Izvestia reports that Russia will test the upgraded SU-57 from summer of 2022 and complete testing in two years.
Alex Beltyukov – RuSpotters Team [CC BY-SA 3.0 GFDL 1.2], via Wikimedia Commons
The fighter will have new engines and avionics. The hydraulic actuators will be replace by electric ones. The cockpit will get wide-angle heads up display and panoramic display panels.
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