As the newest update to the Challenger series, the Challenger 604 was unveiled and delivered in 1996. Adding updated engines, the Challenger extended its range once again. The aircraft features a low swept wing with recognizable winglets and dual rear fuselage mounted turbofan engines. Each side of the fuselage has 7 cabin windows. The 604 has a swept T-tail with swept horizontal stabilizer and typically seats 10 to 12 passengers (although it is certified for a maximum of 19) plus a two man crew. It has a cruise speed of 459mph and a range of 4,077 nautical miles.