In recent weeks, Russian media began to receive messages regarding two new events taking place with the PAK FA (Perspective aviation Frontline Aviation Complex). In addition to reports that the 6th prototype T-50 is already undergoing flight tests and another 5 vehicles are in the active assembly stage, Russian media reported that already in 2017 the T-50 will enter the service of the Russian Air Force or, in other words, just over a year later. Serial production of the aircraft will begin in the same year.