Antonov An-22
The Antonov An-22 "Antei" (Russian: Ан-22 Антей, romanized: An-22 Antey; lit. 'Antaeus'; NATO reporting name: "Cock") is a retired heavy military transport aircraft designed by the Antonov Design Bureau in the Soviet Union. Powered by four turboprop engines, each driving a pair of contra-rotating propellers, its design was the first wide-body transport aircraft and remains the world's largest turboprop-powered aircraft to date.