Third T-50 PAK-FA prototype to fly soon Posted on October 28, 2011 by alert5 The third PAK-FA prototype will be ready for flight soon and the fourth aircraft is in the final stage of assembly. Related posts (Automatically Generated): First production AESA for Rafale will be delivered next month CH-53K assembly line opens at Sikorsky Florida facility Boeing Begins Final Assembly of 1st P-8A Poseidon Production Aircraft Japan approves construction of Mitsubishi ATD-X stealth fighter prototype Second X-47B ready for flight Second PAK-FA prototype flies