Hendrik Venter of DMI engineering created the Falcon 402: a converted Cessna 402 fitted with a single Walter M601D turboprop in the nose and replacing the two piston engines in the wings with new fuel tanks.
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Īnother modification for the 402C increases the maximum landing weight to 7,200 lb (3,266 kg), which allows commercial operators to fly with an increased payload on shorter routes. The Cessna 402C may be outfitted with vortex generators to increase maximum allowable takeoff weight to 7,210 lb (3,270 kg), with a zero-fuel weight of 6,750 lb (3,062 kg). Scenic Airlines of Las Vegas purchased rights to the design in 1977. Further modifications providing increased fuel capacity, higher gross weight, and lower minimum control speed were carried out in 1974 and the modification was re-certified. 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. Production stopped after the 1985 model year. After this change, the plane was named the Cessna 402C. Even with the weight increase, single-engine performance improved and the stall speed decreased by a couple of knots. Fuel capacity was increased to 213 US gallons (810 L). The engines' output was boosted to 325 hp (242 kW) each and max gross weight increased to 6,850 pounds (3,110 kg), creating a much more useful airplane. The landing gear track was also increased by 4 feet (1.2 m). The landing gear was replaced, using the simpler system from the Cessna 414.
In 1979, the 402s received a new wing, with a 5 feet (1.5 m) greater span. The Cessna 414 was given a clean wing in 1978. In 1976, the very similar Cessna 421 was produced with a new wing, no tip tanks, and a simpler fuel system.
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īetween 19, many changes were made to the airframe, including an optional engine fire extinguisher (1971), simpler exhaust system (1972), enlarged passenger windows (1973), equipment for flight into known icing conditions (1975), and an optional flushing toilet (1977). īy 1971, sales of the 401 had slowed to only 21 planes, so the model was discontinued. Also, optional larger fuel tanks, of 184 US gallons (700 L), became available. In 1970, various minor changes were made. In 1969, the 402's nose was stretched for added baggage space. A version without the large cargo door called the Cessna 401 was produced at the same time. The original Cessna 402 was introduced in 1967. The FAA granted certification to the Cessna 401 in October 1968 and the 402 in January 1969. Some aircraft have a propeller synchrophaser to reduce cabin noise and vibration. On later models cruise power was limited to 75% to reduce cabin noise. Ĭessna 401s and 402s are powered by 300 hp (224 kW) turbocharged Continental engines with three-bladed, constant speed, fully feathering propellers. Another goal was to avoid using the somewhat expensive and maintenance prone geared engines of the Cessna 411. One goal for the Cessna 401/402 was to improve upon the very bad single engine handling of the Cessna 411. The Cessna 401 and 402 were developments of the Cessna 411. Their goal was to be a workhorse, useful to cargo and small commuter airlines among other users. The Cessna 401 and 402 were developed to be non-pressurized twin engine piston aircraft.
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