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is to ensure the survival of occupants.)
b. The term “LAND AS SOON AS PRACTICABLE”
is defined as landing at a suitable landing area. (The
primary consideration is the urgency of the emergency.)
c. The term AUTOROTATE is defined as adjusting
the flight controls as necessary to establish an autorotational
descent.
l
l
When shutting down an engine
that has malfunctioned in flight, it
is important to identify the malfunctioning
engine to avoid shutting
the wrong engine down.
Monitor TGT after shutdown. If
TGT rises above 540 °C, or there is
evidence of combustion as indicated
by a rapid rise in TGT, place
the engine START switch in IGN
OVRD position and motor engine
until TGT decreases below 540 °C.
d. The term "EMER ENG SHUTDOWN" is defined
as engine shutdown without delay. Engine shutdown in
flight is usually not an immediate-action item unless a
fire exists. Before attempting an engine shutdown,
identify the affected engine by checking engine-out
warning lights, torque meters, TGT indicators, NG, Np,
and engine oil pressure indicators.
e. Other terms may be defined, as necessary, to
simplify the procedural memory steps within the existing
emergency procedures. The term can then be used
as an emergency procedure step instead of the steps
used to define it. EXAMPLE: The term EMER ENG
SHUTDOWN is defined as engine stoppage without
delay and is accomplished as follows:
1.
2.
PWR leve r (affected engine) – OFF.
FUEL switch (affected engine) – OFF
9-1
TM 1-1520-238-10
9-2 Change 6
9.3 AFTER-EMERGENCY ACTION.
After a malfunction of equipment has occurred, appropriate
emergency actions have been taken and the
helicopter is on the ground, an entry shall be made in
the Remarks Section of DA Form 2408-13-1 describing
the malfunction. Ground and flight operations shall be
discontinued until corrective action has been taken.
9.4 EMERGENCY EXITS AND EQUIPMENT.
Emergency exits and equipment are shown in figure
9-1.
WARNING
· Activation of the canopy removal
system when combustible fuel/vapors
are present in the cockpit can
result in an explosion/fire. An explosion/
fire can also occur if the
aircraft has rolled on its side and
fuel/vapors have gathered on the
ground adjacent to the canopy side
panels. The crewmembers survival
knife may be used to fracture the
canopy side panels as an alternate
means of egress.
· Rotate the CANOPY JETTISON
handle to the ARM (90°) position
and release. Push the jettison handle
to actuate the canopy jettison.
Continuing to twist the jettison
handle while trying to push may
cause the actuator piston to jam
and thereby prevent operation of
the canopy severance system. If
canopy jettison does not occur on
the first attempt, ensure the jettison
handle is in the 90° position,
and push again. A push force of 140
-- 150 lbs may be required to overcome
the jam and initiate canopy
jettison.
· In the event that canopy jettison
does not occurwhen the canopy removal
system is actuated, the personal
survival knife should be used
to fracture the canopy panel and
permit egress.
9.4.1 Emergency Egress.
WARNING
· If emergency egress is required before
the rotor blades have stopped,
ensure cyclic remains centered.
BATT and FORCE TRIM switches
shall be left on to prevent rotors
from striking the aircraft or personnel.
· In all cases of canopy jettison, remain
clear of canopy side panels to
avoid high velocity canopy fragments.
Emergency egress is accomplished by exiting through
the emergency exits. If possible, use themanual canopy
opening handles to exit the aircraft. To permit emergency
egress by the pilot and CPG from the helicopter,
the transparent portion of the four canopy side panels
can be jettisoned by activating a detonation cord. Turning
90° and pushing any of three CANOPY JETTISON
handles will initiate canopy side panel jettison. If
emergency egress becomes necessary, proceed as follows:
1. Helmet visors --Down.
2. CANOPY JETTISON handle -- Either crew
member turn 90° release, then push.
9.4.2 Emergency Entrance. If it becomes necessary
to jettison the canopy to gain entrance in case of an emergency.
1. Canopy emergency release door -- Open.
2. Area around helicopter -- Clear of personnel at
least 50 feet from all canopy side panels.
3. CANOPY JETTISON handle -- Turn 90° release,
　
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