America News Agency

In a statement, Rostec said: “Specialists from the United Aircraft Corporation and the United Engine Corporation (part of the state corporation) have begun flight tests of the Product 177 engine as part of the fifth-generation Su-57 aircraft system.”

According to the statement, the flight conducted by test pilot Roman Kondratyev proceeded as planned, and the new engine operated reliably.

Rostec noted that the increased-thrust “Product 177” engine will enhance the aircraft’s flight performance and facilitate further development. The modernization is being carried out with air defense systems in mind, and specialists are expanding the capabilities of weapons and onboard systems.

The Su-57 is capable of performing a wide range of combat missions, striking air, ground, and sea targets. The aircraft can operate around the clock, even in adverse weather conditions and under electronic warfare, and its low observability ensures effectiveness despite modern air defense countermeasures.