Piper ARCHER II - Section 3 - Emergency Procedures; AUTOPILOT MALFUNCTION; PITCH TRIM RUNAWAY

Some
emergency
situations
require
immediate
memorized
corrective
action.
SECTION
3
-
EMERGENCY
PROCEDURES
emergency
procedures
and
should
be
accomplished
wilhoul
the
aid
of
the
checklist.
AUTOPILOT
MALFUNCTION
/
PITCH
TRIM
RUNAWAY
If the airplane deviates unexpectedly from the planned flight path:
1.
2.
190-02291-07
Rev.
5
Control
Wheel
GRIP
FIRMLY
AP DISC
/
TRIM
INT
Button
PRESS AND
HOLD
(Be
prepared
for
high
elevator
control
forces)
Aircraft
Attitude
......
cesses
MAINTAIN
/
REGAIN
AIRCRAFT
CONTROL
NOTE
Do
not
release
lhe
AP
DISC
/
TRIM
INT
Button
until
after
pulling
the
AUTOPILOT
Circuit
Breaker.
Elevator
Trim...
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RE-TRIM
if
necessary
using
Elevator
Tab
Wheel
AUTOPILOT
Circuit
Breakel........ccccccesecssssecssenseerecesesesassecsnsessansensnsonesnarerseenesannenserenenneees
»
PULL
NOTE
Pulling
the
AUTOPILOT
circuit
breaker
will
render
the
autopilot
and
ESP
inoperalive.
AP
DISC
/
TRIM
INT
Button
RELEASE
WARNING
In
flight,
do
nol
overpower
the
autopilot.
The
trim
will
operate
in
the
direction
opposing
the
overpower
force,
which
will
result
in
large
out-of-trim
forces.
Do not attempt to re-engage the autopilot or use manual electric pitch trim until the cause of the
malfunction has been corrected.
These
steps
are
printed
in
bold
in
the
AFMS
—
GFC
500
Autopilot
in
Piper
PA-28
Series
Page
3-1