Cessna 172N - Page 121

CESSNA
MODEL
172N
SECTION
7
AIRPLANE & SYSTEMS
DESCRIPTIONS
and an openable
window
in the left
door.
An
openable right door window is
also arm.ilable.
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 which
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
position
(flush
with the arm
rest).
When the handle
is
rotated
to the
LOCK
position,
an
over-center
action
will hold it in
that
position.
Both
cabin doors
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
air-
plane.
The
best
procedure
is to
set
up
the
airplane
in
a
trimmed
condition
at approximately
75 knots,
momentar-
ily
shove
the
door
outward
slightly,
and forcefully
close
and
lock the
door.
Exit from the
airplane
is
accomplished by
rotating the door handle
from
the
LOCK
position, past
the CLOSE
position,
aft to the
OPEN
posi-
tion and
pushing
the
door open. To lock the airplane,
Iock
the right
cabin
door
with
the inside handle,
close the
left cabin
door,
and
using
the
igni-
tion key, Iock
the door.
The
left
cabin
door is
equipped with
an
openable
window which
is held
in
the
closed
position
by
a lock
button equipped over-center
latch on the
lower edge
of
the window frame.
To open
the
window,
depress
the
lock
button
and
rotate the latch
upward.
The
window
is
equipped
with
a
spring-
loaded
retaining
arm which
will help
rotate
the window
outward
and
hold
it
there.
An openable
window
is also available
for
the right
door,
and
func-
tions in
the
same
manner
as
the
left
window. If
required, either
window
may be opened
at
any
speed
up to 160
knots. The cabin top windows
(if
installed),
rear
side
windows,
and
rear windows are
of the
fixed type and
cannot be
opened.
c
oNTR
Ot
LOCKS
A
control
lock
is
provided
to lock
the
ailerons
and elevator
control
7
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