The Sukhoi Su-31 is a Russian aerobatic aircraft designed for advanced flight training and aerobatic performances. It features a low-wing monoplane design and is powered by a single piston engine, allowing for impressive maneuverability and agility in the air. The aircraft is known for its ability to perform complex aerobatic maneuvers, making it popular among aerobatic teams and pilots. First introduced in the late 1990s, the Su-31 has been used in various airshows and competitions worldwide. Its design incorporates advanced aerodynamics and a lightweight structure, contributing to its exceptional performance. The aircraft is often praised for its stability and responsiveness, making it suitable for both novice and experienced pilots.