AUTOPILOT FAILURES – CAS CAUTION MESSAGES
CAS CAPTION FAILURE DESCRIPTION PROCEDURE
NAME
AW139-RFM-4D
1(2) TRIM FAIL Trim system failure on all axes while AP 1(2) has priority
(Trim Master)
AFCS TRIM FAILURE
1 P(R)(Y) TRIM FAIL Failure of Pitch (Roll) (Yaw) trim while AP 1 has priority PITCH, ROLL, YAW
TRIM FAIL
2 P(R)(Y) TRIM FAIL Failure of Pitch (Roll) (Yaw) trim while AP 2 has priority PITCH, ROLL, YAW
TRIM FAIL
MISTRIM Linear actuator(s) not centered MISTRIM
1(2) SAS DEGRADED Associated SAS degraded operation SAS DEGRADED
AFCS DEGRADED Associated SAS degraded operation SAS DEGRADED
1(2) AP TEST ABORT AP TEST aborted by pilot action or aircraft lifted off before
test completion AP TEST ABORT
COLLECTIVE FORCE TRIM OFF OR FAIL
When a FD collective mode is engaged and coupled and the collective trim
is switched OFF (CLTV/YAW TRIM switch on the Miscellaneous Control
Panel) or fails:
• a chime sound is generated
• the CLTV annunciation illuminates on the top left of the ADI display
• the CLTV/YAW OFF green advisory illuminates on the CAS
• Collective modes are available uncoupled only