C-172H Emergency Procedures Checklist

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C-172H Emergency Procedures Checklist C-172H Emergency Procedures Checklist Procedures in bold-faced type are immediate action items which should be committed to memory. Procedures in bold-faced type are immediate action items which should be committed to memory. ENGINE FAILURE DURING TAKEOFF ROLL 1. Throttle – IDLE 2. Brakes – APPLY 3. Wing Flaps – RETRACT 4. Mixture – IDLE CUT-OFF 5. Ignition Switch – OFF 6. Master Switch – OFF ENGINE FAILURE AFTER TAKEOFF (LOW ALT) 1. Airspeed – 70 MPH (flaps UP) 65 MPH (flaps DOWN) 2. Wing Flaps – AS REQUIRED 3. Land – STRAIGHT AHEAD --When Time Permits-- 4. Mixture – IDLE CUT-OFF 5. Fuel Selector Valve – OFF 6. Ignition Switch – OFF 7. Master Switch – OFF ENGINE FAILURE IN FLIGHT (RESTART) 1. Airspeed – BEST GLIDE (80 mph) --Note Wind, Select Landing Site, Turn 2. Mixture – RICH 3. Fuel Selector Valve – BOTH 4. Carb Heat – ON 5. Fuel Boost Pump – ON 6. Ignition – BOTH (START if prop stopped) 7. Primer – IN AND LOCKED --Forced Landing if engine fails to start FORCED LANDING WITHOUT ENGINE POWER 1. Airspeed – BEST GLIDE (80 mph) 2. Landing Site -- SELECT 3. Mixture – IDLE CUT-OFF 4. Fuel Selector Valve – OFF 5. Ignition Switch – OFF 6. Wing Flaps – AS REQUIRED (40° recommended) 7. Master Switch – OFF 8. Doors – UNLATCH 9. Touchdown – SLIGHTLY TAIL LOW 10.Brakes – APPLY HEAVILY WING FIRE IN FLIGHT 1. Navigation Light Switch – OFF 2. Pitot Heat Switch – OFF 3. Landing/Taxi Light Switch – OFF Sideslip to keep flames away from fuel tank/cabin. Land ASAP, flaps on final only. ENGINE FIRE DURING START 1. Cranking – CONTINUE --If engine starts-- 2. Power – 1700 RPM for a few minutes 3. Engine – SHUTDOWN & inspect for damage 4. --If engine fails to start-- 5. Throttle – FULL OPEN 6. Mixture – IDLE CUT-OFF 7. Fuel Boost Pump – OFF 8. Cranking – CONTINUE (30-60 sec) 9. Fire Extinguisher – OBTAIN 10.Master Switch – OFF 11.Ignition Switch – OFF 12.Fuel Selector Valve – OFF 13.Parking Brake – RELEASE 14.Evacuate/Extinguish Fire ENGINE FIRE IN FLIGHT 1. Mixture – IDLE CUT-OFF 2. Fuel Selector Valve – OFF 3. Fuel Boost Pump – OFF 4. Master Switch – OFF 5. Cabin Heat/Air – OFF (except overhead vents) 6. Airspeed – 110 MPH --If not extinguished, increase speed 7. Forced Landing – EXECUTE ELECTRICAL FIRE IN FLIGHT 1. Master Switch – OFF 2. Avionics Power Switch – OFF 3. All Other Switches (except ignition) – OFF 4. Vents/Cabin Air/Heat – CLOSED 5. Fire Extinguisher – ACTIVATE 6. Cabin – VENTILATE when fire is out 7. Master Switch – ON 8. Circuit Breakers – CHECK; do not reset 9. Equipment – ON one at a time until faulty circuit located CABIN FIRE IN FLIGHT 1. Master Switch – OFF 2. Vents/Cabin Air/Heat – CLOSED 3. Fire Extinguisher – ACTIVATE 4. Cabin – VENTILATE when fire is out 5. Flight – LAND AS SOON AS POSSIBLE PRECAUTIONARY LANDING WITH POWER 1. Wing Flaps – 20o 2. Airspeed – 65 MPH 3. Landing Site – OVERFLY, note terrain/obstructions 4. Go-Around – PERFORM Set up for normal pattern 5. Avionics Power/Electrical Switches – OFF 6. Wing Flaps – 40o (on final approach) 7. Airspeed – 65 MPH 8. Master Switch – OFF 9. Doors – UNLATCH 10.Touchdown – SLIGHTLY TAIL LOW 11.Ignition Switch – OFF 12.Brakes – APPLY HEAVILY LANDING WITH A FLAT TIRE 1. Approach – NORMAL 2. Touchdown – GOOD TIRE FIRST 3. Flat Tire – HOLD OFF GROUND as long as possible 4. Directional Control – MAINTAIN using brake on good wheel as required DITCHING 1. Radio – TRANSMIT MAYDAY on 121.5 with location & intentions 2. Heavy Objects (in baggage area) – SECURE OR JETTISON 3. Approach – High Winds/Heavy Seas – INTO THE WIND; Light Winds/Heavy Swells – PARALLEL TO SWELLS 4. Wing Flaps – 20°to 40° 5. Power – ESTABLISH 300FT/MIN DESCENT AT 60 MPH If no power avail, approach at 70 MPH with flaps up or 65 MPH with 10° flaps. 6. Cabin Doors – UNLATCH 7. Touchdown – LEVEL ATTITUDE AT ESTABLISHED RATE OF DESCENT 8. Face – CUSHION at touchdown w/coat 9. Airplane – EVACUATE through cabin doors 10.Flotation Devices – INFLATE WHEN CLEAR STATIC SOURCE BLOCKAGE (Erroneous Instrument Reading Suspected) 1. Alternate Static Source Valve – PULL ON 2. Airspeed – Consult calibration tables INADVERTENT ICING ENCOUNTER 1. Pitot Heat Switch – ON 2. INITIATE 180° TURN OR CHANGE ALTITUDE 3. Cabin Heat – MAXIMUM (for windshield defrost) 4. Throttle – INCREASE 5. Carb/Air Filter Ice – MONITOR FOR SIGNS --Apply carb heat as required 6. Mixture – AS REQUIRED 7. Landing Site – SELECT NEAREST SUITABLE --Landing off airport may be necessary --Expect significantly higher stall speed --Use 5-10 MPH higher approach speed 8. Wing Flaps – LEAVE UP 9. Windshield – SCRAPE, if practical 10.Land – FLAPS UP IN LEVEL ATTITUDE --Use forward slip to improve visibility INADVERTENT SPIN (P-A-R-E) 1. Throttle – IDLE 2. Ailerons – NEUTRAL 3. Rudder – OPPOSITE DIRECTION OF ROTATION 4. Controls – FULL FORWARD --After Spin Stops-- 5. Rudder – NEUTRALIZE 6. Wings – LEVEL & recover from dive (beware of excess speed & avoid abrupt control movements) AMMETER SHOWS EXCESSIVE RATE OF CHARGE (Full Scale Deflection) 1. Nonessential Radio/Electrical Equip – OFF 2. Flight – TERMINATE as soon as practical AMMETER SHOWS CONTINUAL RATE OF DISCHARGE 1. Avionics Power Switch – OFF 2. Alternator Circuit Breaker – CHECK IN 3. Master Switch – OFF 4. Master Switch – ON 5. Ammeter – CHECK NORMAL INDICATION 6. Avionics Power Switch – ON --If ammeter indicates discharge again-- 7. Nonessential Radio/Electrical Equip – OFF 8. Flight – TERMINATE as soon as practical