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LOG OF REVISIONS Page Revision Date Number Description FAA Approved Number 10/23/2013 Complete Supplement See page 1 190-01007-J4 Rev. 1 RFMS, Bell 407 GTN GPS/SBAS System Page 2 of 22 FAA APPROVED...
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). GTN system functions are shown in Table 1.
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Figure 1 - GTN 750 Control and Display Layout Figure 2 - GTN 635/650 Control and Display Layout 190-01007-J4 Rev. 1 RFMS, Bell 407 GTN GPS/SBAS System Page 6 of 22 FAA APPROVED...
Temporary Flight Restriction TIS: Traffic Information Service VCO: Voice Call Out VHF: Very High Frequency VFR: Visual Flight Rules VMC: Visual Meteorological Conditions XFR: Transfer RFMS, Bell 407 GTN GPS/SBAS System 190-01007-J4 Rev. 1 FAA APPROVED Page 7 of 22...
By itself, the terrain display may not provide either the accuracy or the fidelity on which to base decisions and plan maneuvers to avoid terrain or obstacles. 190-01007-J4 Rev. 1 RFMS, Bell 407 GTN GPS/SBAS System Page 8 of 22 FAA APPROVED...
The display of traffic is an aid to visual acquisition and shall not be utilized for aircraft maneuvering. Flight Planner/Calculator Functions The Fuel Planning page shall not be used as a means to determine actual fuel on board the aircraft. RFMS, Bell 407 GTN GPS/SBAS System 190-01007-J4 Rev. 1 FAA APPROVED Page 9 of 22...
Failure to turn off telephone audio when the telephone is not in use may result in telephone ringer or text message aural notifications being received during critical phases of flight. 190-01007-J4 Rev. 1 RFMS, Bell 407 GTN GPS/SBAS System Page 10 of 22 FAA APPROVED...
121.5, regardless of what frequency is displayed on the GTN. Certain failures of the tuning system will automatically tune 121.5 without flight crew action. 190-01007-J4 Rev. 1 RFMS, Bell 407 GTN GPS/SBAS System Page 12 of 22 FAA APPROVED...
Automatic leg sequencing of legs requiring an altitude source. The flight crew must manually sequence altitude legs, as prompted by the system. RFMS, Bell 407 GTN GPS/SBAS System 190-01007-J4 Rev. 1 FAA APPROVED Page 13 of 22...
Section 4. PERFORMANCE No change. Section 5. WEIGHT AND BALANCE See current weight and balance data. 190-01007-J4 Rev. 1 RFMS, Bell 407 GTN GPS/SBAS System Page 14 of 22 FAA APPROVED...
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.
No standardized recovery technique is defined as recovery maneuvers may vary. HTAWS protection is provided at groundspeeds above 30 knots. 190-01007-J4 Rev. 1 RFMS, Bell 407 GTN GPS/SBAS System Page 16 of 22...
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VCOs may be enabled by the pilot in 100ft increments from 500 feet above ground level to the surface. If a RFMS, Bell 407 GTN GPS/SBAS System 190-01007-J4 Rev. 1 Page 17 of 22...
Traffic shown on the display may or may not have traffic alerting available. Garmin GTN 6XX or GTN 7XX Cockpit Reference Guide or Garmin GTN 6XX or GTN 7XX Pilot’s Guide provides additional information regarding the functionality of the traffic device.
A TCAD traffic system is interfaced to the GTN. Datalinks (Optional) The GTN is configured for the following type of datalinks. The Garmin GTN 6XX or GTN 7XX Cockpit Reference Guide or Garmin GTN 6XX or GTN 7XX Pilot’s Guide provides additional information regarding the functionality of the datalink device.
Heading Up, Track Up, or North Up. When installed in an aircraft with a heading source the Heading Up orientation will be available and is recommended for use. 190-01007-J4 Rev. 1 RFMS, Bell 407 GTN GPS/SBAS System Page 20 of 22...
Some approach leg types will result in the fuel burn incorrectly calculated as zero which will be evident when a zero value is shown for the fuel burn for a leg. RFMS, Bell 407 GTN GPS/SBAS System 190-01007-J4 Rev. 1 Page 21 of 22...
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 Federal Aviation Regulation 91.227.