The Continental TSIO-520 is a six-cylinder, turbocharged aircraft engine commonly used in general aviation. It has a displacement of 520 cubic inches and is known for its reliability and performance in various light aircraft. The engine typically produces around 300 horsepower, making it suitable for both single and twin-engine planes. This engine features a horizontally opposed design, which helps reduce vibration and improve balance. It is often found in aircraft such as the Cessna 210 and Piper Aerostar, providing pilots with enhanced power and efficiency for various flying conditions.