NTSB Identification: FTW83LA052
14 CFR Part 91: General Aviation
Accident occurred Sunday, December 05, 1982 in GARLAND, TX
Probable Cause Approval Date: 12/05/1983
Aircraft: PIPER PA-28-140, registration: N6745W
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 FLYING AT NIGHT, THE ENGINE BEGAN TO BACK FIRE AND THERE WAS A LOSS OF RPM AND METAL-TO-METAL SOUNDS. THE PILOT ATTEMPTED TO RESTORE THE POWER, BUT TO NO AVAIL. DURING A FORCED LANDING IN DARKNESS, THE PILOT SAW TREES WHEN THE PLANE WAS ABOUT 50 FT AGL, BUT TOO LATE TO AVOID A COLLISION. THE LEFT WING STRUCK A TREE AND WAS SHEARED OFF. AN INVESTIGATION REVEALED THAT THE #4 EXHAUST VALVE, PN.74541, HAD FAILED. THE VALVE HAD ACCUMULATED 1808 HRS SINCE INSTALLATION.
The National Transportation Safety Board determines the probable cause(s) of this accident to be:ENGINE ASSEMBLY,VALVE,INTAKE..FAILURE,TOTAL
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