Rostec has unveiled the export version of the fifth-generation Su-57 fighter equipped with a flat nozzle at Dubai Airshow 2025, held in Dubai from 17 to 21 November, according to the state corporation’s Telegram announcement.
The publication noted that the flat nozzle is designed to further reduce the aircraft’s visibility in both radar and infrared ranges.
“Firstly, the flat nozzle is intended to further reduce the aircraft’s detectability in radar and infrared spectrums. Secondly, it simply looks beautiful,” the statement declared.
Su-57E shown with AL-51F1 stage-two engine
Earlier, the AviaNews Telegram channel observed that the United Aircraft Corporation had displayed the Su-57E fitted with the “Izdeliye 30” AL-51F1 two-circuit turbofan engine, referred to as the power unit of the “second stage,” at the Dubai Airshow 2025.
In November 2024, the Military Informant Telegram channel published a photograph of a Su-57 equipped with the AL-51F1 engine, highlighting continuing progress in the fighter’s development.
Around the same time, the United Engine Corporation showcased a new engine for combat aircraft at the Airshow China 2024 exhibition, reflecting the broader modernization underway across Russian aerospace engine programs.
