A British student pilot was among three people killed after two helicopters collided in mid-air near McMinnville Municipal Airport in Oregon.
Texan flight instructor Maddie Aasbo, 22, who was flying with the unidentified Brit, and Tyler Delane Sturdevant, 38, also lost their lives.
The crash occurred at 2.10 pm local time in a field described as a privately owned farm close to the airport.
Authorities have not yet determined the cause of the collision.
According to the National Transportation Safety Board, the aircraft involved were a Robinson R22 Beta and an Airbus AS350B2 helicopter.
Police identified the occupants of the Robinson R22 as Maddie Aasbo and the UK student pilot, whose name is being withheld pending next-of-kin notification.
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