McDonnell Douglas DC-10 remote model. The body is the same as the DC-10, with a wingspan increase of 3.05 meters, an additional fuel tank, and a range increase of 10010 kilometers, mainly used for long-distance international routes. Carrying 270 to 380 passengers. Due to the increase in maximum takeoff weight, another landing gear was added between the main landing gears under the fuselage. Three CF6-50A or - 50C, or - 50C1, C2 or C2B turbofan are used, with a single thrust of 218.0 kN (22227 kg), 227 kN (23163 kg), 233.5 kN (23827 kg), or 236 kN (24082 kg). The maximum takeoff weight is 251745 kilograms, or 263085 kilograms. The first test flight took place on June 21, 1972. On November 21, 1972, it obtained the type certificate of the Federal Aviation Administration of the United States and was delivered for use