Grand Canyon Airlines Flight 6

Last updated
1986 Grand Canyon mid-air collision
Grand Canyon Airlines Flight 6 ·Helitech Flight 2
Occurrence
DateJune 18, 1986
Summary Mid-air collision
Site Grand Canyon National Park, Arizona
Total fatalities25 (all)
Total survivors0
First aircraft
Scenic Airlines DHC-6-300 Twin Otter VistaLiner; N142SA@LAS;01.08.1995 (5027950928).jpg
A DHC-6 Twin Otter similar to the accident aircraft.
Type DHC-6 Twin Otter
Operator Grand Canyon Airlines
Registration N76GC
Flight origin Grand Canyon National Park Airport
Destination Grand Canyon National Park Airport
Passengers18
Crew2
Fatalities20 (all)
Survivors0
Second aircraft
Bell 206B G-BUZZ.jpg
A Bell 206 similar to the helicopter involved in the collision
Type Bell 206
OperatorHelitech
RegistrationN6TC
Flight origin Tusayan, Arizona
DestinationTusayan, Arizona
Passengers4
Crew1
Fatalities5 (all)
Survivors0

The 1986 Grand Canyon mid-air collision occured when Grand Canyon Airlines Flight 6, a de Havilland Canada DHC-6 Twin Otter that 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]

Contents

Collision

On the morning of the accident Grand Canyon Airlines Canyon 6 took off from Grand Canyon National Park Airport at 8:55 am for a sightseeing flight over Grand Canyon National Park with two pilots and 18 passengers on board; the pilots were operating their second scenic flight for the day. [3] At 9:13 am, Helitech Flight 2 took off from the company's heliport in Tusayan, Arizona for a 30-minute sightseeing flight. [3] At approximately 9:33 at an altitude of approximately 6,500 ft (2,000 m) the Bell 206 and DHC-6 collided, with the helicopter on the left of the Twin Otter and the two aircraft traveling at approximately right angles to each other. [3] The helicopter's main rotor struck the nose landing gear and tail of the Twin Otter. [3] The Bell 206's main rotor was torn off and disintegrated; and the Twin Otter's tail separated; causing both aircraft to crash. [3] All 20 passengers and crew on Canyon 6, and the pilot and four passengers on Tech 2, were killed in the accident. [3]

Cause

The National Transportation Safety Board found that the crews of the two aircraft failed to 'see and avoid' each other, but could not determine why this occurred due to the lack of recorded flight data (there being no requirement for such recording for the scenic flights that were being operated). [3] The accident investigation also found that the limited number of scenic points of interest in the Grand Canyon concentrated flights over these points, increasing the risk of collision; and recommended that the Federal Aviation Administration (FAA) regulate the separation of flight routes of fixed-wing aircraft and helicopters. [3] Following the accident the FAA imposed changes to the operation of scenic flights over the Grand Canyon. [3]

See also

Related Research Articles

This is a list of aviation-related events from 1977, This is the year of the second-deadliest air disaster in history, the Tenerife airport disaster. Here are the aviation events of 1977:

de Havilland Canada DHC-6 Twin Otter Utility transport aircraft family by de Havilland Canada

The de Havilland Canada DHC-6 Twin Otter, currently marketed as the Viking Air DHC-6 Twin Otter, is a Canadian 19-passenger STOL utility aircraft developed by de Havilland Canada and currently produced by Viking Air. The aircraft's fixed tricycle undercarriage, STOL capabilities, twin turboprop engines and high rate of climb have made it a successful commuter passenger airliner as well as a cargo and medical evacuation aircraft. In addition, the Twin Otter has been popular with commercial skydiving operations, and is used by the United States Army Parachute Team and the United States Air Force's 98th Flying Training Squadron.

de Havilland Canada DHC-3 Otter Utility aircraft family

The de Havilland Canada DHC-3 Otter is a single-engined, high-wing, propeller-driven, short take-off and landing (STOL) aircraft developed by de Havilland Canada. It was conceived to be capable of performing the same roles as the earlier and highly successful Beaver, including as a bush plane, but is overall a larger aircraft.

New York Airways

New York Airways was a helicopter airline in the New York City area, founded in 1949 as a mail and cargo carrier. On 9 July 1953 it may have been the first scheduled helicopter airline to carry passengers in the United States, with headquarters at LaGuardia Airport. Although primarily a helicopter airline operator with scheduled passenger operations, New York Airways also flew fixed wing aircraft, such as the de Havilland Canada DHC-6 Twin Otter 19-passenger STOL twin turboprop aircraft.

West Coast Air

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Kenn Borek Air Airline based in Calgary, Alberta, Canada

Kenn Borek Air is an airline based in Calgary, Alberta, Canada. It operates regional passenger and cargo services, contract operations in the Arctic and Antarctic and aircraft leasing. Its main base is at Calgary International Airport. It charters aircraft for scientific expeditions, oil exploration, etc., and operates air ambulance services.

Air Vegas

Air Vegas was an airline with its headquarters on the grounds of the North Las Vegas Air Terminal in North Las Vegas, Nevada. It operated daily sightseeing flights from Las Vegas to the Grand Canyon. Prior to moving to the North Las Vegas Airport its main bases were McCarran International Airport (LAS), Las Vegas and Henderson Executive Airport (HND), Las Vegas.

Grand Canyon National Park Airport

Grand Canyon National Park Airport is a state-owned public-use airport located in Tusayan, Arizona. A CDP in unincorporated Coconino County, Arizona, United States. It is near Grand Canyon National Park, 7 miles from the South Rim of the Grand Canyon. The airport is primarily used for scenic tours and charter flights, but there is scheduled commercial service.

Grand Canyon Airlines is a 14 CFR Part 135 air carrier headquartered on the grounds of Boulder City Airport, Boulder City, Nevada, United States. It also has bases at Grand Canyon National Park Airport and Page Municipal Airport, both in Arizona. It operates sightseeing tours and charter service over and around the Grand Canyon. Its headquarters and main operation center is Grand Canyon National Park Airport and Boulder City Airport, Nevada. The company slogan is With Grand Canyon Airlines, Your Memories are Cleared for Takeoff!

Tenzing–Hillary Airport Airport in Lukla, Nepal

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Los Angeles Airways Flight 841 1968 helicopter accident

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Golden West Airlines Flight 261 1975 mid-air collision

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2009 Hudson River mid-air collision 2009 aviation incident

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Grand Canyon Scenic Airlines Airline of the United States

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References

  1. "NTSB Identification: DCA86AA028B". National Transportation Safety Board. Retrieved 8 August 2016.
  2. Emslie, Robert. "The Tale of Los Angeles Airways and the Skycrane". Hooniverse. Retrieved 8 August 2016.
  3. 1 2 3 4 5 6 7 8 9 National Transportation Safety Board report of investigation into mid-air collision over Grand Canyon National Park