Jul 12, 2002
Accident
Substantial Laurel, MT
InjuriesNone
Phase of Flight-
ConditionsVMC
OperationFAR 091
Probable Cause
Undertorqued mounting bolts which resulted in fatigue to the wooden propeller blade and subsequent in flight separation of one of the blades while in cruise flight. An improper installation of the propeller assembly and soft terrain encountered during the landing roll were factors.
NTSB SEA02LA130