Sukhoi T-50 (SU-57) The Sukhoi Su-57 is the designation for a stealth, single-seat, twin-engine multirole fifth-generation jet fighter being developed for air superiority and attack operations. The aircraft is the product of the PAK FA “Prospective Aviation Complex of Frontline Aviation”, a fifth-generation fighter programme of the Russian Air Force. Sukhoi’s internal name for the […]