NTSB Identification: FTW87FA142.
The docket is stored on NTSB microfiche number 34641.
Accident occurred Saturday, June 13, 1987 in COOKSON, OK
Probable Cause Approval Date: 11/29/1988
Aircraft: BEECH 35, registration: N3063V
Injuries: 1 Serious,1 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.

JUST AFTER TAKEOFF SMOKE WAS SMELLED AND THEN OBSERVED IN THE COCKPIT. THE PILOT BELEIVED THAT THE SMOKE SOURCE WAS ELECTRICAL AND TURNED OFF THE MASTER SWITCH. JUST BEFORE TOUCHDOWN FLAMES BEGAN BURNING THE PILOTS LEFT LEG. THE AIRCRAFT WAS STOPPED ON THE RUNWAY AND THE PILOT AND PAX DEPLANED. THE AIRCRAFT WAS THEN DESTROYED BY FIRE. THE ENGINE OIL PUMP ATTACH BOLTS WERE FOUND TO BE LOOSE AND ALLOWING OIL TO DRIP ONTO THE HOT MUFFLER, WHICH IGNITED. FLAMES ENTERED THE COCKPIT THROUGH THE HOT AIR DUCT.

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

LUBRICATING SYSTEM,OIL PRESSURE PUMP..UNDERTORQUED

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

LUBRICATING SYSTEM,OIL PRESSURE PUMP..LEAK




Contributing Factors

MAINTENANCE,INSPECTION..INADEQUATE..OTHER MAINTENANCE PERSONNEL

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