NTSB Identification: LAX96LA329.
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Accident occurred Sunday, September 08, 1996 in QUINCY, CA
Probable Cause Approval Date: 09/30/1997
Aircraft: Stinson 108, registration: N97337
Injuries: 1 Minor.
NTSB investigators may not have traveled in support of this investigation and used data provided by various sources to prepare this aircraft accident report.
The pilot leaned the engine before takeoff, but as the aircraft reached about 50 feet agl, the engine lost power. He switched tanks, enriched the mixture, pumped the throttle, and attempted to restart the engine. The engine started, but it ran for only a few seconds before quitting again. When his second attempted restart was unsuccessful, he executed a forced landing. During the forced landing, the airplane hit a log and was damaged. The pilot said he could have induced the problem by over leaning the engine. He also said he could have restricted the fuel flow when he inadvertently moved the fuel selector beyond the tank detent. The aircraft was fueled with a mixture of aviation fuel and auto gas, but it did not have an STC for auto gas. The aircraft had not had an annual inspection within the previous 12 months, and the pilot's medical certificate had expired.
The National Transportation Safety Board determines the probable cause(s) of this accident to be: the pilot's over leaning of the fuel mixture, which resulted in the initial loss of engine power; and continued fuel starvation, resulting from the pilot's inadvertent mispositioning of the fuel selector valve during an attempted restart of the engine. Full narrative available
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