TOGIAK, AK, USA
N5314D
HUGHES 500-D
DURING CRUISE FLIGHT, A SECURING ROPE CAME LOOSE AND WRAPPED ITSELF AROUND THE TAIL ROTOR PITCH CONTROL. DURING THE AUTOROTATION, GROUND CONTACT WAS MADE IN A LEVEL ALTITUDE, BUT THE HARD LANDING CAUSED THE MAIN ROTOR BLADES TO SEVER THE TAILBOOM.
THE PILOT'S FAILURE TO SECURE THE CARGO PRIOR TO THE FLIGHT. CONTRIBUTING TO THE ACCIDENT WAS THE ROUGH, UNEVEN TERRAIN.
Source: NTSB Aviation Accident Database
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