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Cessna 150 M — Emergency Procedures (independently worded)

Cessna 150 M · standard normal

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Aircraft Pilot

Engine Failure on Takeoff (At or Before Liftoff) engine_failure_before_rotation

Engine fails or loses significant power during the takeoff roll or immediately after liftoff

ThrottleMEMORYCLOSE
Brakes — if still on the runway, apply firmly to stop on remaining runwayMEMORYAPPLY AS NEEDED
CAUTIONDo NOT attempt to return to the runway from a low-altitude engine failure. Land ahead or in the best available area within approximately 30 degrees either side of the nose.
MixtureMEMORYIDLE CUTOFF
Ignition switchMEMORYOFF
Master switchMEMORYOFF
Land straight ahead — use flaps if altitude and airspeed permit; brace for impact

Engine Failure in Flight engine_failure_in_flight

Complete or partial loss of engine power after takeoff with altitude available

Airspeed — establish best glide immediatelyMEMORYBEST GLIDE SPEED PER POH
Select a suitable landing area within gliding rangeMEMORYSELECTED
Carburetor heatON
Fuel selector valveVERIFY BOTH ON
MixtureRICH
PrimerIN AND LOCKED
Ignition switchBOTH (VERIFY ON)
ThrottleCHECK — TRY ADVANCING SLOWLY
If engine does not restart, proceed to Forced Landing checklist. Squawk 7700 and transmit MAYDAY on 121.5 MHz if time permits.

Engine Fire in Flight engine_fire_in_flight

Flames or smoke visible from the engine compartment during flight

MixtureMEMORYIDLE CUTOFF
Fuel selector valveMEMORYOFF
ThrottleMEMORYFULL OPEN (to consume fuel in lines)
Cabin heat and air ventsMEMORYCLOSED (to prevent fumes entering cockpit)
Airspeed — increase to blow out fire if conditions allowINCREASE — DO NOT EXCEED VNE PER POH
Master switchOFF
Execute immediate emergency landing — squawk 7700 and transmit MAYDAY if time permits

Engine Fire on Ground (During Start) engine_fire_ground

Engine fire occurs during start or while engine is running on the ground

Ignition switchMEMORYCONTINUE CRANKING to draw fire back into engine, if battery power remains
Continued cranking may draw the fire into the induction system and extinguish it. If fire persists, proceed immediately to shutdown steps.
ThrottleMEMORYFULL OPEN
MixtureIDLE CUTOFF
Fuel selector valveOFF
Ignition switchOFF
Master switchOFF
Evacuate aircraft immediately — use fire extinguisher if available and fire is small
Call emergency services (911) and notify airport authority

Electrical Fire / Smoke in Cockpit electrical_fire

Smoke or burning smell from electrical system or instrument panel

Master switchMEMORYOFF
All avionics and electrical switchesMEMORYOFF
Cabin ventsOPEN to clear smoke
If fire is extinguished and flight instruments are needed, turn master back ON and selectively restore only equipment required for safe arrival
Land as soon as practicableNEAREST SUITABLE AIRPORT

Loss of Oil Pressure oil_system_malfunction

Oil pressure gauge drops below the green arc or to zero

Throttle — reduce to minimum power needed to maintain flightMEMORYREDUCE POWER
Check oil pressure and oil temperature gauges — a simultaneous temperature rise confirms oil loss
Select landing area within gliding rangeSELECTED
CAUTIONLow oil pressure may precede engine seizure with little additional warning. Do not delay the landing decision. Proceed to Forced Landing checklist if pressure remains low.
Proceed to Forced Landing checklist — land as soon as possible

Carburetor Ice carburetor_icing

Unexplained RPM loss or rough running on fixed-pitch engine with no other apparent cause

Carburetor heatMEMORYFULL ON — LEAVE ON UNTIL RPM RECOVERS
Expect an initial further RPM drop as partially melted ice passes through the system. This is normal. Do not cycle the carb heat off prematurely. RPM should recover and stabilise once the ice has cleared.
Monitor RPM — an initial drop followed by recovery and smooth running confirms ice was present and is clearing
MixtureRICHEN SLIGHTLY IF NEEDED FOR ROUGH RUNNING
Once RPM stabilises, consider whether to leave carb heat on or cycle it. If icing conditions persist, leave ON.
NOTEIf RPM does not recover after applying full carburetor heat, the cause may be other than icing. Treat as partial engine failure and prepare for a precautionary landing.

Source: authored — no source document

Rights: original_expression CC-BY-4.0

Checklist hash: 72ee9067691bbccd8cacbdc12785a8b6…

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