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
Association of European Airlines operated over 8,000 flights a day, serving 530 destinations in 140 countries, with a global turnover of €100 billion. AEA traces its history back to 1952, when the Presidents of Air France, KLM, Sabena and Swissair formed a joint study group, shortly afterwards expanded with the addition of BEA (a forerunner of British Airways) and SAS. In February 1954, the Air Research Bureau was established on a permanent basis, in Brussels. The name was subsequently changed to the European Airlines Research Bureau and - in 1973 - the AEA. Shortly after the ARB was established, the 1954 Strasbourg Conference on