Sabena served by the airline. Sabena used landplanes for its Congo operations and a program of aerodrome construction was initiated in the Congo. This was finished in 1926 and Sabena immediately began flights within the Belgian colony, the main route being Boma-Léopoldville-Élisabethville, a 2,288 km (1,422 mi) route over dense jungle. First, flights were operated with De Havilland DH.50s, although these were quickly replaced by the larger Handley Page W.8f which had three engines and offered ten seats. By 1931 Sabena's fleet, including the aircraft used on the Congo network, totalled 43 aircraft. Its mainstay type was the Fokker F.VIIB with
Parks College Airline Air Lines". Ozark Air Lines had recently lost its operating certificate from the CAB and purchased the Parks airline only days into its new service to gain its certificate and routes. Ozark would eventually merge with Trans World Airlines in 1986, which in turn would merge with American Airlines in 2001. Mid-Continent would later become part of Braniff International Airways which ceased operations in 1982. The Parks College Airline fleet consisted of the following aircraft as of 1950: Parks College Airlines operated over 17 years without incident. Parks College Airline Parks College Airline was an defunct airline based in the