俄罗斯已公布其苏-57"重罪犯"战斗机的双座型号，联合飞机公司（UAC）宣布该机型于2026年5月19日完成首飞。这款命名为苏-57D"重罪犯-X"（北约报告名称尚未分配字母后缀）的双座战机，其机身编号为055的样机由苏霍伊设计局首席试飞员谢尔盖·博格丹完成首飞。
作为俄罗斯国家技术集团子公司的联合飞机表示："第五代苏-57双座战斗机原型机已完成首飞。"
俄罗斯第一副总理丹尼斯·曼图罗夫在纪念活动致辞中指出，苏-57D在基础作战能力之外，还可用于作战训练及充当指挥控制平台。联合飞机公司首席执行官瓦迪姆·巴杰哈补充称，他预计这款新型苏-57将获得"可观的"出口订单。
但在此次披露之前，外界并不知晓俄罗斯正在制造苏-57的双座本。不过据报道，俄罗斯曾在2010年代中期向印度宣传过，用于其五代战斗机（FGFA）/透视多用途战斗机（PMF）。
更多详情请参见《印度航展2025：俄罗斯向印度提供苏-57》
信息来源：《简氏新闻》
Russia has revealed a twin-seat variant of the Sukhoi Su-57 ‘Felon' combat aircraft, with United Aircraft Corporation (UAC) announcing its maiden flight on 19 May 2026.
Designated the Su-57D ‘Felon-X' (no letter suffix to the NATO reporting name has yet been assigned), the twin-seater bearing the bort number 055 was flown for the first time by Sukhoi Design Bureau chief test pilot Sergey Bogdan.
“The first flight of the prototype two-seat ‘fifth-generation' Su-57 fighter has taken place,” UAC, a part of the Rostec State Corporation, said.
Speaking to mark the event, the First Deputy Prime Minister of Russia Denis Manturov noted that, further to its baseline combat capabilities, the Su-57D has been designed to function as an operational trainer and as a command and control platform. UAC CEO Vadim Badekha added that he expects the new variant of the Su-57 to receive “significant” export orders.
Prior to this disclosure, Russia was not known to be building a twin-seat version of the Su-57. It had, however, reportedly touted the concept to India for its Fifth Generation Fighter Aircraft (FGFA)/Perspective Multi-Role Fighter (PMF) requirement in the mid-2010s.
For more, please see Aero India 2025: Russia offers Su-57 to India

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