On August 8, 1982, a Cessna 172M (registration N46172) operated by Jas Marcum was involved in an aviation accident near Overbrook, OK. This summary draws on records from the U.S. National Transportation Safety Board (NTSB) historical archive.
During takeoff, the pilot observed the engine RPM dropping below 1500. The aircraft struck treetops 150 ft from the runway and crashed into a dry creek bank 400 ft away. Engine disassembly found no preimpact malfunction.
Accident Sequence
The pilot reported initiating the takeoff from the very beginning of the runway. During rotation, the engine appeared to lose power. The pilot observed the tachometer and noted the engine speed decreasing below 1500 RPM. Subsequently, the aircraft contacted the tops of trees located approximately 150 feet from the departure end of the runway. Following the tree strike, the aircraft crashed into the bank of a dry creek about 400 feet from the runway.
Investigation
A thorough disassembly of the engine was conducted to determine the cause of the reported power loss. The examination revealed no evidence of any preimpact malfunction or failure. No further anomalies were identified that could explain the observed drop in engine RPM during the takeoff roll.
Frequently asked questions
What happened in the 8 Aug 1982 Cessna 172M accident near Overbrook, OK?
During takeoff, the pilot observed the engine RPM dropping below 1500. The aircraft struck treetops 150 ft from the runway and crashed into a dry creek bank 400 ft away. Engine disassembly found no preimpact malfunction.
What aircraft was involved and where did it happen?
The accident on 8 Aug 1982 involved a Cessna 172M, registration N46172, operated by Jas Marcum, at Overbrook, OK.
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