Pilot's Guide

Garmin G1000 Pilot’s Guide for the Hawker Beechcraft C90A/GT/GTi
190-00663-02 Rev. B
448
AUTOMATIC FLIGHT CONTROL SYSTEM
7.7 AFCS ANNUNCIATIONS AND ALERTS
AFCS STATUS ALERTS
TheannunciationsinTable7-5(listedin order ofincreasingpriority) canappearonthePFDsabove the
Airspeed and Attitude indicators. Only one annunciation may occur at a time, and messages are prioritized by
criticality.
Figure 7-51 AFCS Status Annunciation
AFCS Status
Annunciation
Alert 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 Damper Failure YD control failure
Roll Failure Roll axis control failure; AP and YD inoperative
Pitch Failure Pitch axis control failure; AP and YD inoperative
System Failure AP and MEPT are unavailable; FD may still be available, but YD inoperative
Preflight Test
Performing preflight system test; aural alert sounds at completion
Do not press the AP/YD 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
Table 7-5 AFCS Status Alerts