The Cessna Citation CJ4 is a light jet. It is the newest and largest model of the Citation CJ line. It has the same cabin cross-section as the CJ3, but 21 inches longer. Cessna introduced the CJ4 in 2010, and it is one of the largest aircraft in the light jet class. Design highlights include a new wing design for better range performance, heated windshields to reduce cabin noise, improved hydraulic and electrical systems for better reliability, and raised cabin windows to improve visibility for passengers. The standard interior configuration offered is 6-place interior. An optional 2-place side facing divan with a smaller refreshment center can be installed to accommodate up to eight passengers.