C A U T I O N
If fire extinguisher has been used to extinguish
an engine fire, do not attempt to restart until
maintenance personnel have inspected the
aircraft and released it for flight.
4. Push to extinguish switch - Push.
5. Master switch - OFF.
(2) Engine fire in flight (fire pull handle light
illuminated). If an engine fire is suspected in flight,
perform the following:
1.
2.
3.
Power lever - IDLE.
Fire pull handle out - Advance power.
Fire pull handle light still illuminated -
Perform engine fire in flight procedures
(identified).
N O T E
Flight into the sun at high aircraft pitch attitude
may actuate the fire warning system. Lowering
the nose and/or changing headings will confirm
a warning system failure caused by sun rays.
(3) Engine fire in flight (identified). If an engine
fire is confirmed in flight, perform the following:
Due to the possibilities of fire warning system
malfunctions, the fire should be visually
identified before the engine is secured and the
extinguisher actuated.
1. Power lever - IDLE.
2. Propeller lever - FEATHER.
3. Condition lever - FUEL CUT-OFF.
4. Fire pull handle - Pull.
5. Fire extinguisher - Actuate as required.
6. Engine cleanup - Perform.
b. Fuselage Fire. If a fuselage fire occurs, perform the
following:
The extinguisher agent (Bromochlorodifluoro-
methane) in the fire extinguisher can produce
toxic effects if inhaled.
1. Fight the fire.
2. Land as soon as possible.
c. Wing Fire. There is little that can be done to control
a wing fire except to shut off fuel and electrical systems
that may be contributing to the fire, or which could
aggravate it. Diving and slipping the aircraft away from
the burning wing may help. If a wing fire occurs, perform
the following:
1. Perform engine shutdown on affected side.
2. Land as soon as possible.
d. Electrical Fire. Upon noticing the existence or
indications of an electrical fire, turn off all affected
electrical circuits, if known. If electrical fire source is
unknown, perform the following:
1. Crew oxygen - 100%.
2. Master switch - OFF (Visual Conditions Only).
3. All nonessential electrical equipment - OFF.
N O T E
With loss of DC electrical power, the aircraft
will depressurize. All electrical instruments,
with the exception of the Prop RPM, N1 RPM,
and TGT gages will be inoperative.
4. Battery switch - ON.
5. Generator switches (individually) - RESET, then
ON.
6. Circuit breakers - Check for indication of
defective circuit.
CAUTION
As each electrical switch is returned to ON, note
loadmeter reading and check for evidence of
fire.
TM 55-1510-219-10
Change 3
9-9
