Cessna 172 Emergencies

Emergency Priorities
1. Aircraft control
2. Assess and resolve
3. Get help
4. Back up with checklist
5. Secure

Total Engine Failure in flight
Set Best Glide Speed 65
Left Pedal
Head in direction of field (downwind)
Carb Heat – On
Throttle – In
Mixture – Rich
Flaps – Out In Stages
Fuel – Fuller Tank
Primer – In And Locked
Mags – Check Both
Radio call
Secure = mixture/fuel selector/seatbelts/doors
Final = Flaps as needed, then master off

Engine Failure During T.O.
Throttle – Idle
Mixture – Idle Cut Off
Brakes – Apply as needed
Clear of runway or stopped on runway if smoke
Ignition Switch – Off
Master Switch – Off

Engine Failure Right After T.O.
Airspeed – Glide attitude / 65 Kts with left pedal
Pick Landing Area Within 45°
Carb heat out
Throttle out
Mixture – Idle Cut Off
Flaps – Decide
Master Switch – Off ?
Passenger/Copilot Door – Open ?

Forced Landing Without Power
Airspeed – 65Kts
Mixture – Idle Cut Off
Fuel – Off
Seat belts
Doors – Open
Normal approach
On final
Flaps – Decide 40° Recommended
Master Switch – Off

Forced Landing With Power
Flaps – 20°
Airspeed – 60Kts
Select Field – Fly Over and Inspect, retract flaps when reaching safe altitude and airspeed.
Doors – Open
Avionics – Off
Flaps – 40° on final
Airspeed – 60 Kts
Master Switch – Off

Radio – Mayday 121.5 location and intentions Squawk 7700
Heavy Objects – Secure or jettison
Life Jackets – Put on
Approach HIGH winds – Into the wind
Approach LIGHT winds – Parallel to the swells
Flaps – 20° to 40°
Doors – Open
Power – Establish 300 Ft/Min at 55 Kts

Fires – On Startup
Cranking – Continue for 10 to 15 seconds
If engine starts:
Power – 1700 RPM for 10 seconds, shut down
If engine fails to start: Keep Cranking
Throttle – Full
Mixture – Idle Cut-Off
Cranking – Continue for 10 seconds
Fuel Selector- Off
Master Switch – Off
Ignition Switch – Off
Fire Extinguisher – Obtain use if you want to die.

Engine Fire In Flight
Turn towards landing area (downwind)
Airspeed Just below Vne/Vno if engine running and needed
Slip as needed
Airspeed Best Glide if engine out and glide needed
Cabin Air/Heat – Close
When engine is out/not needed:
Mixture – Idle Cut-Off
Fuel Selector – Off
Forced Landing – Execute as normal as possible with slip on final

Electrical Fire In Flight
Turn towards landing area (downwind)
Airspeed Just below Vne/Vno
Slip as needed
Cabin Air/Heat – Close
mayday call
Master switch -off
Breakers – Check for faulty breaker and
feel for heat.
Land with power

if fire goes out:
Use checklist

Cabin Fire
Master Switch – Off
Vents/Cabin Air/Heat – Closed (to avoid drafts.)
Fire Extinguisher – Activate (if available)
Land Airplane As Soon As Possible.

Wing Fire
Navigation Lights – Off
Pitot Heat – Off
Strobe – Off

Keep slipstream away from fuel tank and cabin.
Land as soon as possible using flaps only as required on final.

Reserved – NOT DONE

Static Source Blockage
Alternate Static Source Valve – Pull On
Airspeed – Adjust as speed (speeds shown are a few knots faster than reality.

Flat Tire
Approach – Normal
Touchdown – Good tire first, hold off bad tire, consider cross wind landing.

Ammeter Shows Excessive Rate Of Charge
(full scale)
Use Checklist

Low Voltage Light During Flight
Use Checklist

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