EMERGENCY PROCEDURES - CESSNA 172 M
CESSNA 172M SKYHAWK · Emergency Procedures
Overview
This document outlines emergency procedures for the Cessna 172M, providing pilots with critical actions to take in various emergency situations. It covers scenarios such as electrical fires, power loss in flight, engine fires, and carburetor icing. Each section details step-by-step instructions to ensure safety and effective management of emergencies. The procedures emphasize the importance of maintaining control of the aircraft while addressing the emergency, including communication protocols and landing strategies. This manual serves as a vital reference for pilots operating the Cessna 172M, ensuring they are prepared for unexpected situations during flight.
- Electrical fire procedures include turning off avionics and using a fire extinguisher if needed.
- In case of power loss, locate the best landing area and manage cabin heat and carb heat.
- For engine fires, set mixture to idle cut-off and turn off fuel selector and master switch.
- Power loss after takeoff requires landing straight ahead if below 1,000 feet AGL.
- Maintain best glide speed of 80 MPH during emergencies.
Document
Source
Originally published by www.t-craft.org. Sprinkle hosts a reference copy with an added summary, specifications and searchable full text.
Document details
- Type
- Emergency Procedures
- Pages
- 1
- File size
- 62 KB
- Publisher
- www.t-craft.org
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- Pilot's Operating Handbook / AFM
- Checklist
- Maintenance Manual
- Parts Catalog (IPC)
- Systems & Wiring
- Service Bulletins
- Type Certificate (TCDS)
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In this document
Electrical Fire in Flight
In the event of an electrical fire, pilots should turn off the avionics, autopilot, and master switch while leaving the engine running. The focus should be on flying the aircraft and ensuring cabin vents are closed. If necessary, use a fire extinguisher and check circuit breakers for any popped breakers. After the fire or smoke is out, open the vents and switch on critical equipment one at a time.
Power Loss in Flight
If experiencing power loss, pilots should continue to crank the engine for a few seconds, then turn off the master and magnetos, and set the fuel selector to off. It is crucial to locate the best landing area and fly towards it while managing cabin heat and carburetor heat as needed. If a restart is not possible, prepare for a landing.
Engine Fire in Flight
In case of an engine fire, the mixture should be set to idle cut-off, and the fuel selector turned off. The master switch and magnetos should also be turned off, and cabin vents and heat closed. Pilots should then locate the best landing area.
Power Loss After Takeoff
If power loss occurs after takeoff, pilots should aim to land straight ahead if below 1,000 feet AGL. If above 1,000 feet, best glide speed is 80 MPH, and a 180-degree turn into the wind may be attempted if conditions allow.
Carburetor Icing
In the case of carburetor icing, maintain best glide to the target landing site while applying carb heat. The mixture should be set to out and idle cut-off, and the throttle fully open.
Safety notes
- Always communicate emergencies if time allows.
- Ensure cabin vents are closed during electrical fires and engine fires.
- Monitor icing conditions and use partial carb heat as necessary.
