new interior. By the end of Sun 'n Fun 2011 the company indicated it had sold 16 of the new TTx model. At Sun 'n Fun in March 2012 the company announced that a flight-into-known icing package would be an option on the TTx model. The system will provide up to 2.5 hours icing protection. The design's production came to an end in February 2018. Sales of the model had been poor, with only 23 examples sold in 2017, compared to its main competitor, the Cirrus SR22, which sold 309 units that same year. Weights The 400's maximum take-off weight is 3600 lbs (1633 kg) and the maximum landing weight is 3420 lbs (1551 kg). A typical empty weight without deicing equipment is 2575 lbs (1168 kg). With a full fuel load this leaves 413 lbs (187 kg) for crew and baggage. Certification The aircraft was originally certified by the Federal Aviation Administration under FAR 23, on April 8, 2004 as the Model LC41-550FG (for Lancair Certified, Model 41, Continental 550 engine, Fixed Gear) and marketed under the designation Columbia 400. EASA certification was added in February 2009. The Cessna 400 is certified in the Utility Category, with a positive limit maneuvering load factor of 4.4, whereas most comparable aircraft (such as the Cessna 182 and Cirrus SR22) were certified in the Normal Category with a load factor of 3.8. The 400 has a certified airframe maximum life of 25,200 flight hours. Variants Columbia 400 Initial model produced by Columbia Aircraft Cessna 400 TT Corvalis Initial Cessna-produced model, TT designating Twin Turbocharged Cessna TTx Model T240 Improved Cessna model announced in March 2011, with upgraded avionics and interior. The TTx first flew on 2 March 2013 and is equipped with Garmin G2000 14 avionics and a Continental TSIO-550-C. Certification for Flight Into Known Icing (FIKI) was added in June 2014. Specifications (Cessna 400) See also References External links Official website archives on Archive.org Columbia 400 Review 400 400 1990s United States civil utility aircraft Single-engined tractor aircraft Low-wing aircraft Aircraft first flown in 2004