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Garmin GTN 625 Flight Manual

Summary of GTN 625

  • Page 1

    $fttob3 4&-5,.

  • Page 2

    190-01007-a2 rev. 6 afms, garmin gtn gps/sbas system page ii faa approved log of revisions page revision number date number description faa approved 1 03/18/11 all complete supplement robert grove oda stc unit administrator garmin international, inc. Oda-240087-ce date: 03/18/2011 2 12/18/12 see rev...

  • Page 3

    Afms, garmin gtn gps/sbas system 190-01007-a2 rev. 6 faa approved page iii log of revisions page revision number date number description faa approved 34 37 section 7.10 added wire obstacles section 7.17 added section 5 02/25/16 all all sections reformatted and updated sections to better coincide wit...

  • Page 4

    190-01007-a2 rev. 6 afms, garmin gtn gps/sbas system page iv faa approved log of revisions page revision number date number description faa approved added gwx 70 turbulence detection note added gtn crossfill information 6 09/09/16 1 5 6-8 9 12 12 12 18 18 22 23 27 29 table 1 added flight stream 510 ...

  • Page 5

    Afms, garmin gtn gps/sbas system 190-01007-a2 rev. 6 faa approved page v log of revisions page revision number date number description faa approved 32 33 34 38 41-42 section 7.9 added flight stream 510 section 7.10 reworded table 4 added ptc section 7.19 flight stream 510 content added sections 7.25...

  • Page 6

    190-01007-a2 rev. 6 afms, garmin gtn gps/sbas system page vi faa approved table of contents section page section 1. General 1 1.1 garmin gtn navigators 1 1.2 system capabilities 3 1.3 electronic flight bag 6 1.4 electronic checklists 6 1.5 definitions 6 section 2. Limitations 9 2.1 cockpit reference...

  • Page 7

    Afms, garmin gtn gps/sbas system 190-01007-a2 rev. 6 faa approved page vii 4.3 hsi and ehsi operation 25 4.4 autopilot operation 25 4.5 coupling the autopilot during approaches 26 4.6 coupling the autopilot during search and rescue operations 27 4.7 database conflict resolution 27 section 5. Perform...

  • Page 8

    Afms, garmin gtn gps/sbas system 190-01007-a2 rev. 6 faa approved page 1 section 1. General 1.1 garmin gtn navigators 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...

  • Page 9

    190-01007-a2 rev. 6 afms, garmin gtn gps/sbas system page 2 faa approved the gps navigation functions and optional vhf communication and navigation radio functions are operated by dedicated hard keys, a dual concentric rotary knob, or the touchscreen. Figure 1 - gtn 750 control and display layout fi...

  • Page 10

    Afms, garmin gtn gps/sbas system 190-01007-a2 rev. 6 faa approved page 3 1.2 system capabilities this flight manual supplement documents the installed capabilities of the gtn specific to the aircraft for which this manual is created. Note in sections which contain a square checkbox (□) the installer...

  • Page 11

    190-01007-a2 rev. 6 afms, garmin gtn gps/sbas system page 4 faa approved applicable to dual installations consisting of two garmin gnss units: the garmin gnss navigation system has been found to comply with the requirements for gps class ii oceanic and remote navigation (rnp-10) without time limitat...

  • Page 12

    Afms, garmin gtn gps/sbas system 190-01007-a2 rev. 6 faa approved page 5 advanced rnp capabilities the gtn includes 3 out of 6 of the features required for operations in airspace requiring advance rnp based on the icao document 9613 performance based navigation (pbn) manual, fourth edition, 2013 and...

  • Page 13

    190-01007-a2 rev. 6 afms, garmin gtn gps/sbas system page 6 faa approved 1.3 electronic flight bag the gtn 750/725 are operationally suitable as class 3 hardware, type b software in accordance with ac 120-76b efb electronic aeronautical information when using current flitechart or chartview data. Us...

  • Page 14

    Afms, garmin gtn gps/sbas system 190-01007-a2 rev. 6 faa approved page 7 lnav: lateral navigation lnav +v: lateral navigation with advisory vertical guidance l/vnav: lateral/vertical navigation loc: localizer loc-bc: localizer backcourse lp: localizer performance lpv: localizer performance with vert...

  • Page 15

    190-01007-a2 rev. 6 afms, garmin gtn gps/sbas system page 8 faa approved vor: vhf omnidirectional range vrp: visual reporting point waas: wide area augmentation system wfde: waas fault data exclusion xfr: transfer.

  • Page 16

    Afms, garmin gtn gps/sbas system 190-01007-a2 rev. 6 faa approved page 9 section 2. Limitations 2.1 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 nav...

