Piper SENECA III - Page 288

SECTION 9
PIPFR
AIRCRAFT
CORPORATION
SÙPPLEMENT
5
PA-34-220T
SENECA
III
NOTE
If the
autopilot circuit
breaker is
pulled.
the red
"TRIM"failure
light
on
theannunciator
panel
will be
disabled
and the audible warning win
continuously
sound
indicating
that the
failure
Ught is
disabled. In
this
event.
the
"Pitch frim"
circuit
breaker
should
be
pulled and
in-flight
trim
accomplished
by
using
the
manual
pitch
trim
wheet
(h)
IN-FLIGHT
OPERATION
(l) Engage
Procedure:
After
takeoff.
clean
up
airplane
and establish climb.
Monitor
flight
controls
and
engage
AP, I
he
pitch
attitude will
lock
on
any
attitude
up
to
IS°
pitch attitude. Engaging
and
holding
the
CWS
switch allows
the
pilot
to
momentarily
revert to
manual
controL
while
retaining his previous
modes
and
conveniently
resuming that
proTile
at
this
discretion.
)
Disengage
Procedure:
While
monitoring
the
flight
controls.
disengage
the
system
hy
one
of
the
following
rnethods:
depressing
the
pilot's
A
P DISC
TRIM
INTERRUPT
switch.
operation
of
the manual
trim
switch
or
by
the
operation of the
AP
engage
lever
on
the
Mode
Controller.
The
AP
light
on
the
annunciator
panel
will
flash
at
least
four
times
and
remain
off
and
an
audible warning
will
be heard
to
indicate
the
AP is
disengaged.
AP
Mode
(AP):
The AP
must
be
engaged
before
any
other mode
can
be
engaged.
The
AP Mode
alone
provides PAH
and
wings
level
control.
The AP
will
automatically
follow
any
other
mode
engaged.
Disengaging
the
AP disengages
all
other modes.
NOTE
The
"Vertical
Trim"
switch,
located
on
the
Mode
Controller,
may
be
used
to
trim the
command
pitch
attitude
at
a
rate
of
one
degree
per
second.
REPORT:
VB-1110
ISSUED:
APRIL
21,
1981
9-42,
10 of
16
REVISED:
SEPTEMBER
23. 1983