The
Antonov An-225 Mriya (,
NATO reporting name: "
Cossack") is a
strategic airlift cargo aircraft that was designed by the
Soviet Union's
Antonov Design Bureau in the 1980s. The An-225's name,
Mriya (
Мрiя) means "Dream" (Inspiration) in
Ukrainian. It is powered by six turbofan engines and is the longest and heaviest airplane ever built, with a
maximum takeoff weight of 640 tonnes. It also has the largest wingspan of any aircraft in operational service. The single example built has the
Ukrainian civil registration
UR-82060. A second airframe was partially built; its completion was halted because of lack of funding and interest.