190-00709-00 Rev. A
Garmin G1000 Pilot’s Guide for the Socata TBM 850
A-19
APPENDIX A
AFCS ALERTS
Figure A-5 AFCS System Status Field
System Status Field
The following alert annunciations appear in the AFCS System Status field on the PFD.
Condition
Annunciation Description
Rudder Mistrim
Right
Yaw servo providing sustained force in the indicated direction
Rudder Mistrim Left
Aileron Mistrim
Right
Roll servo providing sustained force in the indicated direction
Aileron Mistrim Left
Elevator Mistrim
Down
Pitch servo providing sustained force in the indicated direction
Elevator Mistrim Up
Pitch Trim Failure
(or stuck
MEPT
Switch)
If AP engaged, take control of the aircraft and disengage AP
If AP disengaged, move
MEPT
switches separately to unstick
Yaw Trim Failure
(or stuck
MEYT
Switch)
If AP engaged, take control of the aircraft and disengage AP
If AP disengaged, move the
MEYT
switch to unstick
Yaw Damper Failure
YD control failure; AP still operative
Roll Failure
Roll axis control failure; AP inoperative
Pitch Failure
Pitch axis control failure; AP inoperative
System Failure
AP and MEPT are unavailable; FD may still be available
Preflight Test
Performing preflight system test; aural alert sounds at completion
Do not press the
AP DISC
Switch during servo power-up and preflight system tests
as this may cause the preflight system test to fail or never to start (if servos fail their
power-up tests). Power must be cycled to the servos to remedy the situation.
Preflight system test failed; aural alert sounds at failure
NOTE:
Do not press the
AP DISC
switch during servo power-up and preflight system tests as this may cause
the preflight system test to fail or never to start (if servos fail their power-up tests). Power must be cycled
to the servos to remedy the situation.
