Yury Slyusar, head of the United aircraft Corporation, said that the test operation of model aircraft su-57 fifth generation, which is known as PAK FA or T-50, will last a few years. This statement Slyusar announced in an interview with TASS.
CEO explained that test flights of the fighter has only just begun and held for several years. It is noted that the PAK FA (Prospective airborne complex of frontline aviation) was launched for the first time seven years ago. At the moment, experts say that the su-57 mounted engine — 117C of the first stage, but soon the specialists will provide the fighter a new engine, which is what is conventionally called the «engine of the second stage».
Delivery of aircraft model T-50 for use by the Russian military will be implemented in 2019, when they will finish all the testing work. According to Yuri Slyusar, the first batch of vehicles will consist of 12 models.