Nov 21, 1991
Incident
Minor BUFFALO, NY
InjuriesNone
Phase of Flight-
ConditionsVMC
OperationFAR 135
Probable Cause
A FATIGUE FRACTURE ON THE PROPELLER SHAFT, THAT ORIGINATED AT A SUBSURFACE SLAG INCLUSION, WHICH REMAINED IN THE MATERIAL USED TO MANUFACTURE THE SHAFT.
NTSB NYC92IA035