Sep 9, 2016
Accident
Substantial Peach Orchard, MO
InjuriesNone
Phase of Flight-
ConditionsVMC
OperationFAR 133
Probable Cause
The helicopter pilot’s failure to maintain sufficient separation between the main rotor blade and a power line during line guard installation, which resulted in an electrical arc to the main rotor.
NTSB GAA16CA480