3:50pm PDT - June 17th, 2023

#OTD in 1986: Grand Canyon Airlines Flight 6 (DHC-6) and a Helitech Bell 206 Helicopter on sightseeing tours over Grand Canyon (US), collide in mid-air. All 25 aboard both planes die - deadliest chopper crash on the US - leading to revise operation of scenic flights in the area. https://t.co/dszxTvTLvk

6 retweets   1 likes  - Air Safety #OTD by Francisco Cunha (@OnDisasters)