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
El Al El Al's success continued into the late 1960s. In 1968, regular flights to Bucharest were inaugurated, and cargo flights began to Europe and the United States. The airline also established a catering subsidiary, Teshet Tourism and Aviation Services Ltd. All these ventures brought in a profit of $2 million that year. In 1968, El Al experienced the first of many acts of terrorism that have been perpetrated against the airline. On 23 July, the only successful hijacking of an El Al aircraft took place, when a Boeing 707 carrying 10 crew and 38 passengers was taken over by three members