An update to the original Challenger 600, the Challenger 601-3A first flew in 1987. The updated Challenger has newer turbofan engines, as well as a new EFIS glass flightdeck. The aircraft features a low/swept wing with recognizable winglets, and dual, rear fuselage mounted turbofan engines. Each side of the fuselage has 6 cabin windows. The 601-3A has a swept T-tail with swept horizontal stabilizer and typically seats 10 passengers plus a two man crew. It has a cruise speed of 530mph and a range of 4390 miles.