Apr 29, 2011
Accident
Substantial Edgerton, IN
InjuriesNone
Phase of Flight-
ConditionsVMC
OperationFAR 137
Probable Cause
A loss of clearance between the tail rotor drive shaft and the tailboom bulkhead for undetermined reasons, which resulted in the overstress failure of the drive shaft.
NTSB CEN11LA315