Chief test pilot of Sukhoi Design Bureau, Hero of Russia Sergey Bogdan commented on the first flight of the two-seat version of the Su-57D and refuted claims about the alleged deterioration of the aircraft's controllability. His words were quoted by the OAK press service.
Источник изображения: OAK
The flight lasted about 40 minutes. Our task was standard. This flight confirmed that the stability and controllability characteristics fully correspond to the single-seat aircraft. Therefore, it is not possible to highlight any specific features.
According to Bogdan, the aircraft retained the characteristics of the basic Su-57 version, and all systems operated normally during testing.
Just as the single-seat aircraft was a combat aircraft, it showed the same characteristics. In general, all systems worked normally, there were no abnormal situations.
Earlier, the American publication The War Zone suggested that the two-seat version of the Su-57 allegedly might be inferior to the basic fighter in maneuverability and controllability due to design changes and increased aircraft weight.
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