DC-10 Western AirlinesDC 10 Western Airlines airplane model. The McDonnell Douglas DC 10 was produced in three basic models, the Series 10 for domestic routes to 3,500 miles and the series 30 and 40 for extended range and intercontinental travel. DC 10s were modified as passenger cargo convertible versions and as the KC 10 aerial tanker for the Air Force. In addition to the luxury and spaciousness inherent in its wide cabin, the three engine DC 10 incorporated improvements