Cockpit Reference Guide

Garmin G1000 Cockpit Reference Guide for the Cessna Nav III
190-00384-11 Rev. A
13-4
SECTION 13 – ANNUNCIATIONS
& ALERTS
13.4 AFCS ALERTS
System Status Annunciation
The following alert annunciations appear in the AFCS
System Status Annunciation on the PFD.
Condition Annunciation Description
Pitch Failure Pitch axis control failure. AP is inoperative.
Roll Failure Roll axis control failure. AP is inoperative.
MET Switch Stuck, or
Pitch Trim Axis Control
Failure
If annunciated when AP is engaged, take control of the aircraft and disengage the autopilot. If
annunciated when AP is not engaged, move each half of the MET switch separately to check if a
stuck switch is causing the annunciation.
System Failure AP and MET are unavailable. FD may still be available.
Elevator Mistrim Up A condition has developed causing the pitch servo to provide a sustained force. Be prepared to
apply nose up control wheel force upon autopilot disconnect.
Elevator Mistrim Down A condition has developed causing the pitch servo to provide a sustained force. Be prepared to
apply nose down control wheel force upon autopilot disconnect.
Aileron Mistrim Left A condition has developed causing the roll servo to provide a sustained left force. Ensure the slip/
skid indicator is centered and observe any maximum fuel imbalance limits.
Aileron Mistrim Right A condition has developed causing the roll servo to provide a sustained right force. Ensure the
slip/skid indicator is centered and observe any maximum fuel imbalance limits.
Preflight Test Performing preflight system test. Upon completion of the test, the aural alert is heard.
Preflight system test has failed.
Figure 13-5 AFCS System Status Annunciation
System Status Annunciation