<section begin=summary/>the cessna citation columbus (model 850) was a 4000 nmi range business jet project launched by cessna in february 2008 and cancelled in july 2009. it would have been the largest model of the cessna citation family at the time. powered by 8,830 lbf (39.3 kn) pw810 turbofans, the $27 million aircraft had a 709 sq ft (66 m²), 30° swept wing.<section end=summary/>