The Su-57 fighter jet is a single seat twin engine stealth multi-functional heavy fighter jet of the Russian Air Force, and is the fifth generation fighter jet of Russia (referred to as the fourth generation fighter jet by Western countries). The Su-57 fighter jet has a maximum takeoff weight of 35000 kilograms, a supersonic cruising speed of up to 1450 kilometers per hour, a top speed of 2140-2600 kilometers per hour, a combat radius of 1200 kilometers, a combat payload of up to 6 tons, and four built-in weapon compartments. It can achieve a good combination of flight performance and stealth performance, and has the ability to engage in aerial combat and ground attack. It has the characteristics of good stealth performance, short takeoff and landing distance, super maneuverability, and supersonic cruising.