.29 Database Updates 2.30 Charts Database (Dual GTN7XX) 2.31 Automatic Speech Recognition Section 3. EMERGENCY PROCEDURES Emergency Procedures Abnormal Procedures Section 4. NORMAL PROCEDURES Unit Power On Before Takeoff 190-01007-A2 Rev. 6 AFMS, Garmin GTN GPS/SBAS System Page vi FAA APPROVED...
  • Page 7 (Optional) Power 7.10 Databases and Flight Plan Waypoints/Procedures 7.11 External Switches 7.12 Airspace Depiction and Alerts 7.13 Garmin ADS-B Traffic System Interface (Optional) 7.14 GWX 70 Weather Radar (Optional) 7.15 Charts (Optional) 7.16 Transponder Control (Optional) 7.17 Telephone Audio (Optional) 7.18 Depiction of Obstacles and Wires...

  • Page 8: Section 1. General

    The Garmin GTN navigation system is a GPS system with a Satellite Based Augmentation System (SBAS), comprised of one or more Garmin TSO-C146c GTN 625, 635, 650, 725, or 750 navigator(s) and one or more Garmin approved GPS/SBAS antenna(s). The GTN navigation system is installed in accordance with AC 20-138A.
  • Page 9 Figure 1 - GTN 750 Control and Display Layout Figure 2 - GTN 635/650 Control and Display Layout 190-01007-A2 Rev. 6 AFMS, Garmin GTN GPS/SBAS System Page 2 FAA APPROVED...

  • Page 10: System Capabilities

    (including those approaches titled “GPS”, “or GPS”, and “RNAV (GPS)” approaches). The Garmin GNSS navigation system is composed of the GTN navigator and antenna, and is approved for approach procedures with vertical guidance including “LPV” and “LNAV/VNAV” and without vertical guidance including “LP”...
  • Page 11 RNAV/RNAV-5 operations in accordance with AC 90-96A CHG 1. This does not constitute an operational approval. Garmin International holds an FAA Type 2 Letter of Acceptance (LOA) in accordance with AC 20-153 for database integrity, quality, and database management practices for the navigation database. Flight crew and operators can view the LOA status at FlyGarmin.com then select “Type 2 LOA Status.”...
  • Page 12 TSO-C146c. RNP scalability is not available. RNAV holding Available. Fixed radius transitions Not available in GTN. Time of arrival control (TOAC) Not available in GTN. AFMS, Garmin GTN GPS/SBAS System 190-01007-A2 Rev. 6 FAA APPROVED Page 5...

  • Page 13: Electronic Flight Bag

    Hazardous Obstacle Transmission wires HSI: Horizontal Situation Indicator IAP: Instrument Approach Procedure IFR: Instrument Flight Rules ILS: Instrument Landing System IMC: Instrument Meteorological Conditions LDA: Localizer Directional Aid 190-01007-A2 Rev. 6 AFMS, Garmin GTN GPS/SBAS System Page 6 FAA APPROVED...
  • Page 14 Terrain Awareness and Warning System TCAS: Traffic Collision Avoidance System TFR: Temporary Flight Restriction TIS: Traffic Information Service VHF: Very High Frequency VFR: Visual Flight Rules VLOC: VOR/Localizer VMC: Visual Meteorological Conditions AFMS, Garmin GTN GPS/SBAS System 190-01007-A2 Rev. 6 FAA APPROVED Page 7...
  • Page 15 VOR: VHF Omnidirectional Range VRP: Visual Reporting Point WAAS: Wide Area Augmentation System WFDE: WAAS Fault Data Exclusion XFR: Transfer 190-01007-A2 Rev. 6 AFMS, Garmin GTN GPS/SBAS System Page 8 FAA APPROVED...

  • Page 16: Section 2. Limitations

    Section 2. LIMITATIONS Cockpit Reference Guide The Garmin GTN 6XX or GTN 7XX Cockpit Reference Guide, part number and revision listed below (or later revisions), must be immediately available to the flight crew whenever navigation is predicated on the use of the GTN.

  • Page 17: Flight Planning

    This RAIM availability requirement is not necessary if SBAS coverage is confirmed to be available along the entire route of flight. The route planning and WFDE prediction program may be downloaded from the Garmin website on the internet. For information on using the WFDE Prediction Program, refer to Garmin WAAS FDE Prediction Program, part number 190-00643-01, ‘WFDE...

  • Page 18: System Use

    FAA Order 8400.33 for RNP-4 requirements, then the operation must be rescheduled when FDE is available. Both Garmin GPS navigation receivers must be operating and providing GPS navigation guidance for operations requiring RNP-4 performance. North Atlantic (NAT) Minimum Navigational Performance...

  • Page 19: Applicable System Software

    “GPS”, “or GPS”, and “RNAV (GPS)” instrument approaches using the Garmin navigation system are prohibited unless the flight crew verifies and uses the current navigation database. GPS based instrument approaches must be flown in accordance with an approved instrument approach procedure that is loaded from the navigation database.

