Russia Starts Testing Twin-Seat Variant of Su-57 Felon

According to a post by the popular FighterBomber Telegram channel, Russia has started the taxi trials of a twin-seat variant of the Su-57, with a new cockpit reminiscent of the Su-30 Flanker. Claims emerged on May 16, 2026, mention a twin-seat variant of the Su-57 Felon is currently undergoing taxi trials. The information was shared […]