Some of the FMS have a navigation mode called Dead Reckoning mode (DR), computing airspeed, heading, wind data ground speed and time. This mode is:
Domanda 57, Aircraft General Knowledge - Instrumentation - ATPL - Airline Transport Pilot license
| A navigation mode used to monitor the FMS position. |
| An operating mode used to intercept radials To or From a flight plan waypoint. |
| The normal navigation mode for FMS which do not use Inertial navigation Systems INS to compute the aircraft position. |
| A back up navigation mode to compute a FMS position when the other navigation sensors are no longer operating. |
