NTSB Identification: LAX87LA188.
The docket is stored on NTSB microfiche number 33985.
Accident occurred Wednesday, April 22, 1987 in TEMECULA, CA
Probable Cause Approval Date: 05/27/1988
Aircraft: CESSNA TU206B, registration: N3835G
Injuries: 2 Minor.

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

DURING AN AERIAL SURVEY FLIGHT, WHILE ON FINAL APPROACH TO THE ARPT, THE ENGINE BEGAN RUNNING ROUGH THEN QUIT. THE PLT WAS UNABLE TO LAND THE ACFT AT THE ARPT, THEREFORE, A NEARBY DIRT ROAD WAS SELECTED. DURING THE LANDING ROLL THE ACFT COLLIDED WITH THE TERRAIN AND NOSED OVER. EXAMINATION OF THE ENGINE REVEALED THAT THE CRANKSHAFT HAD FAILED FROM HIGH CYLE FATIGUE LOADING WHICH STARTED ON THE OUTSIDE OF ONE OF THE JOURNALS.

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

ENGINE ASSEMBLY,CRANKSHAFT..FATIGUE


Contributing Factors

TERRAIN CONDITION..ROUGH/UNEVEN

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