Aug 15, 1998
Accident
Substantial PALMER, AK
InjuriesNone
Phase of Flight-
ConditionsVMC
OperationFAR 091
Probable Cause
Fatigue of the forward end of the engine crankshaft resulting in separation of the propeller assembly, and the operator's failure to comply with a required maintenance procedure. A factor was uneven terrain.
NTSB ANC98LA131