Twin-Seat Sukhoi Su-57D Performs First Flight
Su-57D twin-seat variant during maiden test flight.
Credit: UAC
The twin-seat version of the Sukhoi Su-57 fifth-generation fighter jet performed its first flight on May 19, reported the aircraft’s manufacturer, Russia’s United Aircraft Corporation (UAC). Sukhoi’s chief test pilot Sergey Bogdan confirmed that during the 40-minute flight the aircraft’s stability...
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