Sep 15, 1989
Accident
Destroyed ONTARIO, CA
Injuries1 fatal
Phase of Flight-
ConditionsVMC
OperationFAR 135
Probable Cause
FAILURE OF THE RIGHT PROPELLER HUB DUE TO METAL FATIGUE WHICH RESULTED IN CATASTROPHIC SEPARATION OF THE PROPELLER. CONTRIBUTING TO THE ACCIDENT WAS DAMAGE DONE TO THE AIRCRAFT AIRFRAME IN FLIGHT BY THE SEPARATING PROPELLER MAKING THE AIRCRAFT UNCONTROLLABLE.
NTSB LAX89FA314