Piper SENECA III - Page 270

SECTION 9
PIPER
AIRCRAFT
CORPORATION
SUPPLEMENT 4
PA-34-220T,
SENECA
III
MAND AL
PITCH TRIM
-
Manual
Electric Pitch
Trimisactivated
by
a
dual
action
type
switch
that
requires
both
parts
to
be
moved
simultaneously
for
actuating
up or
down
trim
commands.
Operation
of the manual
electric
pitch
trim switch
will
disengage
the
AP
lever
switch
on
the
Mode
Controller
(except
when
CWS
switch
is held
depressed
as
previously
noted).
GA
-
The
Go
Around
switch
is
located
on
the
left
throttle
and the
operation
of
the
switch
will indicate
a
fixed
angle
of climb
of
6°
on
the
FDI,
Selection
of
the
GA
Mode
when
in APPR
or
NAV
CPLD
Mode
will
disengage
the
mode
and
revert
to
the
FD Mode
(wings
level)
for lateral
steering. The AP,
if
engaged,
will
disengage.
However,
the AP
may
be
engaged/re-engaged
with
the
GA Mode
selected
and
will
follow
the
FDI
pitch command
to
climb
at
the
fixed
angle.
NOTE
The
flight
control
system
incorporates
its
own
annunciator
panel
which
is located
on
the
instrument
panel.
The modes
and
indications
given
on
the
annunciator
panel
are
placarded
on
the
face
of the
lenses
and
illuminate
when
the
respective
modes
are
active.
The
switches
on
the
mode
selector
are
the push-on,
push-off
type.
When
engaged, the
corresponding
flight
director
autopilot
annunciator
light
illumi-
nates.
The V-bars
on
the
flight
director
indicator
will
disappear
to
the
bottom
of
the
instrument
when
a
flight
director mode
is
not
engaged.
The
V-bars
must
be
in
view
before
the
autopilot
can
be
engaged.
(0
BEFORE
ENGAGING
FLIGHT
CONTROL SYSTEM
(1)
Check
that
all
circuit breakers
for
the
system
are
in.
(2-)
Allow
sufficient time
for
gyros
to
come
up
to
speed and
system
warm-up
(3-4
minutes).
REPORT:
VB-1110
ISSUED: APRIL 21,
1981
9-26.
8 of
l6
REVISED:
FEBRUARY
25,
1982