GETTYSBURG, PA, USA
N1793Q
CESSNA 150L
THE STUDENT PILOT REPORTED THAT THE ENGINE BEGAN TO RUN ROUGH DURING CRUISE FLIGHT, APPROXIMATELY 30 MINUTES AFTER TAKE OFF. SUSPECTING CARBURETOR ICE THE STUDENT PILOT THEN APPLIED CARBURETOR HEAT. WHEN THE APPLICATION OF CARBURETOR HEAT FAILED TO IMMEDIATELY CORRECT THE ROUGH RUNNING ENGINE, THE STUDENT PILOT DECIDED TO LAND THE AIRPLANE IN AN EMPTY FIELD. UPON TOUCHDOWN IN THE FIELD, THE AIRPLANE NOSE WHEEL STRUCK A HOLE CAUSING THE AIRPLANE TO FLIP OVER. ACCORDING TO THE ICING PROBABILITY CURVES, CONDITIONS WERE FAVORABLE FOR THE FORMATION OF MODERATE ICING AT CRUISE POWER.
THE STUDENT PILOT'S DELAYED ACTION IN APPLYING CARBURETOR HEAT DURING CRUISE, WHICH RESULTED IN A LOSS OF ENGINE POWER DUE TO CARBURETOR ICE. FACTORS IN THIS ACCIDENT WERE: WEATHER CONDITIONS CONDUCIVE FOR CARBURETOR ICING, THE PILOT'S LACK OF TOTAL FLYING EXPERIENCE AND THE ROUGH TERRAIN.
Source: NTSB Aviation Accident Database
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