Claim: XL Airways UK had six kinds of aircraft in its fleet, with the narrow-body aircraft Boeing 737-800 having the most number of units.
Evidence: Airbus A330-200 1 Boeing 737-800 15 Boeing 737-900ER 2 Boeing 767-200ER 2 Boeing 767-300ER 3 Boeing 747-300 4 The Boeing 737 is a narrow-body aircraft produced by Boeing Commercial Airplanes at its Renton Factory in Washington. Introduced in 1997, the 737 Next Generation (NG) -600/700/800/900 variants have updated CFM56-7s, a larger wing and an upgraded glass cockpit, and seat 108 to 215 passengers.