Russia's New PAK-FA Stealth Fighter Has A Big Problem
Russia’s Sukhoi T-50 PAK-FA stealth fighter program has suffered another delay. Testing of the of the powerful new jet’s second stage engine, which was supposed to start later this year, has been pushed back to 2018.
"At the moment, works are being carried out within the framework of contacts with the Russian Defense Ministry,” United Aircraft Corporation, Sergei Korotkov told the TASS news agency. “Flight tests are underway. We plan to enter the second stage of trials next year."