NTSB Identification: WPR13IA059
Nonscheduled 14 CFR Part 135: Air Taxi & Commuter
Incident occurred Thursday, November 15, 2012 in Riverton, WY
Probable Cause Approval Date: 09/30/2013
Aircraft: BELL 407, registration: N7160V
Injuries: 3 Uninjured.

NTSB investigators used data provided by various sources and may not have traveled in support of this investigation to prepare this aircraft incident report.

The helicopter crewmembers were returning to their home base after transporting a patient. The pilot was flying the helicopter at en route altitudes of around 80-100 feet above ground level and struck power lines; he was not following company operating specifications of a minimum altitude of at least 300 feet. The pilot reported that he did not observe the wires until after the initial impact and was able to land the helicopter off airport without incident.

The National Transportation Safety Board determines the probable cause(s) of this incident to be:

The pilot’s failure to maintain sufficient altitude to clear power lines while maneuvering at low altitude. Contributing to the accident was the pilot’s failure to follow company operating specifications for minimum altitude.

Full narrative available

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