1986 British International Helicopters Chinook crash 1986 British International Helicopters Chinook crash On 6 November 1986, a Boeing 234LR Chinook helicopter returning workers from the Brent oilfield crashed on approach to land at Sumburgh Airport in the Shetland Islands. At from the runway the helicopter had a catastrophic forward transmission failure which de-synchronised the tandem rotors, causing the blades to collide. The helicopter crashed into the sea and sank. 43 passengers and two crew members were killed in the crash; one passenger and one crew member survived with wounds. The helicopter was normally based at Aberdeen Airport but had been based at Sumburgh Airport since 3
Lake Billy Chinook Lake Billy Chinook Lake Billy Chinook is a reservoir in Jefferson County in the U.S. state of Oregon. Created by the Round Butte Dam in 1964, Lake Billy Chinook lies in a canyon at the confluence of the Crooked, Deschutes, and Metolius rivers near Culver and Madras. It was named for Billy Chinook, a Native American of the Wasco tribe who traveled alongside American explorers John C. Frémont and Kit Carson in their expeditions of 1843 and 1844. The canyon in which Lake Billy Chinook lies was carved by the three rivers that flow into the lake. The Deschutes Formation