  • Page 17

    190-01007-a2 rev. 6 afms, garmin gtn gps/sbas system page 10 faa approved 2.4 flight planning for flight planning purposes, in areas where sbas coverage is not available, the flight crew must check raim availability. Within the united states, raim availability can be determined using the garmin wfde...

  • Page 18

    Afms, garmin gtn gps/sbas system 190-01007-a2 rev. 6 faa approved page 11 with 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...

  • Page 19

    190-01007-a2 rev. 6 afms, garmin gtn gps/sbas system page 12 faa approved 2.6 applicable system software this afms/afm is applicable to the software versions shown in table 3. The main and gps software versions are displayed on the start-up page immediately after power-on. All software versions disp...

  • Page 20

    Afms, garmin gtn gps/sbas system 190-01007-a2 rev. 6 faa approved page 13 if the navigation database cycle will change during flight, the flight crew must ensure the accuracy of navigation data, including suitability of navigation facilities used to define the routes and procedures for flight. If an...

  • Page 21

    190-01007-a2 rev. 6 afms, garmin gtn gps/sbas system page 14 faa approved 2.11 barometric setting the barometric altimeter setting used for any barometric corrected altitude source interfaced to the gtn must be set appropriate to the altitude type depicted on the procedure (qnh or qfe). 2.12 rf legs...

  • Page 22

    Afms, garmin gtn gps/sbas system 190-01007-a2 rev. 6 faa approved page 15 not required to do so. See section 4.5 of this manual to determine if this capability is supported in this installation. 2.14 terrain proximity function (all units) terrain, point obstacle, and wire obstacle information appear...

  • Page 23

    190-01007-a2 rev. 6 afms, garmin gtn gps/sbas system page 16 faa approved 2.17 datalink weather display (optional) this limitation applies to datalink weather products from siriusxm via a gdl 69/69a, fis-b via a gdl 88 or gtx 345, and connext via a gsr 56. Do not use data link weather information fo...

  • Page 24

    Afms, garmin gtn gps/sbas system 190-01007-a2 rev. 6 faa approved page 17 2.20 flight planner/calculator functions the fuel planning page uses fuel on board or fuel flow as received from an on board fuel totalizer, as entered by the pilot at system startup, or as entered by the pilot when on the fue...

  • Page 25

    190-01007-a2 rev. 6 afms, garmin gtn gps/sbas system page 18 faa approved 2.25 telephone audio telephone audio must not be distributed to the pilot or co-pilot unless a phone call is active. Caution failure to turn off telephone audio when the telephone is not in use may result in telephone ringer o...

  • Page 26

    Afms, garmin gtn gps/sbas system 190-01007-a2 rev. 6 faa approved page 19 section 3. Emergency procedures 3.1 emergency procedures 3.1.1 taws warning red annunciator and aural “pull up”: autopilot ...................................................................................... Disconnect aircr...

  • Page 27

    190-01007-a2 rev. 6 afms, garmin gtn gps/sbas system page 20 faa approved 3.2 abnormal procedures 3.2.1 loss of gps/sbas navigation data when the gps/sbas receiver is inoperative or gps navigation information is not available or invalid, the gtn will enter one of two modes: dead reckoning mode (dr) ...

  • Page 28

    Afms, garmin gtn gps/sbas system 190-01007-a2 rev. 6 faa approved page 21 3.2.2 gps approach downgrade during a gps lpv, lp +v, lnav/vnav, or lnav +v approach, if gps accuracy requirements cannot be met by the gps receiver, the gtn will downgrade the approach. The downgrade will remove vertical devi...

  • Page 29

    190-01007-a2 rev. 6 afms, garmin gtn gps/sbas system page 22 faa approved 3.2.5 taws caution (terrain or obstacle ahead, sink rate, don’t sink) when a taws caution occurs, take corrective action until the alert ceases. Stop descending or initiate either a climb or a turn, or both as necessary, based...

  • Page 30

    Afms, garmin gtn gps/sbas system 190-01007-a2 rev. 6 faa approved page 23 3.2.9 asr (voice command) system failures in the event the asr system fails and there is a need to disable the voice command inputs to the gtn: to disable asr: home hardkey ........................................................

  • Page 31

    190-01007-a2 rev. 6 afms, garmin gtn gps/sbas system page 24 faa approved section 4. Normal procedures refer to the gtn cockpit reference guide defined in section 2.1 of this document or the pilot’s guide defined in section 7.1 for normal operating procedures and a complete list of system messages a...

  • Page 32

    Afms, garmin gtn gps/sbas system 190-01007-a2 rev. 6 faa approved page 25 4.3 hsi and ehsi operation if an hsi is used to display navigation data from the gtn the pilot should rotate the course pointer as prompted on the gtn. If an ehsi is used to display navigation data from the gtn the course poin...

