|  |  | AN-225: The Worldâ€™s Heaviest and Largest Jet (Pics) englishrussia.com — Antonov or AN-225 is the worldâ€™s heaviest and largest jet ever built with the landing gear system of 32 wheels and a wing span of 291 feet. It was designed for the Soviet space program in 1988 and able to airlift the Energia rocketâ€™s boosters, Buran space shuttle or ultra-heavy and oversize freight.More... (General Sciences) Comments Email Added 2007-10-11 16:50:06 supernova17