The Cessna 421 aircraft for sale is stemmed from the Cessna 411. This is a twin-engine transport aircraft. The difference between the 421 and the 411 is that the 421 is pressurized. The 421 engine is a Continental GTSIO-520-D. The gearing is set so the drive shaft goes through the reduction gears to get to the propellers. The production of the Cessna 421 for sale began in 1967. There was the 421A that came to the market in 1968 and then the aircraft was redesigned in 1970 which was then called the 421B. By 1975 a third redesign came out called the 421C that had the feature of the wet wing. The 421C model had straight-leg to trailing-link design. By 1985, the production of the airplane ended having had 1901 made. The certification of the Cessna 421 was first done in 1967. The certificate it holds is the same as the other 400 models. There have been certain modifications made on the 421 model so it can have a turboprop engine which results in it being very similar to the model 425. The used Cessna 421 for sale can seat up to six passengers. The aircrafts length is 36.9 ft. (11.09 m) and the height is 11.5 ft. (3.49 m). The wingspan is 41.1 ft. (12.53 m) and the wing area is 215 ft. squared (19.97 m squared). The aircrafts weight, when empty, is 4,501 lbs. (2,041 kg) and the maximum takeoff weight is 7,450 lbs. (3,379 kg). The fastest this fine airplane can fly is 256 knots (475 km/h, 295 mph) when at 20,000 ft. (6,100 m). The cruising speed is 240 knots (444 km/h, 276 mph) when at 25,000 ft. The aircrafts range is 1,487 nmi (2,755 km, 1,712 miles). The service ceiling is 30,200 ft. (9,205 m) and the rate of climb is 1,940 ft./min (9.9 m/s). The used Cessna 421 is a safe and dependable aircraft. The owner will be satisfied with its roomie interior, powerful engine, and strong airframe. The Cessna 421 aircraft sales is available on all the Flying Online network of websites.