Additional Participating Entity:
Federal Aviation Administration / Flight Standards District Office: Salt Lake City, Utah
Aviation Accident Factual Report - National Transportation Safety Board: https://app.ntsb.gov/pdf
USDA APHIS WS ATOC: http://registry.faa.gov/N6640Z
NTSB Identification: GAA17CA135
14 CFR Public Aircraft
Accident occurred Wednesday, February 08, 2017 in Price, UT
Aircraft: HUGHES OH 6A, registration: N6640Z
Injuries: 2 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 after landing to refuel, he reduced power to flight idle and initiated a 2-minute cool down prior to shutting off the engine. He further reported that one minute into the cool down, the fuel truck approached the helicopter from the rear and struck the main rotor blades.
The helicopter sustained substantial damage to the main rotor blades.
The pilot reported that there were no preaccident mechanical failures or malfunctions with the airframe or engine that would have precluded normal operation.