The Douglas DC-9 is a short-medium range twin-engine airliner, developed by Douglas, which was manufactured from 1965 to 1982. It later evolved into a family of aircraft, including the McDonnell Douglas MD-80 and the Boeing. 717

Aero California was a Mexican airline based in La Paz, Mexico that has been suspended from operations since July 24, 2008, by the Secretary of Communications and Transportation, in addition to its workers being on strike. In 1960 and due to the need to cover some particular routes, Aero California was born in La Paz, Baja California Sur. Its initial fleet consisted of a Cessna 185 and a Beechcraft D 18. By 1980 four McDonnell Douglas DC-3s were added to the fleet. The registration numbers of these ships were: XA-IOR, XA-JAE, XA-JIE and XA-RAM. At that time the color scheme or design of the aircraft was the colors brown, red, orange and yellow, separated by a white line. In the summer of 1982, the first DC-9-15 arrived with the registration XA-BCS; And flights begin from La Paz to Los Mochis and Tijuana, from Tijuana to Los Mochis and Guadalajara. In 1988, 4 DC-9-14/15 joined the fleet, the next year another one the the first two DC-9-32s with the registrations XA-SWG and XA-SWH. In 1995 three more DC-9-32s would arrive (XA-SYD, XA-TAF and the XA-TBQ).