Amphibious helicopter The HUP-2 was able to taxi forward or backward on water, regardless of wind direction. The CH-46 Sea Knight and its Canadian variant, the CH-113 Labrador, can land on water and rest for up to two hours in calm water. The rear sponsons hold two of the three landing gear units as well as self-sealing fuel tanks. The helicopter began service with the United States Marine Corps in 1962, and with the Canadian military in 1963, and is used to carry cargo and combat troops. The Boeing CH-47 Chinook was made sufficiently watertight to allow it to land on water
1994 Scotland RAF Chinook crash 1994 Scotland RAF Chinook crash The 1994 Mull of Kintyre RAF Chinook crash occurred on 2 June 1994 at about 18:00 hours when a Royal Air Force (RAF) Chinook helicopter (serial number "ZD576", callsign "F4J40") crashed on the Mull of Kintyre, Scotland. The crash, which occurred during thick foggy conditions, resulted in the deaths of all twenty-five passengers and four crew on board. Among the passengers were almost all the United Kingdom's senior Northern Ireland intelligence experts. The accident holds the distinction of being the worst peacetime disaster to have been suffered by the RAF. In 1995, an RAF board