Primary finding
Probable cause
The pilot fueled the aircraft with jet fuel instead of avaition gasoline. Factors were the unsuitable terrain encountered during the forced landing and the dark night light conditions.
Investigator assessment
Analysis narrative
Prior to a night departure from a local airport the pilot refueled his airplane. During the initial climb the engine lost total power and the pilot was forced to execute a forced landing to unsuitable terrain. An evaluation of the fuel revealed that the aviation fuel was contaminated with jet a type fuel.
Source record
Factual narrative
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