1986 British International Helicopters Chinook crash the Chinook was too big for the offshore support task and the remaining Chinooks were withdrawn and sold. All surviving aircraft now operate with Columbia Helicopters in heavy lift, non-passenger capabilities. 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
Defence Helicopter Flying School devices (provided by CAE Inc.) and two virtual reality trainers and a mock Chinook cabin. All aircrew instruction is carried out by Central Flying School (Helicopters) (CFS(H)) Instructors. These Instructors are a mix of military and civilian personnel personnel. The DHFS uses grass airfields at Ternhill and Chetwynd for helicopter training, both are located in Shropshire. Defence Helicopter Flying School The Defence Helicopter Flying School is a military flying school based at RAF Shawbury in Shropshire, England. The school is a tri-service organisation and trains helicopter aircrews for all three British armed forces, using the Airbus Juno HT1 and Airbus