1948 Sabena DC-4 Crash was used by the Belgian airline company Sabena from 17 April 1946 until its destruction in 1948. The aircraft was mostly used in Belgian Congo and carried Regent Prince Charles of Belgium back to Belgium on 13 August 1947 after his official visit to Congo. The Sabena flight departed from Léopoldville-N'Djili Airport, Congo Democratic Republic en route to Libenge Airport, Congo Democratic Republic with 25 passengers and 7 crew members on board. While above the Congo rainforest, 27 km South of Libenge, at an altitude of 700 feet, the aircraft probably penetrated a very turbulent line of clouds or flew
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