Preliminary Accident Reports

April 2011 Issue

February 4, 2011, Elverta, Calif., MD Helicopters 500E

The helicopter became entangled with a sock line rope used to string power lines at about 1422 Pacific time and crashed, sustaining substantial damage. The commercial pilot and one passenger sustained serious injuries. Visual conditions prevailed. The operator reported that the helicopter was working on a project to construct 30 miles of high-power electrical lines, which are oriented north-south. During the operation, the main rotor blades made contact with the sock line rope, which wrapped around the mast as the blades pulled it in.

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