The Cessna Citation M2 is an American turbofan-powered light corporate jet built by the Cessna Aircraft Company. The Citation M2 is based on the earlier Model 525 CitationJet (CJ1). The M2 was launched in September 2011 and it was described as a new light business jet. The M2 is based on the then out-of-production CJ1 variant and features a new cabin layout and a more efficient version of the William FJ44 engine. The M2 first flew on 9 March 2012.