Control Locks - Cessna 172R Operating Handbook

SECTION 7
AIRPLANE SYSTEMS DESCRIPTION
&
Accidental opening of a cabin door in flight due to improper
closing does
best procedure is to set
condition
door outward slightly, and forcefully close and lock the door.
Exit
from
handle the LOCK position, past
from
OPEN position and pushing the door open. To lock the airplane,
lock the right cabin door with the inside
and using the ignition key, lock the door.
door,
The left and right cabin doors are equipped with
windows which are held in the closed position by
latch on the lower edge of the window frame. To
|
latch upward. Each window is equipped with a spring-
rotate the
loaded retaining arm which will help rotate the window outward, and
hold it there. If required, either window may be opened
up
speed to 163
of the fixed type

CONTROL LOCKS

A control lock is provided
surfaces to prevent damage to these systems by wind buffeting
while the airplane is parked. The lock consists of a shaped steel rod
and flag. The flag identifies the control lock and cautions about its
removal before starting the engine. To install the control lock, align
the hole in the top of
the top of the shaft collar on the
into the aligned holes.
in a neutral position and the elevators in a slightly trailing edge
down position. Proper installation
switch. In areas where high or
the ignition
control surface lock should be installed over the vertical stabilizer
and rudder. The control lock and any other
should be removed prior
7-18
not constitute a need to land the airplane. The
approximately 75 KIAS, momentarily shove the
at
the airplane is accomplished by rotating the door
KIAS. The rear side windows and rear windows are
and cannot be opened.
the pilot's control wheel shaft with the hole in
Installation of the lock will secure the ailerons
starting the engine.
to
NOTE
up the airplane in a
the CLOSE position, aft to the
handle, close the left
to lock the aileron
instrument panel and insert the
of the lock
CESSNA
MODEL 172R
trimmed
openableÿ6***)
a detent equipped
open
the windows,
elevator control
and
will place the flag over
winds occur,
gusty
type of locking device
Feb 28/00
1
cabin
/ÿ***N
'
any.
at
rod
a