  • Page 33

    190-01007-a2 rev. 6 afms, garmin gtn gps/sbas system page 26 faa approved 4.5 coupling the autopilot during approaches caution when the cdi source is changed on the gtn, autopilot mode may change. Confirm autopilot mode selection after cdi source change on the gtn. Refer to the faa approved flight m...

  • Page 34

    Afms, garmin gtn gps/sbas system 190-01007-a2 rev. 6 faa approved page 27 the gtn allows for the utilization of ifr procedures that include rf (radius to fix) legs as part of rnp 1.0 capabilities. This installation is equipped to support coupled rf leg navigation up to rnp 1.0. This installation is ...

  • Page 35

    190-01007-a2 rev. 6 afms, garmin gtn gps/sbas system page 28 faa approved section 5. Performance no change. Section 6. Weight and balance see current weight and balance data..

  • Page 36

    Afms, garmin gtn gps/sbas system 190-01007-a2 rev. 6 page 29 section 7. System descriptions 7.1 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 ...

  • Page 37

    190-01007-a2 rev. 6 afms, garmin gtn gps/sbas system page 30 7.5 terrain proximity and taws caution not all obstacles and wires are contained in the obstacle/hot line database. The system provides depiction (and alerts, if taws is installed) only for obstacles and wires contained in the database. No...

  • Page 38

    Afms, garmin gtn gps/sbas system 190-01007-a2 rev. 6 page 31 multiple obstacles may be depicted using a single obstacle icon and an asterisk to indicate obstacle grouping is occurring. The color of the asterisk indicates the relative altitude of the tallest obstacle in the group. The asterisk does n...

  • Page 39

    190-01007-a2 rev. 6 afms, garmin gtn gps/sbas system page 32 7.8 stormscope ® (optional) when optionally interfaced to a stormscope ® weather detection system, the gtn may be used to display the stormscope ® information. Weather information supplied by the stormscope ® will be displayed on the storm...

  • Page 40

    Afms, garmin gtn gps/sbas system 190-01007-a2 rev. 6 page 33 7.10 databases and flight plan waypoints/procedures database versions (or cycles) and effective dates are displayed on the start-up database verification page immediately after power-on for those databases with an effective or expiration d...

  • Page 41

    190-01007-a2 rev. 6 afms, garmin gtn gps/sbas system page 34 7.11 external switches external switches may be installed and interfaced to the gtn. These switches may be stand alone, or integrated with a taws or gps annunciator. Table 4 lists the switches and function they perform: switch label functi...

  • Page 42

    Afms, garmin gtn gps/sbas system 190-01007-a2 rev. 6 page 35 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...

  • Page 43

    190-01007-a2 rev. 6 afms, garmin gtn gps/sbas system page 36 7.14 gwx 70 weather radar (optional) the gwx 70 weather radar uses doppler technology to optionally provide advanced features to the flight crew such as turbulence detection and ground clutter suppression. Turbulence detection can detect t...

  • Page 44

    Afms, garmin gtn gps/sbas system 190-01007-a2 rev. 6 page 37 7.18 depiction of obstacles and wires 7.18.1 dedicated terrain page the dedicated terrain page will always depict point obstacles at zoom scales of 10 nm or less and depict wire obstacles at zoom scales of 5 nm or less. The obstacle or wir...

  • Page 45

    190-01007-a2 rev. 6 afms, garmin gtn gps/sbas system page 38 7.19 flight stream 210/510 (optional) the flight stream product line uses a wireless transceiver to provide data to and from a gtn to personal electronic devices (peds). The flight stream 210 is a remotely mounted unit that provides the ca...

  • Page 46

    Afms, garmin gtn gps/sbas system 190-01007-a2 rev. 6 page 39 7.20 map page 7.20.1 configuration the moving map and weather pages are capable of displaying a large quantity and variety of data. Map data is layered to ensure that data which is typically more critical is drawn above less critical data,...

  • Page 47

    190-01007-a2 rev. 6 afms, garmin gtn gps/sbas system page 40 when navigating using gps guidance most legs are to type legs where distance to the next waypoint decreases along the route. However, some procedures include from type legs. When navigating on a leg that is a from leg indications that it i...

  • Page 48

    Afms, garmin gtn gps/sbas system 190-01007-a2 rev. 6 page 41 7.25 automatic speech recognition (asr) asr allows the pilot to interact with the gma and gtn via voice commands. Commands are constructed around the “verb – noun – (suffix)” syntax for most asr commands. “show” commands – used to show pag...

  • Page 49

    190-01007-a2 rev. 6 afms, garmin gtn gps/sbas system page 42 prior to using asr, the pilot must complete the asr qualification procedure from the gtn cockpit reference guide. The command history page details the commands received by asr for that power cycle. A full list of commands and a tips for us...