found: Wikipedia, March 25, 2008("The Bell Helicopter Textron UH-1 Iroquois, commonly (or officially in the United States Marine Corps) known as the "Huey"; multipurpose military helicopter, famous for its use in the Vietnam War. The "U" stands for utility, in contrast to attack or cargo helicopters ... first used by the military in 1959; went into ... production in 1962 ... The initial designation of HU-1 (helicopter utility) led to its nickname, Huey ... last ... produced in 1976") Bell 204/205 page (Bell 204 and 205 are the civil versions of the ... UH-1 Iroquois military helicopters)