CESSNA
MODEL
172P
SECTION
7
AIN,PLANE
& SYSTEMS
DESCRIPTIONS
across the lap
by
pulling
upward on the
shoulder harness. Removal
is
accomplished
by
releasing
the
seat belt
buckle, which will allow
the
inertia reel
to
pull
the
harness inboard
of the
seat.
ENTRANCE
DOORS
AND
CABIN W¡NDOWS
Entry
to,
and exit
from the
airplane is
accomplished through either
of
two entry
doors, one
on each
side of the
cabin at the front seat
positions
(refer
to
Section 6 for
cabin
and cabin door
dimensions).
The doors
incorporate
a
recessed
extefior
door handle,
a
conventional interior
door
handle,
a key-operated
door lock
(left
door
only), a door stop mechanism,
and
an openable
window in
the left door.
An openable
rightdoorwindow
is
also available.
To
open the
doors from
outside the
airplane,
utilize
the recessed door
handle near
the
aft edge
of either door
by
grasping
the forward edge of
the
handle
and
pulling
outboard.
To close
or open the doors
from inside the
airplane,
use the
combination
door handle
and arm rest. The inside door
handle
has three
positions
and
a
placard
at its base
whicÌr
reads OPEN,
CLOSE,
and LOCK.
The
handle is
spring-loaded to the
CLOSE
(up)
position,
When the
door has
been
pulled
shut and latched,
lock it by
rotating
the door
handle forward
to the
LOCK
positÍon (flush
with the
arm
rest).
When
the handle
is rotated
to the
LOCK
position,
a,n over-center
action
will hold
it in that
position.
Both cabin
doprs should
be locked
prior
to flight,
and should
not
be opened intentionally
during flight.
NOTE
Accidental
opening
of a cabin
door in
flight
due
to im-
proper
closing
does not
constitute
a need to land the
airplane.
The
best
procedure
is to
set up the airplane in a
trimmed
condition
at approximately
75 KIAS, momentar-
ily shove
the
door
outward
stightly, and forcefully
close
and lock
the
door.
Exit from
the
airplane
is accomplished
by rotating the
doer handle
from
the LOCK
position,
past
the
CLOSE
position,
aft
to the OPEN
position
and
pushing
the door
open.
To lock the
airplane, lock the right cabin door
with
the inside
handle,
close
the left
cabin door, and
using the ignition key,
lock
the door.
The left
cabin
door is
equipped
with
an openable
window
which
is held
in
the closed
position
by a detent
equipped latch
on
the
lower
edge
of the
window
frame.
To
open the
window, rotate
the latch
upward.
The window is
equipped
with a
spring-Ioaded
retaining
arm which
will
help
rotate the
30
May
1980
7-15