Origins
In 1979, the Soviet Union outlined a need for next-generation fighter aircraft intended to enter service in the 1990s. The programme became … See more

Su-57
Su-57 is the first production variant for the Russian Aerospace Forces. Flight testing began with the T … See more

Russia
• Russian Aerospace Forces – 22 in service as of December 2023 (one damaged in June … See more

Data from Aviation Week, Key Aero, Crecy Publishing
General characteristics
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The Su-57 is a fifth-generation multirole fighter aircraft and the first operational stealth aircraft for the Russian armed forces. In addition … See more

Testing and trials
Even before the first flight of the T-50 prototype, several subsystems were tested on other aircraft for validation and risk reduction; an Su-27M was used to test the AL-41F1 engine on 21 January 2010, while another tested the … See more

On 10 June 2014, the fifth flying prototype, aircraft T-50-5, was severely damaged by an engine fire after landing. The pilot managed to escape … See more