Textron Aviation Cessna 172S NAV III Skyhawk SP, Information Manual

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CESSNA SECTION 9 - SUPPLEMENTS
MODEL 172S NAV III SUPPLEMENT 3
KAP 140 AUTOPILOT
U.S.
FAA APPROVED
EMERGENCY PROCEDURES
(Continued)
AMPLIFIED EMERGENCY PROCEDURES
(Continued)
Effects of equipment failure on autopilot operation:
1. Failure of Attitude Indicator - No effect on autopilot.
2. Failure of AHRS - The autopilot will function only in ROL mode.
3. Failure of DC Turn Coordinator - Autopilot will disengage or will
not engage.
4. Failure of HSI - If HSI fails to function correctly, no heading
signal will be available, so the autopilot HDG, NAV, APR and
REV modes will not function correctly. Only ROL mode will
function correctly.
5. Failure of the Transponder Pressure Altitude Encoder - The
Altitude Alert and Altitude Preselect functions will not operate
correctly (gray code signal not available).
6. Failure of the No. 2 GIA 63 Integrated Avionics Unit: If the No. 2
GIA 63 unit fails, the autopilot will function only in ROL mode.
7. Failure of the GMA 1347 Audio Panel - No aural annunciator
(Electronic sound or aural tone) will be heard when the autopilot
disengages.
172SPHAUS-S3-01 S3-19
For
Training
Purposes
Only