The Continental IO-240 is a four-cylinder, horizontally opposed aircraft engine designed for light aircraft. It has a displacement of 240 cubic inches and typically produces around 125 to 135 horsepower. This engine is known for its reliability and efficiency, making it a popular choice for flight schools and private pilots. The IO-240 features a fuel-injected system, which enhances performance and fuel efficiency compared to carbureted engines. It is commonly used in various aircraft models, including the Cessna 172 and Piper PA-28, providing pilots with a dependable power source for their flying needs.