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The Cessna 401 and 402 are series of 6 to 10 place light twin piston engine aircraft. This line was manufactured by Cessna from 1966 to 1985 under the name Utiliner and Businessliner. All seats are easily removable so that the aircraft can be used in an all-cargo configuration.
Neither the Cessna 401 and 402 were pressurized, nor are they particularly fast for the installed horsepower. Instead Cessna intended them to be inexpensive to purchase and operate.
Development
The Cessna 401 and 402 were developments of the Cessna 411. All 401s and 402s are powered by 300 hp (225 kW) turbocharged Continental engines with three-bladed, constant speed, fully feathering propellers. On later models cruise power was limited to 75% to reduce cabin noise. Some aircraft have a propeller synchrophaser to reduce cabin noise and vibration.
The Cessna 401s, 402s, 402As and some 402Bs built from 1966 to 1971 had four small oval windows, which gave the aircraft a similar appearance to the pressurized Cessna 340. Starting half-way through the production of the Cessna 402B the window configuration was changed to the more distinctive five rectangular windows, an arrangement that was retained through the 402C model, until the completion of production in 1987. All 402Bs were equipped with tip-tanks.
Modifications
In 1969, American Jet Industries began work on a turboprop-powered conversion of the Cessna 402, named the Turbo Star 402, using Allison 250-B17 engines. The prototype flew on 10 June 1970. Further modifications providing increased fuel tankage, higher gross weight, and lower minimum control speed were carried out in 1974 and the modification was recertificated. Scenic Airlines of Las Vegas purchased the rights to the design in 1977.
The Cessna 402C may be outfitted with vortex generators to increase maximum allowable takeoff weight to 7,210 lbs, with a zero-fuel weight of 6,750 lbs.
Another modification for the 402C increases the maximum landing weight to 7,200 lbs, which allows commercial operators to fly with an increased payload on shorter routes.
General characteristics
Crew: One or two
Capacity: Up to 9 passengers depending on configuration
Length: 36 ft 5 in (11.09 m)
Wingspan: 44 ft 2 in (13.45 m)
Height: 11 ft 6 in (3.49 m)
Wing area: 225.8 ft² (21.0 m²)
Airfoil: NACA 23018 (root) NACA 23015 (tip)
Empty weight: 4,069 lb (1,845 kg)
Loaded weight: 6,865 lb (3,114 kg)
Useful load: 2781 lb (1262 kg)
Max takeoff weight: 6,850 lb (3,107 kg)
Powerplant: 2× Continental TSIO-520-VB turbocharged, fuel-injected piston engines, 325 hp (240 kW) each.
Performance
Never exceed speed: 230 kts (266 mph, 428 km/h)
Maximum speed: 230 kts (266 mph, 428 km/h)
Stall speed: 71 kts (82 mph, 132 km/h)
Range: 1,273 nm (1,467 mi, 2,360 km)
Service ceiling: 26,900 ft (8,200 m)
Rate of climb: 1,450 ft/min (442 m/min)
Wing loading: 30.3 lb/ft² (148 kg/m²)
Power/mass: 10.5 lb/hp (0.15 kW/kg).
Source: Wikipedia .org.
Neither the Cessna 401 and 402 were pressurized, nor are they particularly fast for the installed horsepower. Instead Cessna intended them to be inexpensive to purchase and operate.
Development
The Cessna 401 and 402 were developments of the Cessna 411. All 401s and 402s are powered by 300 hp (225 kW) turbocharged Continental engines with three-bladed, constant speed, fully feathering propellers. On later models cruise power was limited to 75% to reduce cabin noise. Some aircraft have a propeller synchrophaser to reduce cabin noise and vibration.
The Cessna 401s, 402s, 402As and some 402Bs built from 1966 to 1971 had four small oval windows, which gave the aircraft a similar appearance to the pressurized Cessna 340. Starting half-way through the production of the Cessna 402B the window configuration was changed to the more distinctive five rectangular windows, an arrangement that was retained through the 402C model, until the completion of production in 1987. All 402Bs were equipped with tip-tanks.
Modifications
In 1969, American Jet Industries began work on a turboprop-powered conversion of the Cessna 402, named the Turbo Star 402, using Allison 250-B17 engines. The prototype flew on 10 June 1970. Further modifications providing increased fuel tankage, higher gross weight, and lower minimum control speed were carried out in 1974 and the modification was recertificated. Scenic Airlines of Las Vegas purchased the rights to the design in 1977.
The Cessna 402C may be outfitted with vortex generators to increase maximum allowable takeoff weight to 7,210 lbs, with a zero-fuel weight of 6,750 lbs.
Another modification for the 402C increases the maximum landing weight to 7,200 lbs, which allows commercial operators to fly with an increased payload on shorter routes.
General characteristics
Crew: One or two
Capacity: Up to 9 passengers depending on configuration
Length: 36 ft 5 in (11.09 m)
Wingspan: 44 ft 2 in (13.45 m)
Height: 11 ft 6 in (3.49 m)
Wing area: 225.8 ft² (21.0 m²)
Airfoil: NACA 23018 (root) NACA 23015 (tip)
Empty weight: 4,069 lb (1,845 kg)
Loaded weight: 6,865 lb (3,114 kg)
Useful load: 2781 lb (1262 kg)
Max takeoff weight: 6,850 lb (3,107 kg)
Powerplant: 2× Continental TSIO-520-VB turbocharged, fuel-injected piston engines, 325 hp (240 kW) each.
Performance
Never exceed speed: 230 kts (266 mph, 428 km/h)
Maximum speed: 230 kts (266 mph, 428 km/h)
Stall speed: 71 kts (82 mph, 132 km/h)
Range: 1,273 nm (1,467 mi, 2,360 km)
Service ceiling: 26,900 ft (8,200 m)
Rate of climb: 1,450 ft/min (442 m/min)
Wing loading: 30.3 lb/ft² (148 kg/m²)
Power/mass: 10.5 lb/hp (0.15 kW/kg).
Source: Wikipedia .org.
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