American Champion Aircraft Corporation, located in Rochester, Wisconsin, is a manufacturer of general aviation aircraft. Founded in 1988 on the acquisition of the Champ, Citabria, Scout, and Decathlon, it has been producing replacement parts for these aircraft since that time; it has as well been producing new aircraft since 1990.The Champ, Citabria, Decathlon, and Scout designs were obtained from Bellanca which had acquired Champion Aircraft Corporation in 1970.