Sabena Congo, caused thousands of Belgians to flee the country. The Belgian government commandeered Sabena's entire long haul fleet to get the refugees back to Europe. Independence also meant the end of the impressive regional network of routes that the airline had built up in the Congo since 1924. When the new republic began its own airline, Air Congo, in June 1961, Sabena held 30 percent of that airline's shares. The Douglas DC-6Bs remained in service with Sabena in the mid-1960s although they were no longer used on the airline's main routes. The Boeing 707s and Caravelles became the mainstay types
Sabena Douglas DC-7C was introduced for long-haul routes but this plane would begin to be supplanted after only three years by the jet age. It remained in service on the transatlantic route until 1962. On 3 June 1954, a Soviet Air Force Mikoyan-Gurevich MiG-15 (NATO reporting name "Fagot") attacked a Sabena-operated Douglas DC-3 on a cargo flight from the United Kingdom to Yugoslavia, killing the radio operator and wounding both the captain and engineer. Co-pilot Douglas Wilson managed to land in Austria but the plane suffered significant damage. For the 1958 world exposition in Brussels, Sabena leased two Lockheed Super Constellations