MOSCOW, August 16. /TASS/. Government certification tests of the S-111 communication system for the fifth generation jet Sukhoi-57 (PAK FA) will be over by the end of this year, a spokesman for ...

The project, known during its design phase as the PAK-FA, has since become the Su-57. It would have featured Russia’s famed Sukhoi and India’s lesser known Hindustan Aeronautics Limited.