Full document text
EMERGENCY PROCEDURES - CESSNA 172 M ELECTRICAL FIRE IN FLIGHT - AVIONICS / AUTOPILOT / MASTER OFF - (LEAVE MAGS ON) - ENGINE RUNNING FLY THE PLANE - AVIATE - NAVIGATE - COMMUNICATE - CABIN VENTS CLOSED - FIRE EXTINGUISHER IF REQUIRED - THROTTLE CLOSED , MAX BRAKING, FUEL OFF - CHECK CKT BREAKER FOR POPPED BREAKER - ELECTRICAL OFF DO NOT RESET - MASTER ON - TURN ON CRITICAL EQUIPMENT - ONE AT A TIME - VENTS OPEN AFTER FIRE/SMOKE OUT - FUEL SELECTOR-OTHER TANK / MIXTURE CHK-SET - CARB HEAT / MAGS CHK ENGINE FIRE DURING START - LAND - CONTINUE TO CRANK A FEW SECONDS - TRY RESTART - ABOVE - SHUT DOWN AND INSPECT - COMMUNICATE EMERGENCY IF TIME - THROTTLE - FULL OPEN POWER LOSS IN FLIGHT - CONTINUE TO CRANK A FEW SECONDS - MASTER / MAGS OFF - FUEL SELECTOR - OFF - EVACUATE / USE FIRE EXTINGUISHER - NOTE WIND DIRECTION / SPEED ICING - LOCATE BEST LANDING AREA - TARGET SPOT - FLY TO TARGET - LANDING SITE - PITOT HEAT ON - CHECK FUEL /ENGINE GAUGES - CABIN HEAT / DEFROSTER ON MAX - CARB HEAT - ON - THROTTLE - CRACKED FOR START DESCEND TO NON-ICING CONDITIONS - MIXTURE - CHECK / SET - MAXIMUM POWER SETTING / MAX PROP SPEED - FUEL SELECTOR - BOTH - CARB HEAT AS NECESSARY - MAGS - ALL POSITIONS - FLAPS NOT RECOMMENDED - PRIMER - IN and LOCKED - LAND IF NECESSARY - FASTER THAN NORMAL NO RESTART - PREPARE TO LAND CARBURATOR ICING - CONTINUE BEST GLIDE TO TARGET - LANDING SITE - CARB HEAT ON - MIXTURE - OUT - IDLE CUT-OFF - THROTTLE - FULL OPEN - FUEL SELECTOR -OFF - SQUAWK 7700 - MAYDAY (TWR, APPR, UNICOM, OR 121.5) - WHEN LANDING SITE IS SECURED - STORE AWAY LOOSE ARTICLES - MAGS - OFF / AVIONICS / ALT. / MASTER OFF - CRACK DOORS AJAR - PROTECT BODY FOR LANDING ENGINE FIRE IN FLIGHT STANDARD PLANE - MIXTURE - OUT - IDLE CUT-OFF - FUEL SELECTOR -OFF - MASTER / MAGS - OFF - CABIN VENTS / HEAT - CLOSED - LOCATE BEST LANDING AREA - TARGET SPOT POWER LOSS AFTER TAKE OFF NO RESTART TAKE OFF ROLL RWAY LEFT - LAND STRAIGHT AHEAD NO RUNWAY - BELOW ~ 1000 AGL - BEST GLIDE 80 MPH - TRIM - LAND STRAIGHT AHEAD OR 450 EITHER SIDE NO RUNWAY - ABOVE ~ 1000 AGL - BEST GLIDE 80 MPH - TRIM - IF STARTS - RUN A FEW MINUTESS - TURN INTO WIND IF ABLE AND DO 1800 TO RUNWAY - IF NO START - MIXTURE OUT/CUT-OFF, FUEL OFF - BEST GLIDE 80 MPH - TRIM - DO A 1800 TURN AROUND AND OR CLIMB / - MIXTURE - LEAN AS REQUIRED FOR SMOOTHE OPERATION AFTER CLEARING ICE, RETURN TO NORMAL OPERATION, THEN MONITOR ICING. IT MAY BE NECESSARY TO USE PARTIAL CARB HEAT IN SOME CONDITIONS. IF SO, LEAN AS REQUIRED FOR SMOOTHE OPERATION. - 70 MPH IAS FULL FLAPS IF ABLE Empty Weight 1448 Lbs. Max Useful Wt. 852 Lbs. Inc. max fuel @ 43 Gal Max Baggage Area 170 Lbs. (120 Area 1, 50 Area 2) Max Total Wt. 2300 Lbs. - PERFORM EMERGENCY DECENT 120 MPH Fuel Type: 100 LL (Lt. Blue) Useable Fuel: 40 Gal 20 ea. L / R Main. Oil Capacity: 6 Qts. (if filter 7) (min 4 Qts.) - INCREASE AIRSPEED / SLIP AS REQUIRED TO EXTINGUISH FIRE Electrical: 12 V / 60 amp alternator Tire Pressure: Nose - 26 Psi Main - 30 Psi
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