Textron Cessna C172S PIM, Pilot Operating Handbook

Page: 89 / 322

CESSNA SECTION 3
MODEL 172S NAV III EMERGENCY PROCEDURES
GFC 700 AFCS
U.S.
FIRES
(Continued)
ENGINE FIRE IN FLIGHT
1. Mixture Control - IDLE CUTOFF (pull full out)
2. FUEL SHUTOFF Valve - OFF (pull full out)
3. FUEL PUMP Switch - OFF
4. MASTER Switch (ALT and BAT) - OFF
5. Cabin Vents - OPEN (as needed)
6. CABIN HT and CABIN AIR Control Knobs - OFF (push full in)
(to avoid drafts)
7. Airspeed - 100 KIAS (If fire is not extinguished, increase glide
speed to find an airspeed, within airspeed limitations, which will
provide an incombustible mixture)
8. Forced Landing - EXECUTE (refer to EMERGENCY LANDING
WITHOUT ENGINE POWER)
ELECTRICAL FIRE IN FLIGHT
1. STBY BATT Switch - OFF
2. MASTER Switch (ALT and BAT) - OFF
3. Cabin Vents - CLOSED (to avoid drafts)
4. CABIN HT and CABIN AIR Control Knobs - OFF (push full
in) (to avoid drafts)
5. Fire Extinguisher - ACTIVATE (if available)
6. AVIONICS Switch (BUS 1 and BUS 2) - OFF
7. All Other Switches (except MAGNETOS switch) - OFF
WARNING
AFTER THE FIRE EXTINGUISHER HAS BEEN USED,
MAKE SURE THAT THE FIRE IS EXTINGUISHED
BEFORE EXTERIOR AIR IS USED TO REMOVE SMOKE
FROM THE CABIN.
8. Cabin Vents - OPEN (when sure that fire is completely
extinguished)
9. CABIN HT and CABIN AIR Control Knobs - ON (pull full out)
(when sure that fire is completely extinguished)
(Continued Next Page)
172SPHBUS-00 3-11