May 29, 1996
Accident
Substantial MOSCOW, ID
InjuriesNone
Phase of Flight-
ConditionsVMC
OperationFAR 137
Probable Cause
inflight loss of an unsecured access plug from the engine crankcase, which resulted in a loss of engine oil and a forced landing. Factors relating to the accident were: hilly terrain, and foreign material (engine oil) on the windscreen which limited forward visibility.
NTSB SEA96LA103