Aviation Accident Summaries

Aviation Accident Summary GAA17CA355

Williams, CA, USA

Aircraft #1

N6180A

BELL UH1B

Analysis

The helicopter pilot reported that, while maneuvering at a low altitude during an agricultural application flight, he "forgot to duck" for some nearby transmission wires. The tail rotor struck the transmission wires, and the helicopter impacted terrain. The helicopter sustained substantial damage to the tailboom. The pilot reported that there were no preaccident mechanical failures or malfunctions with the helicopter that would have precluded normal operation.

Factual Information

The helicopter pilot reported that, while maneuvering at a low altitude during an aerial application flight, he "forgot to duck" for some nearby transmission wires. The tail rotor struck the transmission wires and the helicopter impacted terrain. The helicopter sustained substantial damage to the tailboom. The pilot reported that there were no preaccident mechanical failures or malfunctions with the helicopter that would have precluded normal operation.

Probable Cause and Findings

The pilot’s failure to maintain clearance from transmission wires while maneuvering at a low altitude during an agricultural application flight.

 

Source: NTSB Aviation Accident Database

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