Textron Cessna 172R - Page 451

CESSNA
MODEL
172R
SECTION
9
-
SUPPLEMENTS
SUPPLEMENT
15
-
FAA
APPROVED
NOTE
Avoid
autopilot
engagement
into
a
climb
condition that
either
cannot
be
maintained,
or
is
on
the
performance
limits
of
the
airplane
for
its
power
and
weight
configuration.
c.
AP
Button
--
PRESS*,
or
PRESS
and
HOLD**.
Note
ROL
and
VS
annunciator
on.
If
no
other modes
are
selected the
autopilot
will
operate
in
the
ROL
and
VS
modes.
A
WARNING
WHEN
OPERATING
AT
OR
NEAR
THE
BEST
RATE
OF
CLIMB
AIRSPEED,
AT
CLIMB POWER
SETTINGS,
AND
USING
VERTICAL
SPEED
(VS)
MODE,
CONTINUED OPERATION
IN
VERTICAL
SPEED
MODE CAN
RESULT
IN AN
AIRPLANE
STALL.
IF
NECESSARY,
DISCONNECT
THE
AUTO PILOT
AND
RETURN
THE AIRPLANE
TO
A
STABILIZED
CLIMB PRIOR TO RE-ENGAGMENT.
A
WARNING
WHEN
OPERATING
AT
OR
NEAR THE
MAXIMUM
AUTOPILOT
SPEED,
IT
WILL
BE
NECESSARY
TO
REDUCE POWER
IN
ORDER
TO
MAINTAIN THE
DESIRED
RATE
OF
DESCENT
AND
NOT
EXCEED
THE
MAXIMUM
AUTOPILOT
SPEED.
A
WARNING
DO NOT
HELP THE
AUTOPILOT
OR
HAND-FLY
THE AIRPLANE
WITH
THE
AUTOPILOT
ENGAGED
AS
THE
AUTOPILOT
WILL
RUN
THE
PITCH
TRIM
TO
OPPOSE
CONTROL
WHEEL
MOVEMENT.
A
MISTRIM
OF
THE
AIRPLANE,
WITH
ACCOMPANYING
LARGE
ELEVATOR
CONTROL
FORCES,
MAY
RESULT
IF
THE
PILOT
MANIPULATES
THE
CONTROL
WHEEL
MANUALLY
WHILE THE
AUTOPILOT
IS
ENGAGED.
*
Airplane
serials
17280831
thru
17281118
not
incorporating!
Honeywell
Service
Bulletin
KC140-M1.
**
Airplane
serials
17280831
thru
17281118
incorporating!
Honeywell
Service
Bulletin
KC140-M1,
and
airplane
serials
17281119
and
on.
Revision
2
S
15-23
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