NTSB Identification: LAX83LA005
14 CFR Part 91: General Aviation
Accident occurred Sunday, October 03, 1982 in RIALTO, CA
Probable Cause Approval Date: 10/03/1983
Aircraft: BEECH A36, registration: N4603A
Injuries: 2 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 CRUISING AT 9500 FT MSL, THE ENGINE BEGAN RUNNING ROUGH. THE PILOT DIVERTED TO RIALTO MUNICIPAL AIRPORT FOR A PRECAUTIONARY LANDING. WHILE ON BASE LEG, THE ENGINE QUIT COMPLETELY. FROM THAT POSITION, THE PILOT WAS UNABLE TO REACH THE RUNWAY. THE AIRCRAFT TOUCHED DOWN ABOUT 1/4 MILE SHORT, AND DURING THE LANDING ROLL, IT COLLIDED WITH A DITCH. AN INVESTIGATION REVEALED THAT THE ENGINE CRANKSHAFT HAD FAILED FROM FATIGUE. PREVIOUSLY, THE AIRCRAFT HAD BEEN INVOLVED IN A GEAR-UP LANDING. NO RECORD WAS FOUND TO VERIFY AN INSPECTION OF THE CRANKSHAFT IN ACCORDANCE WITH THE ACCEPTED PRACTICES FOLLOWING A PROPELLER STRIKE.

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

ENGINE ASSEMBLY,CRANKCASE..FATIGUE

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

ENGINE ASSEMBLY,CRANKCASE..FAILURE,TOTAL


Contributing Factors

TERRAIN CONDITION..DITCH

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