McDonnell Douglas MD-11
The MD-11 is a modernized, slightly stretched and re-engined development of the DC-10 trijet with three-engine medium- to long-range wide-body jet airliner, manufactured by McDonnell Douglas first commercial airliner. The MD-11 was the result of a two year study to find a replacement for the DC-10. Based on the DC-10 the MD-11 features a 5.71m (18ft 9in) a stretched fuselage, increased wingspan with winglets,modified tail with less sweepback, new engines (first version would have had a MTOW of 580,000 pounds and would have used CF6-C2 or PW 4000 engines). It also features an all-digital glass cockpit that decreases the flight deck crew from the three required on the DC-10 to two by eliminating the need for a flight engineer. The MD-11 was manufactured in five variants: -MD-11: the Passenger variant, -MD-11C: the Combi variant, -MD-11CF: the Convertible Freighter variant, -MD-11ER: the Extended Range variant, -MD-11F: the Freight transport