The Cessna Model 411 is an American twin-engined, propeller-driven light aircraft built by Cessna Aircraft. It was that company's largest business aircraft to enter production when it first flew in 1962.
Design and development
The 411 is an eight-seat low-wing twin-engined cabin monoplane with 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 and 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 whilst 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.
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.
Operators
Military operators
France
French Air and Space Force - Six 411s were delivered between 1966 and 1969 as communications aircraft, the four surviving aircraft were transferred to the CEV in 1973 and 1974. Two were used by Groupe de Liaisons Aériennes Ministérielles for VIP transport duties.
Specifications
Data from Jane's All The World's Aircraft 1965-66
General characteristics
Crew: two
Capacity: four to six passengers
Length: 33 ft 5+1⁄2 in (10.20 m)
Wingspan: 39 ft 10+1⁄4 in (12.15 m)
Height: 11 ft 6+1⁄2 in (3.52 m)
Wing area: 200 sq ft (19 m2)
Empty weight: 3,820 lb (1,733 kg)
Max takeoff weight: 6,500 lb (2,948 kg)
Fuel capacity: 170 US gal (140 imp gal; 640 L) standard, 196 US gal (163 imp gal; 740 L) with auxiliary tanks
Powerplant: 2 × Continental GTSIO-520 air-cooled geared, turbocharged flat-six engines, 340 hp (250 kW) each
Propellers: 3-bladed constant-speed, 7 ft 4 in (2.24 m) diameter
Performance
Maximum speed: 268 mph (431 km/h, 233 kn) at 16,000 ft (4,900 m)
Cruise speed: 216 mph (348 km/h, 188 kn) at 25,000 ft (7,600 m) (econ cruise)