Sukhoi Su-57 ( PAK50)

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Su-57 Sukhoi T-50 A T-50 prototype for the Su-57 flies at the MAKS 2011 air show Role Stealth air superiority fighter National origin Russia Manufacturer Sukhoi First flight 29 January 2010[1] Introduction 2019 (planned)[2][3] Status Final flight testing/pre-production[4] Primary users Russian Air Force Russian Navy[5] Produced 2009–present Number built 10 flyable prototypes[6][7][8] Program cost US$8–10 billion (est.)[9][10][11] Unit cost T-50: US$50 million[12] Variants Sukhoi/HAL FGFA The Sukhoi Su-57 (Russian: Сухой Су-57)[13] is the designation for a stealth, single-seat, twin-engine multirole fifth-generation jet fighter being developed for air superiority and attack operations.[14] The aircraft is the product of the PAK FA (Russian