New photo of PAK-FA T-50-6-2 Posted on May 27, 2016May 27, 2016 by alert5 The newest PAK-FA prototype, T-50-6-2, made its first flight last month. The aircraft is part of the 2nd stage development testing. Related posts (Automatically Generated): Third T-50 PAK-FA prototype to fly soon S-70i completes test program T-50-2 delivered to Russian Air Force Maiden flight of P.1HH HammerHead UAV announced KC-390 development program progressing on schedule Furloughs to affect F-35 development