NTSB Identification: ATL83LA047
14 CFR Part 91: General Aviation
Accident occurred Thursday, November 25, 1982 in BEDFORD, VA
Probable Cause Approval Date: 11/25/1983
Aircraft: CESSNA 150J, registration: N60631
Injuries: 1 Uninjured.

NTSB investigators may not have traveled in support of this investigation and used data provided by various sources to prepare this aircraft accident report.

WHILE PRACTICING STALLS AND TURNS, THE STUDENT STATED THE AIRCRAFT BEGAN TO VIBRATE. THE STUDENT ATTEMPTED TO ELIMINATE THE VIBRATION BY REDUCING AND ADVANCING THE THROTTLE AND FOUND THE HIGHER THE RPM, THE GREATER THE VIBRATION. UPON ATTEMPTING TO LAND IN AN OPEN FIELD THE ENGINE QUIT ON FINAL APPROACH, THE NOSE GEAR COLLAPSED ON LANDING, AND THE AIRCRAFT FLIPPED OVER. FURTHER EXAMINATION REVEALED INTAKE VALVE NUMBER 1 WAS STUCK IN THE OPEN POSITION.

The National Transportation Safety Board determines the probable cause(s) of this accident to be:

ENGINE ASSEMBLY,VALVE,INTAKE..INOPERATIVE


Contributing Factors

PRECAUTIONARY LANDING..PERFORMED..PILOT IN COMMAND


Contributing Factors

TERRAIN CONDITION..OPEN FIELD


Contributing Factors

LANDING GEAR,NOSE GEAR..OVERLOAD

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