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
Kuwait Airways delivery; it was informed late that year that the airline would not take them. Three Boeing 707-320Cs were ordered in . The carrier made its first profit ever in 1968, with a net income of £910,000. During 1972, Kuwait Airways' consecutive profitable year, the airline had a net profit of £2.9 million. By , the fleet had reduced to five Boeing 707-320C aircraft. That year, flights to Colombo were launched. At , Faisal Saud Al-Fulaij, who employed 1,800, was the chairman of the corporation. In a deal worth million, two additional ex-Pan American Boeing 707-320Cs were subsequently purchased that year,