Sabena Flight Academy a 'frozen' (becoming unfrozen when the candidate has completed 1500 hours in a multi-pilot environment) Airline Transport Pilot License (ATPL). The origins of the creation of a school providing training for future airline pilots were in 1953, when the Belgian government, which owned the aircraft, contracted the operation thereof to Sabena under the name "École d’aviation civile" (EAC). The theoretical and flight training parts were conducted at the airfield of Grimbergen in a building which no longer exists. Basic training was done using de Havilland DH.82 Tiger Moths, replaced in 1968 by Siai Marchetti SF260s, while advanced training was entrusted
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