The Challenger 605 was introduced in early 2006 as an avionics and structural upgrade of the 604 design, including larger windows and a rounded tailcone. The Challenger 605 offers an exceptional flight experience for up to 12 passengers, while boasting a range which lets it cross oceans and continental distances with ease and efficiency. With an incredibly wide cabin, offering ample space for both passengers and storage, the Challenger 604 and 605 provide an excellent environment for business, relaxation and entertainment.