Jul 20, 2003
Accident
Substantial KOBUK, AK
Injuries1 minor
Phase of Flight-
ConditionsVMC
OperationFAR 091
Probable Cause
The pilot's inadvertent use of diesel fuel in a gasoline engine which resulted in a partial loss of engine power, and subsequent collision with trees during a forced landing after takeoff. A factor contributing to the accident was the pilot's inadequate preflight inspection of the airplane that failed to detect the presence of diesel fuel in the fuel supply.
NTSB ANC03LA083