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This is a short description of FlightGears default Head-up display (HUD), it could be (de)activated with the [h]-key. To change the brightness, press [Shift] + [h].
There are also two so called 'minimal' HUDs available which are accessible with [Shift] + [i], to return to default HUD press [i].
Features
Aileron
Airspeed
Currend speed relating to the ambient air in knot/knots (kt/kts) (1 kt = 1.852 km/h).
Altitude
Current altitude relating to sea-level in feet (ft) (1 ft = 30.48 cm).
Autopilot
If autopilot is activ the direction of the next waypoint is displayed as well as the next two and the last waypoint of the Autopilot > Route manager list.
Elevation
Current altitude above ground in feet. Relating to the location of the aircrafts radio altimeter therefore it's not zero if the aircraft is on the ground.
- No picture (yet), it's the next scale to the left of Altitude.
Elevator
G-load
Displays the g-force to the pilot in g - to avoid black-/redout.
- The value riding on top of the Airspeed indicator.
Heading
Direction of the aircraft relating to the geographical North pole in degree (360 degree scale).
Location
To change the coordinates-system, go to Autopilot > Set Lat/Lon-format.
Pitch
Like set with [Home] / [End].
- It's the left marker of the Elevator indicator.
Pitch ladder
Displays the aircrafts pitch relating to the grounds level/horizontal in degree. It's used as an artificial horizon.
- No image, the big ladder like looking indicator at the HUDs centre.
- Attitude indicator
Rudder
Thrust
Turn-bank-indicator
Further Informations
The basic setup of the above described default HUD is defined at
- $FG_ROOT/Huds/Default/default.xml
There is also a 'Runway projection' available which is, because of some issues, disabled by default.
Documentation can be found at
- $FG_ROOT/Docs/README.xmlhud