On June 18, 1986, Grand Canyon Airlines flight 6, a De Havilland Canada DHC-6 Twin Otter, and Helitech Flight 2, a Bell 206 helicopter, collided over Grand Canyon National Park, all 25 passengers and crew were killed, it remains the deadliest accident involving a helicopter on United States soil, surpassing the crash of Los Angeles Airways Flight 841, which killed 23 people, the National Transportation Safety Board investigated the accident and found that most aviation travel points going over the Grand Canyon overlapped each other and could cause other collisions between aircraft, the Federal Aviation Administration imposed changes to the operation scenic flights over the Grand Canyon.
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1986 Grand Canyon Mid Air Collision
Oct 15, 2024
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