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PA-44-180, SEMINOLE
SEcTION 3 - EMERGENcy PROcEDURES
AUTOPILOT MALfUNcTION
In the event of an autopilot malfunction, or anytime the autopilot is not
performing as expected or commanded:
Aircraft Control ............................... Maintain by overpowering autopilot servos
AP DISC/TRIM INTER Switch ..........................................................DEPRESS
FD/AP MASTR Switch ................................................................................ OFF
AUTOPILOT Circuit Breaker (Row 3, Col. 2) ..........................................PULL
Do not re-engage the autopilot until the problem
has been identified and corrected.
Bank Angle and Altitude Loss During a Malfunction and Recovery:
a.
An autopilot or autotrim malfunction during climb, cruise, or descent,
with a three second delay in recovery initiation can produce up to a 60°
angle of bank and 340 ft. of altitude loss.
b.
An autopilot or autotrim malfunction during an approach (coupled or
uncoupled), maneuvering flight, or single engine approach with a one
second delay in recovery initiation can produce up to a 20° angle of bank
and 80 ft. of altitude loss.
Single Engine Operations:
a. Engine failure during an autopilot approach operation:
Disengage autopilot, conduct remainder of approach manually.
b. Engine failure during normal climb, cruise, descent:
Retrim aircraft, perform normal aircraft engine out procedures.
c. Maintain aircraft yaw trim throughout all single engine operation.
ISSUED: June 5, 2013
REVISED: October 27, 2014
NOTE
SEcTION 9
SUPPLEMENT 3
REPORT: VB-2307
3 of 16,
9-13
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