Mar 3, 2007
Accident
Substantial Gustavus, AK
InjuriesNone
Phase of Flight-
ConditionsVMC
OperationFAR 135
Probable Cause
The inadequate clearance from a tranquilized moose while hovering in ground effect, and the operator's inadequate procedures for such operations, which resulted in an in-flight collision with the moose. Factors associated with the accident were the moose, a sheared tail rotor drive shaft, and the resultant lack of tail rotor anti-torque control.
NTSB ANC07LA022