1986 Grand Canyon mid-air collision

1986 Grand Canyon mid-air collision
Grand Canyon Airlines Flight 6 · Helitech Flight 2

Occurrence
Date	June 18, 1986
Summary	Mid-air collision
Site	Grand Canyon National Park, Arizona
Total fatalities	25 (all)
Total survivors	0
First aircraft
A DHC-6 Twin Otter similar to the accident aircraft.
Type	DHC-6 Twin Otter
Operator	Grand Canyon Airlines
Call sign	CANYON 6
Registration	N76GC
Flight origin	Grand Canyon National Park Airport
Destination	Grand Canyon National Park Airport
Occupants	20
Passengers	18
Crew	2
Fatalities	20
Survivors	0
Second aircraft
A Bell 206 similar to the helicopter involved in the collision
Type	Bell 206
Operator	Helitech
Call sign	TECH 2
Registration	N6TC
Flight origin	Tusayan, Arizona
Destination	Tusayan, Arizona
Occupants	5
Passengers	4
Crew	1
Fatalities	5 (all)
Survivors	0

The Grand Canyon mid-air collision occurred when Grand Canyon Airlines Flight 6, a de Havilland Canada DHC-6 Twin Otter, collided with a Bell 206 helicopter, Helitech Flight 2, over Grand Canyon National Park on June 18, 1986. All 25 passengers and crew on board the two aircraft were killed. It remains the deadliest accident involving a helicopter on United States soil, surpassing the crash of Los Angeles Airways Flight 841 in 1968, which killed 23 people.^[1][2]