It was that company's largest business aircraft to enter production when it first flew in 1962. The 411 is an eight-seat low-wing twin-engined cabin monoplane retractable landing gear and an airstair entrance door. It has two 340 hp (254 kW) Continental GTSIO-520-C engines with three-bladed propellers. It has a retractable tricycle landing gear and an airstair door. The prototype first flew on 18 July 1962. During 1965 Cessna developed two generally similar and lower-cost versions, the Model 401 and Model 402. Production of the 411 finished in 1968. A pressurized version of the 411 was developed as the Cessna 421. Variants Cessna 411 Production variant, obtained type certificate awarded in 1964, 252-built.[1][2] Cessna 411A A 411 with larger nose baggage capacity but the same overall length fuselage and optional tanks in engine nacelles, type certificate awarded in 1967, 50 built.
