BendixKing KFC 500 - Manual (Page 41)

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Emergency Procedures
The KFC 500 monitors autopilot
operations continuously through sen-
sors that monitor the aircraft’s pitch
attitude and acceleration, as well as
servo motor operation. If monitors in
the KFC 500 detect a problem, the
autopilot will disconnect, illuminate
an AP annunciation, and provide an
aural disconnect tone.
In event of autopilot or flight
director malfunction, pay primary
attention to basic aircraft control
prior to attempting to diagnose the
exact nature or cause of system fail-
ure. Do not reengage a malfunc-
tioning autopilot until after it has
been serviced.
The approved Flight Manual
Procedures take precedent over the
following procedures.
Autopilot Emergencies
In the event of an autopilot mal-
function, the flight crew should
immediately execute the following
procedures:
1. Helicopter Controls — GRASP
AND REGAIN AIRCRAFT CON-
TROL.
2. PRESS AND HOLD the Force
Trim Release Switch — located on
the cyclic. Autopilot and yaw damper
will be inhibited and Force Trim will
be interrupted.
3. While HOLDING the Force Trim
Release Switch — Select the AP
and/or YD "OFF" on the KMS 540
Mode Select Panel.
4. Move the AP Master to the "OFF"
position.
5. After the autopilot has been disen-
gaged, DO NOT REENGAGE the
failed autopilot. Resume normal
manual flight operations.
6. Refer to the Rotorcraft Flight
Manual Supplement for additional
procedures.