NTSB Identification: FTW82FPJ11
14 CFR Part 91: General Aviation
Accident occurred Wednesday, January 13, 1982 in WATONGA, OK
Probable Cause Approval Date: 01/13/1983
Aircraft: PIPER PA-28R-201T, registration: N47442
Injuries: 3 Uninjured.

NTSB investigators either traveled in support of this investigation or conducted a significant amount of investigative work without any travel, and used data obtained from various sources to prepare this aircraft accident report.

THE PILOT STATED THAT THE ENGINE LOST OIL PRESSURE AND SHORTLY THEREAFTER QUIT. DURING THE FORCED LANDING THE PILOT VEERED THE AIRCRAFT OFF THE HIGHWAY HE HAD ELECTED TO LAND ON DUE TO ONCOMING TRAFFIC. THE AIRCRAFT SUSTAINED SUBSTANTIAL DAMAGES DUE TO THE ROLLING TERRAIN. AN ENGINE TEARDOWN INSPECTION REVEALED NUMBEROUS METAL PARTICLES IN THE OIL PAN AND THAT THE ENGINE HAD FAILED DUE TO OIL STARVATION.

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

ENGINE ASSEMBLY,CRANKCASE..BINDING(MECHANICAL)

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

FLUID,OIL..STARVATION


Contributing Factors

OBJECT..VEHICLE


Contributing Factors

GROUND LOOP/SWERVE..INTENTIONAL..PILOT IN COMMAND


Contributing Factors

TERRAIN CONDITION..ROUGH/UNEVEN


Contributing Factors

TERRAIN CONDITION..MOUNTAINOUS/HILLY

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