Piper SENECA III - Page 282

SECTION 9
PIPER
AIRCRAFT
CORPORATION
SUPPLEMENT
5
PA-34-220T,
SENECA
III
SECTION 3
-
EMERGENCY PROCEDURES
(a)
AUTOPlLOT
MALFUNCTION
(1) Emergency
Disengagement
of
AP
-
Hold
the
Control Wheel
firmly
and
press
the
AP DISC TRIM INTERRUPT Switch.
(b)
ELECTRlC
TRIM
MALFUNCTION
(either
manual electric
or
autotrim)
(1)
AP
DISC TRIM INTERRUPT
Switch
-
Press
and
hold
down
until
recovery
can
be
made.
(2)
RADIO POWER Switch -OFF.
(3)
Aircraft
-
manually retrim.
(4)
PlTCI+
TRIM circuit
breaker
-
PulL
(5)
RADIO
POWER
Switch
-
ON.
C.4UTION
When
disconnecting
the
autopilot after
a
trim
malfunction,
hold
the control wheel
firmly
(up
to
45
pounds
of force
on
the control wheel
may
be
necessary
to
hold the
aircraft
level).
c)
ENGlNE
FAlLURE
(COUPLED)
(1)
Disengage
AP.
(2) Follow
basic Airplane Flight Manual
engine
inoperative
procedures.
(3)
Airplane
rudder
and
aileron
axes
must
be
manually
trimmed
prior
to
engaging autopilot
for
engine
inoperative
operations.
CAUTION
If
rudder
and
aileron
trim
cannot
be
main-
tained
when
power
is
changed
during
a
single
engine
inoperative
coupled approach,
disen-
gage
autopilot
and
continue
approach
manually.
CAUTION
At
airspeeds
below
]10 MPH 96
KTS
IAS,
rapid
power
application
may.
cause a pro-
nounced
pitch
up
attitude
of
20°
or
more.
REPORT:
VBJHIO
ISSUED:
APRIL21,
1981
9-36,
4
of 16
REVISED:
FEBRTIARY
25, 1982