Cessna 1973 172 - Engine Fire in Flight; Electrical Fire in Flight

the flames and accumiilated fuel through the carburetor and into the
engine.
(2) If the start is successful, run the engine at 1700 RPM for a few
minutes before shutting it down to inspect the damage.
(3) If engine start is xmsuccessful, continue cranking for two or
three minutes with throttle full open while groimd attendants obtain
fire extinguishers.
(4) When ready to extinguish fire, release the starter switch and
turn off master switch, ignition switch, and fuel selector valve handle.
(5) Smother flames with fire extinguisher, seat cushion, wool blan-
ket, or loose dirt. If practical try to remove carburetor air filter
if it is ablaze.
(6) Make a thorough inspection of fire damage, and repair or re-
place damaged components before conducting another flight.
ENGINE FIRE IN FLIGHT.
Although engine fires are extremely rare in flight, the following steps
should be taken if one is encountered:
(1) Pull mixture control to idle cut-off.
(2) Turn off fuel selector valve handle.
(3) Turn off master switch.
(4) Establish a 120 MPH gUde.
(5) Close cabin heat control,
(6) Select a field suitable for a forced landing,
(7) If fire is not extinguished, increase glide speed in an attempt to
find an airspeed that will provide an incombustible mixture.
(8) Execute a forced landing as described in paragraph Emergency
Landing Without Engine Power. Do not attempt to restart the engine.
ELECTRICAL FIRE IN FLIGHT.
The initial indication of an electrical fire is the odor of burning in-
sulation. The immediate response should be to turn off the master switch.
Then close off ventilating air as much as practicable to reduce the chances
of a sustained fire.
If electrical power is indispensable for the flight, an attempt may be
made to identify and cut off the defective circuit as follows:
(1) Master Switch — OFF.
3-7