The Cessna Citation CJ2 (Model 525A) is a 5' stretch extension of the Cessna Citation CJ1 (Model 525) first delivered in the year 2000. The 525A comes in two forms, the original CJ2 and the newer CJ2+, which has updated avionics, increased performance, and FADEC controls. The CJ2+ was first delivered in April 2006.