  • Page 20: Ground Operations

    GPS, is not authorized with GPS navigation guidance. GPS guidance can only be used for approach procedures with GPS or RNAV in the procedure title. When using the Garmin VOR/LOC/GS receivers to fly the final approach segment, VOR/LOC/GS navigation data must be selected and presented on the CDI of the pilot flying.

  • Page 21: Barometric Setting

    Error for hand flown procedures with RF legs when the GTN installation complies with limitation set forth in Section 2.12 of this document. It is recommended to couple the autopilot for RF procedures, if available, but it is 190-01007-A2 Rev. 6 AFMS, Garmin GTN GPS/SBAS System Page 14 FAA APPROVED...

  • Page 22: Terrain Proximity Function (All Units)

    TAWS is installed. 2.16 Polar Operations Use of the GTN for primary navigation for latitudes above 89.00° N and below 89.00° S is prohibited. AFMS, Garmin GTN GPS/SBAS System 190-01007-A2 Rev. 6 FAA APPROVED Page 15...

  • Page 23: Datalink Weather Display (Optional)

    ® indicated by the “HDG N/A” label at the upper right corner of the StormScope page, strikes must be cleared after each heading change. 190-01007-A2 Rev. 6 AFMS, Garmin GTN GPS/SBAS System Page 16 FAA APPROVED...

  • Page 24: Flight Planner/Calculator Functions

    Glove Qualification Procedure located in the Pilot’s Guide/Cockpit Reference Guide has been successfully completed. The Glove Qualification Procedure is specific to a pilot / glove / GTN 725, 750 or GTN 625, 635, 650 combinations. 2.23 Demo Mode Demo mode may not be used in flight under any circumstances.

  • Page 25: Telephone Audio

    “Group Co-Pilot with Passenger” audio panel option shall not be activated. This option is found in the Intercom Setup Menu when a Garmin GMA 35 audio panel is installed. 2.27 Wire Obstacle Database Only the “Obstacle/HOT Line” database may be used. Use of the “Obstacle/Wire”...

  • Page 26: Section 3. Emergency Procedures

    TAWS annunciators external to the GTN may not indicate the exact threat causing the alert. Example: WIRE alerts may be annunciated as TERR or OBSTACLE on external devices. AFMS, Garmin GTN GPS/SBAS System 190-01007-A2 Rev. 6 FAA APPROVED Page 19...

  • Page 27: Abnormal Procedures

    The airplane symbol is removed from all maps. The map will remain centered at the last known position. “NO GPS POSITION” will be annunciated in the center of the map. 190-01007-A2 Rev. 6 AFMS, Garmin GTN GPS/SBAS System Page 20 FAA APPROVED...
  • Page 28 GTN 750 COM available. No other audio panel functions including aural alerting and the crew and passenger intercom will function. † Includes GMA 35 and GMA 35c Audio Panels AFMS, Garmin GTN GPS/SBAS System 190-01007-A2 Rev. 6 FAA APPROVED Page 21...
  • Page 29 HDG mode for heading legs. Map cannot be oriented to Heading Up. Overlaying traffic data from a TAS/TCAS I or Garmin ADS-B-IN unit interfaced to an on board traffic system will not be displayed on the main map display.
  • Page 30 In the event of a GTN restart in the air, the crew should utilize the CANCEL button if presented with the database update screen after the GTN is restarted. This will ensure restoration of the navigation functions as soon as possible. AFMS, Garmin GTN GPS/SBAS System 190-01007-A2 Rev. 6 FAA APPROVED...

  • Page 31: Section 4. Normal Procedures

    The GTN requires a reasonable degree of familiarity to avoid becoming too engrossed at the expense of basic instrument flying in IMC and basic see-and- avoid in VMC. Garmin provides training tools with the Pilot’s Guide and PC based simulator. Pilots should take full advantage of these training tools to enhance system familiarization.

  • Page 32: Hsi And Ehsi Operation

    GTN roll steering to fly heading legs with the autopilot. For autopilot operating instructions, refer to the FAA approved Flight Manual or Flight Manual Supplement for the autopilot. AFMS, Garmin GTN GPS/SBAS System 190-01007-A2 Rev. 6 FAA APPROVED Page 25...

  • Page 33: Coupling The Autopilot During Approaches

    GTN will enable vertical guidance. Vertical Guidance ........CONFIRM AVAILABLE Autopilot ..........ENGAGE APPROACH MODE The installation does not support any vertical capture or vertical tracking. 190-01007-A2 Rev. 6 AFMS, Garmin GTN GPS/SBAS System Page 26 FAA APPROVED...

  • Page 34: Coupling The Autopilot During Search And Rescue Operations

    NOTE The databases on the receiving LRU will be overwritten by the databases from the LRU from which the “Resolve Conflicts” action was initiated. AFMS, Garmin GTN GPS/SBAS System 190-01007-A2 Rev. 6 FAA APPROVED Page 27...

