Primary finding
Probable cause
A power loss due to a fuel line blocked with dirt and sludge, while operating over unsuitable terrain. A factor related to the accident was the failure of the owner/pilot to detect the dirt and sludge in the fuel system prior to takeoff.
Investigator assessment
Analysis narrative
The pilots had made multiple takeoffs and landings when they experienced a power loss after takeoff. An off airport landing in trees was made straight ahead. Post accident investigation found dirt and sludge in the main fuel line. When the dirt and sludge was removed the engine performed satisfactorily. The owner/pilot said he drained the sumps prior to takeoff.
Source record
Factual narrative
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