Garmin Bell 407 GTN User Manual

Also see for GTN 725: Maintenance manual Maintenance manual Maintenance manual Activation Instructions User manual

Contents

Garmin Bell 407 GTN User Manual Manual pdf 21 page image

RFMS, Bell 407 GTN GPS/SBAS System 190-01007-J4 Rev. 1Page 21 of 22When installed in an aircraft without a heading source or if Track Up orientationis selected the maps will be oriented as follows: Until a valid track is acquired after startup the track defaults to 360. When groundspeed is less than 5 knots the ownship icon is shown as anon-directional icon and the map orientation is latched at the last validtrack. When groundspeed is between 5 and 10 knots, the ownship icon isshown as a non-directional icon and the map orientation is oriented tothe current track. When groundspeed is in excess of 10 knots the ownship icon is adirectional icon oriented to track and the map is oriented to track.The Terrain Page will default to a Heading Up orientation if a heading datasource is installed or will orient to Track Up if no heading data is available.When oriented to Track Up the Terrain page operation is the same as previouslydescribed. When below 10 knots groundspeed and track up the Terrain Pagecannot be selected to Arc View.Airspace Depiction and AlertsThe GTN aides the flight crew in avoiding certain airspaces with Smart Airspaceand airspace alerts. Smart Airspace de-emphasizes depicted airspace that is notnear the aircraft’s current altitude. Airspace Alerts provide a message indicationto the flight crew when the aircraft’s current ground track will intercept anairspace type that has been selected for alerting.NOTESmart Airspace and Airspace Alerts are separate features.Turning on/off Smart Airspace does not affect AirspaceAlerts, and vice versa.Fuel Planning PageThe Fuel Planning page uses Fuel on Board or Fuel Flow as received from an onboard fuel totalizer, as entered by the pilot at system startup, or as entered by thepilot when on the Fuel Planning page. This is not a direct indication of actualaircraft fuel flow or fuel on board and those values are only used for the FuelPlanning page. The fuel required to destination is only a calculated andpredicted value based on the data entered into the planner. It is not a directindication of how much fuel the aircraft will have upon reaching the destination.Some approach leg types will result in the fuel burn incorrectly calculated aszero which will be evident when a zero value is shown for the fuel burn for aleg.

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