  • Page 35: Section 5. Performance

    Section 5. PERFORMANCE No change. Section 6. WEIGHT AND BALANCE See current weight and balance data. 190-01007-A2 Rev. 6 AFMS, Garmin GTN GPS/SBAS System Page 28 FAA APPROVED...

  • Page 36: Section 7. System Descriptions

    Section 7. SYSTEM DESCRIPTIONS Pilot’s Guide The Garmin GTN 6XX or GTN 7XX Pilot’s Guide, part number and revision listed below, contain additional information regarding GTN system description, control and function. The Pilot’s Guides do not need to be immediately available to the flight crew.

  • Page 37: Terrain Proximity And Taws

    Obstacles and wires between 1,000 feet and 100 feet below the aircraft are depicted as amber. Obstacles and wires within 100 feet below the aircraft, or above the aircraft, are depicted as red. 190-01007-A2 Rev. 6 AFMS, Garmin GTN GPS/SBAS System Page 30...

  • Page 38: Gma 35/35C Audio Panel (Optional)

    The Garmin GTN 6XX or GTN 7XX Cockpit Reference Guide or Garmin GTN 6XX or GTN 7XX Pilot’s Guide provides additional information regarding terrain and obstacle colors and grouped obstacle icons.

  • Page 39: Stormscope ® (Optional)

    Power to the optional Flight Stream 210 is provided through a circuit breaker labeled BT LINK. Power to the optional Flight Stream 510 is provided through the GTN MMC/SD card slot and protected via the GTN circuit breaker. 190-01007-A2 Rev. 6 AFMS, Garmin GTN GPS/SBAS System Page 32...

  • Page 40: Databases And Flight Plan Waypoints/Procedures

    The locked waypoint/procedure must be resolved by removing or replacing it with the correct waypoint/procedures in the flight plan before the system will provide navigation. AFMS, Garmin GTN GPS/SBAS System 190-01007-A2 Rev. 6 Page 33...

  • Page 41: External Switches

    NOTE Smart Airspace and Airspace Alerts are separate features. Turning on/off Smart Airspace does not affect Airspace Alerts, and vice versa. 190-01007-A2 Rev. 6 AFMS, Garmin GTN GPS/SBAS System Page 34...

  • Page 42: Garmin Ads-B Traffic System Interface (Optional)

    7.13 Garmin ADS-B Traffic System Interface (Optional) A Garmin ADS-B traffic system may be interfaced to the GTN. The nose of the ownship symbol on both the GTN main map page and dedicated traffic page serves as the actual location of your aircraft. The center of the traffic target icon serves as the reported location for the target aircraft.

  • Page 43: Gwx 70 Weather Radar (Optional)

    7.16 Transponder Control (Optional) The GTN can be interfaced to a Garmin transponder for control and display of squawk code, mode, and additional transponder functions. The activation of the “Enable ES” button on the transponder page does not indicate the aircraft is in full compliance with an ADS-B Out solution in accordance with TSO-C166b (1090ES).

  • Page 44: Depiction Of Obstacles And Wires

    The Map page may be configured by the pilot to not show any obstacles or wires at any zoom scale. Figure 4 – Obstacle Overlay Icon (Left), Wire Overlay Icon (Right) AFMS, Garmin GTN GPS/SBAS System 190-01007-A2 Rev. 6 Page 37...

  • Page 45: Flight Stream 210/510 (Optional)

    Flight Stream which will then be available on the GTN. Limitations regarding database operations are found in Section 2.29. Garmin provides a list of tested and compatible devices that can be used with the Flight Stream. Connection to the Flight Stream may be possible with devices other than those on the supported device list, but Bluetooth®...

  • Page 46: Map Page

    Time and Distance data to the next waypoint is always calculated from the present position to that waypoint and does not account for the path which may be flown (such as intercepting a course) to reach the waypoint. AFMS, Garmin GTN GPS/SBAS System 190-01007-A2 Rev. 6 Page 39...

  • Page 47: Gtn-Gtn Crossfill

    Direct-To is available. Some entries in the flight plan such as Holds and Course Reversals are not eligible for Direct-To and the pilot must instead select the associated waypoint if Direct-To operation is desired. 190-01007-A2 Rev. 6 AFMS, Garmin GTN GPS/SBAS System Page 40...

  • Page 48: Automatic Speech Recognition (Asr)

    If a conflict exists between information gathered via ASR and that available in the GTN system, the pilot should defer to the GTN system information. AFMS, Garmin GTN GPS/SBAS System 190-01007-A2 Rev. 6 Page 41...

  • Page 49: European Visual Reporting Points

    VRP on the MFD map. If the database on the PFD/MFD does not contain the VRP, the VRP will display on the MFD map as an intersection. 190-01007-A2 Rev. 6 AFMS, Garmin GTN GPS/SBAS System Page 42...

This manual is also suitable for:

Gtn 635Gtn 650Gtn 725Gtn 750

Table of Contents