Piper SENECA III - Page 266

SECTION
9
PIPER
AIRCRAFT
CORPORATION
SEPPLEMENT 4
PA-34-220T,
SENECA
III
SECTION 3
-
EMERGENCY
PROCEDURES
(a)
AUTOPlLOT
MALFUNCTlON
(1)
Emergency
Disengagement
of AP
-
Hold
the
Control
Wheel
firmly
and
press
the
AP
DISC¡TRIM
INTERRUPT
Switch.
(b)
ELECTRIC
TRIM
MALFUNCTION
(either
manual
electric
or
autotrim)
(1)
AP
DISC
TRIMlNTERRUPTSwitch-Pressandholddown
until
recovery
can
be
made.
(2)
RADIO
POWER Switch
-
OFF.
(3}
Aircraft
-
manually
retrim.
(4)
PITCH
TRIM
circuit
breaker
-
Pull.
(5)
RADIO
POWER
Switch
-
ON.
CAUTION
When
disconnecting
the
autogiilot
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).
tc)
ENGINE
FAlLURE
(COUPLED)
(!)
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
110 MPH/96
KTS lAS,
rapid
power
application
may
cause
a pro-
nounced
pitch
up
attitude
of 20°
.or
more.
REPORT:
VB-1110
ISSUED:
APRIIJ1,
1981
9-12
4.of-16
REVISED:
FEBRUARY
25,
1982