Cessna 172R - Page 441

CESSNA
MODEL
172R
SECTION
9
-
SUPPLEMENTS
SUPPLEMENT
15
-
FAA
APPROVED
SECTION
3
EMERGENCY
PROCEDURES
'
The
four
step
procedure
listed under
paragraph
A
should be
among
the
basic
airplane
emergency
procedures
that
are
committed
to
memory.
It
is
important
that the
pilot
be
proficient
in
accomplishing
all
four
steps
without
reference
to
this
manual.
1.
In
case
of
Autopilot,
Autopilot
Trim,
or
Manual Electric
Trim
malfunction
(accomplish
Items
A
and
B
simultaneously):
A.
Airplane
Control
Wheel
--
GRASP
FIRMLY
and
regain
aircraft
control.
B.
A/P
DISC/TRIM
INT
Switch
-
PRESS
and
HOLD
throughout
recovery.
C.
AIRCRAFT
-
RE-TRIM
Manually
as
Needed.
D.
AUTO
PILOT Circuit
Breaker
-
PULL.
NOTE
The
AVIONICS MASTER
Switch
may
be used
as an
alternate
means
of
removing
all electric
power
from
the
autopilot
and electric
trim
systems.
If
necessary
perform
steps
1A
through
1C
above,
then
turn
the
AVIONICS
MASTER
Switch
OFF
before
locating
and
pulling
the
AUTO
PILOT
Circuit
Breaker.
Turn the
AVIONICS MASTER
Switch
on as soon as
possible
to
restore
power
to
all
other
avionics
equipment.
Primary
attitude,
airspeed,
directional
compass,
and altitude instruments
will
remain
operational
at
all times.
A
WARNING
DO
NOT
ATTEMPT
TO RE-ENGAGE
THE
AUTOPILOT
FOLLOWING
AN
AUTOPILOT,
AUTOTRIM,
OR
MANUAL
ELECTRIC
TRIM
MALFUNCTION
UNTIL
THE
CAUSE
FOR
THE
MALFUNCTION
HAS
BEEN
CORRECTED.
Maximum
Altitude
losses
due
to
autopilot
malfunction:
CONFIGURATION
ALT.
LOSS
Cruise,
Climb,
Descent
Maneuvering
Approach
350
ft.
100
ft.
90
ft.
Original
Issue
S15-15