The IO-550 is a six-cylinder, air-cooled, horizontally opposed engine designed for general aviation aircraft. It is known for its reliability and performance, making it a popular choice among pilots and aircraft manufacturers. The engine typically produces around 300 horsepower, providing sufficient power for various aircraft models. This engine is part of the Lycoming family, which has a long history of producing aviation engines. The IO-550 features fuel injection, enhancing fuel efficiency and engine responsiveness. Its design allows for easy maintenance, contributing to its widespread use in both private and commercial aviation settings.