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with a canopy lock depending on type of aircraft.
2-15. JETTISON. Jettisoning is another method of
opening the canopy. A handle for this purpose is located
on the exterior of the aircraft, either left or right
under the canopy sill and so identified. The handle is
normally concealed behind a hinged access door and
is normally red or yellow and black in color. The trajectory
of the canopy is normally up and aft under conditions
with no wind. Personnel selecting canopy jettison
need to stand forward of this trajectory while making
sure that the impact area is vacated by all personnel.
During adverse conditions, the canopy can impact the
aircraft, causing possible damage to fuel cells thus increasing
the fire hazard as fuel is exposed to fire. Under
these conditions, all considerations for canopy jettison
can not be overlooked.
The ejection seat is armed at all times during
flight and should be considered armed until
safetied. Be sure to clear impact area when
jettisoning canopies - DEATH or INJURY can
occur from falling jettisoned devices. Keep in
mind when jettisoning a canopy, the jettisoned
canopy may impact and damage other aircraft
that are parked in the vicinity. Never jettison a
canopy in a covered area such as a hanger,
radar or inspection dock.
WARNING
2-3
TO 00-105E-9
2-16. PREVENTION OF SUFFOCATION.
2-17. To eliminate the possibility of crew member suffocation
from lack of oxygen due to a damaged system
or other obstruction to the air passage, fire protection
personnel must act expeditiously during aircraft
ground emergency conditions. As soon as crew members
are reached, immediately disconnect their oxygen
face masks and hoses. IF A PRESSURE SUIT IS
BEING WORN, DEPRESSURIZE THE SUIT BEFORE
OPENING THE FACEPLATE. These procedures will
be followed except when an oxygen mask or faceplate
would provide additional fire, fumes, or heat exposure
to the crew member. Refer to Figure 2-3 for depressurization
of pressure suits and faceplates; Figure 2-4
for disconnecting oxygen masks; and Figure 2-5 for
disconnecting oxygen hoses.
2-18. REMOVAL OF PERSONNEL FROM SEAT.
2-19. In order to accomplish rescue of personnel involved
in an aircraft incident, they must be removed
from their seats. Seat restraints may range from a
simple lap belt in transport aircraft, to shoulder harness,
lap belt systems and leg and arm restraints. More
sophisticated systems are employed in high performance
aircraft.
2-20. SEAT RESTRAINT EQUIPMENT.
2-21. To restrain personnel in their seats, four systems
are employed as follows:
a. Lap belt.
b. Lap belt and shoulder harness combination.
c. Integrated torso harness, including a crotch strap.
d. Leg and arm restraints.
2-22. The lap belt is a belt provided across the lap,
which when secured, restrains personnel in the seat.
The safety belt in an automobile operates on the same
principle.
2-23. The lap belt and shoulder harness combination
provides a lap belt and two shoulder harness straps,one
over each shoulder. The shoulder harness straps fit
into the lap securing fitting. Addition of the shoulder
harness straps prevents the upper part of the body from
being thrown forward in event of a crash. To release
lap belt and shoulder harness straps from the locked
position after a G force lock, pull harness release handle
or inertia reel release handle upward. The lap belt and
shoulder harness straps tension will be released. A
lapbelt fitting and shoulder straps fittings are provided
for quick manual release from the crew member.
2-24. The standard military parachute harness can be
removed by releasing three ejector release fittings. One
fitting snaps across the chest of the wearer, and one
snaps across each leg at the thigh. When leg and
chest straps are unhooked, the harness and all attached
gear can be slipped off the shoulder of the wearer. See
Figure 2-7.
2-25. TORSO HARNESS SUIT AND TORSO HARNESS.
2-26. The integrated torso harness suit and torso harness,
see Figure 2-8 and 2-9, are designed for use in
military aircraft with integrated parachute/restraint harness
systems. In comparison with the standard restraint
(lap belt and shoulder harness) and the parachute
harness system, the integrated system improves
comfort, mobility, and retention; provides better donning
and doffing features; and reduces the number of
fittings used to release the parachute and accomplish
seat separation. See Figure 2-8.
2-27. Three different type release fittings are used on
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