On June 18, 1986, a Grand Canyon Airlines flight is doing a sightseeing tour over the Grand Canyon when something goes terribly wrong. What caused this flight to crash alongside Helitech flight 2?

Thanks to our listener James for recommending this episode and our friend Betony for guesting!

Photo Sources:

1986 Grand Canyon mid-air collision - Wikipedia

June 18, 1986: Grand Canyon Airlines, Inc. / Helitech Inc., deHavilland DHC-6 (N76GC) / Bell 206B III (N6TC) Mid-Air Collision, Grand Canyon, AZ - LOSTFLIGHTS

Research Source:

Report: Aircraft Accident Report: Grand Canyon Airlines, Inc., and Helitech, Inc., Midair Collision Over Grand Canyon National Park

faa_reauth_act_section_by_section.pdf

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FAA Launches Advisory Committee to Evaluate Commercial Air Tour Safety