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
Sabena from Seaboard World Airlines, using them mainly on transatlantic routes. In the same period, there were experiments with helicopter passenger service using Sikorsky S-58 aircraft from Brussels to Antwerp, Rotterdam, Eindhoven and the Paris heliport at Issy-les-Moulineaux. 1960 saw the introduction of the Boeing 707-320 intercontinental jet for trans-Atlantic flights to New York. SABENA was mainland Europe's first airline to operate a jet across the Atlantic (BOAC had been flying jet transatlantic services using the de Havilland Comet 4 since 4 October 1958). One of Sabena's aircraft became the first Boeing 707 to crash while in commercial service when Flight