DA 42 NG AFM Airplane Description
Doc. No. 7.01.16-E Rev. 3 01-Apr-2014 Page 7 - 75
7.14.2 AUTOMATIC FLIGHT CONTROL SYSTEM ANNUNCIATIONS AND
ALERTS
Automatic Flight Control System (AFCS) Status Alerts
The following annunciations can appear on the PFD above the airspeed and attitude
indicators. Only one annunciation occurs at a time, and messages are priorized by
criticality.
Warning Alerts on the Automatic Flight Control System (AFCS)
Warning Alerts Meaning / Cause
PFT
PREFLIGHT TEST - Preflight system test failed; aural alert
sounds at failure.
AFCS
SYSTEM FAILURE - AP and MET are unavailable; FD may still
be available.
PTCH PITCH FAILURE - Pitch axis control failure; AP inoperative.
ROL ROLL FAILURE - Roll axis control failure; AP inoperative.
YAW
YAW DAMPER FAILURE - Yaw damper control failure; AP
inoperative.
PTRM
PITCH TRIM FAILURE (or stuck AP TRIM switch) - if AP
engaged, take control of the airplane and disengage AP. If AP
disengaged, move AP TRIM switches separately to release.
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