Sabena 548 crashed while preparing to land at Brussels on 15 February 1961. The United States Figure Skating Team was aboard the aircraft, en route from New York to Prague via Brussels to compete in a figure skating championship. Six Caravelle jetliners were introduced on all medium-haul routes in Europe from February 1961, being flown on most routes alongside the Convair 440s, until the early 1970s. The beginning of the 1960s saw a major upheaval for Sabena in the Congo. Widespread rioting against Belgian colonials in the months leading up to, and after the independence of the Democratic Republic of the
Airline teletype system although it is now owned by Rockwell Collins. In 1949, the Société Internationale de Télécommunication Aeronautique (SITA) was formed as a cooperative by 11 airlines: Air France, KLM, Sabena, Swissair, TWA, British European Airways, British Overseas Airways Corporation, British South American Airways, Swedish AB Aerotransport, Danish Det Danske Luftfartselskab A/S, and Norwegian Det Norske Luftfartselskap. Their aim was to enable airlines to be able to use the existing communications facilities in the most efficient manner. Morse code was the general means of relaying information between air communications stations prior to World War II. Generally, it was only necessary to relay