Thursday, June 22, 2017

Bell UH-1B, N6180A, Jones Aviation Inc: Accident occurred June 21, 2017 in Williams, Colusa County, California

Additional Participating Entity: Federal Aviation Administration / Flight Standards District Office; Sacramento, California

Aviation Accident Final Report - National Transportation Safety Board: 

Investigation Docket - National Transportation Safety Board:

Aviation Accident Data Summary - National Transportation Safety Board:

Jones Aviation Inc: 

NTSB Identification: GAA17CA355
14 CFR Part 137: Agricultural
Accident occurred Wednesday, June 21, 2017 in Williams, CA
Probable Cause Approval Date: 08/22/2017
Aircraft: BELL UH1B, registration: N6180A
Injuries: 1 Uninjured.

NTSB investigators used data provided by various entities, including, but not limited to, the Federal Aviation Administration and/or the operator and did not travel in support of this investigation to prepare this aircraft accident report.

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.

The National Transportation Safety Board determines the probable cause(s) of this accident as follows:
The pilot’s failure to maintain clearance from transmission wires while maneuvering at a low altitude during an agricultural application flight.

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