Cessna Skyhawk 172N Pilot Operating Handbook page 36

SECTION 3
CESSNA
EMERGENCY PROCEDURES
MODEL 172N
6.
Cranking -- CONTINUE.
7. Fire Extinguisher -- OBTAIN (have ground attendants obtain ifnot
installed).
8.
Engine SECURE.
a. Master Switch -- OFF.
b. Ignition Switch -- OFF.
c. Fuel Selector Valve OFF.
9.
Fire -- EXTINGUISH using fire extinguisher. wool blanket, or dirt.
10. Fire Damage -- INSPECT, repair damage or replace damaged
components or wiring before conducting another flight.
ENGINE FIRE IN FLIGHT
1.
Mixture -- IDLE CUT-OFF.
2. Fuel Selector Valve -- OFF.
3.
Master Switch -- OFF.
4.
Cabin Heat and Air -- OFF (except overhead vents).
5.
Airspeed -- 100 KIAS
(If
fire is not extinguished, increase glide
speed to find an airspeed which will provide an incombustible
mixture).
6.
Forced Landing -- EXECUTE (as described in Emergency Landing
Without Engine Power).
ELECTRICAL FIRE IN FLIGHT
1.
Master Switch -- OFF.
2. Avionics Power Switch -- OFF.
3.
All Other Switches (except ignition switch) -- OFF.
4. Vents/Cabin Air/Heat -- CLOSED.
5. Fire Extinguisher -- ACTIVATE (if available).
I
WARNING
I
After discharging an extinguisher within a closed cabin,
ventilate the cabin.
If
fire appears out and electrical power is necessary for continuance of
flight:
6.
Master Switch -- ON.
7. Circuit Breakers -- CHECK for faulty circuit, do not reset.
8.
Radio Switches -- OFF.
9.
Avionics Power Switch ON.
10. Radio/Electrical Switches -- ON one at a time. with delay after
each until short circuit is localized.
3-6
1 July 1978