Textron Cessna 172R - Page 403

CESSNA
MODEL
172R
SECTION
9
-
SUPPLEMENTS
SUPPLEMENT
7
-
FAA
APPROVED
SECTION
3
EMERGENCY
PROCEDURES
The
two
step
procedure
listed under
paragraph
1
should
be
among
the
basic
airplane
emergency
procedures
that
are
committed
to
memory.
It
is
important
that the
pilot
be
proficient
in
accomplishing
both
steps
without
reference
to
this manual.
1.
In
case
of
Autopilot
malfunction
(accomplish
Items
a.
and b.
simultaneously):
a.
Airplane
Control
Wheel
--
GRASP
FIRMLY
and
regain
aircraft
control.
b.
A/P
DISC Switch
--
PRESS
and
HOLD
throughout
recovery.
NOTE
The
AVIONICS
MASTER
switch
may
be used
as
an
alternate
means
of
removing
power
from
the
autopilot.
In
addition
to
the
above,
power
may
be
removed
with
the
Engage/Disengage
button
or
the
airplane
MASTER
switch.
If
necessary
perform
steps
a.
and b.
above,
then
turn
off
the
AVIONICS
MASTER
switch.
Primary
attitude,
airspeed,
directional and
altitude control
instruments
will
remain
operational
with
either
master
switch
OFF.
A
WARNING
•
DO NOT
ATTEMPT
TO
RE-ENGAGE
THE
■
AUTOPILOT
FOLLOWING
AN
AUTOPILOT
MALFUNCTION.
•
THE
PILOT
IN
COMMAND
MUST
■
CONTINUOUSLY
MONITOR
THE
AUTOPILOT
WHEN
IT
IS
ENGAGED,
AND
BE
PREPARED
TO
DISCONNECT
THE
AUTOPILOT
AND TAKE
IMMEDIATE
CORRECTIVE
ACTION
-
INCLUDING
MANUAL
CONTROL
OF
THE AIRPLANE
AND/OR
PERFORMANCE OF EMERGENCY
PROCEDURES
-
IF
AUTOPILOT OPERATION
IS
NOT
AS
EXPECTED OR
IF AIRPLANE
CONTROL
IS
NOT
MAINTAINED.
Revision
4
S7-11
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