The Cessna 441 Conquest II was the first turboprop-powered aircraft designed by Cessna and was intended to fill the gap between its piston-engined aircraft and business jets. Development of the Model 441 began in November 1974, with the first aircraft delivered in September 1977. It is a pressurized, twin-engine turboprop development of the Cessna 404 Titan. Its ICAO aircraft type designator is C441.