Textron Cessna 172S Skyhawk SP, Information Manual

Page: 54 / 491

CESSNA
MODEL 172S
SECTION 3
EMERGENCY PROCEDURES
ENGINE FAILURE DURING FLIGHT (Restart Procedures)
1. Airspeed •• 68 KIAS.
2. Fuel Shutoff Valve •• ON (push full in).
3. Fuel Selector Valve •• BOTH.
4. Auxiliary Fuel Pump Switch •• ON.
5. Mixture •• RICH (if restart has not occurred).
6. Ignition Switch -- BOTH (or START if propeller is stopped).
NOTE
If the propeller is windmilling, the engine will restart
automatically within a few seconds. If the propeller
has stopped (possible at low speeds), turn the
ignition switch to START, advance the throttle slowly
from idle and lean the mixture from. full rich as
required for smooth operation.
7. Auxiliary Fuel Pump Switch.-- OFF.
NOTE
If the fuel flow indicator immediately drops .to 'zero
(indicating an engine-driven fuel pump failure), return
the Auxiliary Fuel Pump Switch to the ON position.
FORCED LANDINGS
EMERGENCY LANDING WITHOUT ENGINE POWER
.1. Passenger Seat Backs -- MOST UPRIGHT POSITION.
2. Seats and Seat Bells -' SECURE.
3. Airspeed -- 70 KIAS (flaps UP).
65 KIAS (flaps DOWN).
4. Mixture -- IDLE CUT OFF.
5. Fuel Shutoff Valve -- OFF (Pull Full Out).
6. Ignition Switch -- OFF.
7. Wing Flaps -- AS REQUIRED (30
0
recommended).
8. Master Switch-- OFF (when landing is assured).
9. Doors -- UNLATCH PRIOR TO TOUCHDOWN.
10. Touchdown -- SLIGHTLY TAIL LOW.
11. Brakes .- APPLY HEAVILY.
Revision 4
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