Sabena a lesser number of smaller Fokker VIIA and 14 Handley-Page types. It also flew British Westland Wessex aircraft. Sabena occasionally flew to tropical Africa, Belgium's Congo colony, but mostly these aircraft were shipped out. There was no direct flight yet between Belgium and the colony. As the 1930s progressed, Sabena cooperated with Air France and Deutsche Luft Hansa, which also had interests in routes to destinations across Africa. Sabena's first long-haul flight to the Congo occurred on 12 February 1935 and took five and a half days, for which Sabena used a Fokker F-VII/3m aircraft. The following year, Sabena purchased
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