The 550 series includes 550 in3 models in either naturally aspirated or turbocharged configurations. With the right combination of thrust and efficiency, our 550-series engines are powering some of the most successful and high performing aircraft in general aviation history like the Cirrus® SR22T and Beechcraft® Baron/Bonanza, and Mooney®. With a powerful range of 280 to 350 HP at 2500 to 2700 RPM, you’ll be glad you fly a 550.