Boeing 707 version was numbered 707-320. Pan Am was the first airline to operate the 707; the carrier inaugurated 707 service with a christening at National Airport on October 17, 1958, attended by President Eisenhower, followed by a transatlantic flight for VIPs (personal guests of founder Juan Trippe) from Baltimore's Friendship International Airport to Paris. The aircraft's first commercial flight was from Idlewild Airport, New York, to Le Bourget, Paris, on October 26, 1958, with a fuel stop in Gander, Newfoundland. In December, National Airlines operated the first U.S. domestic jet airline flights between New York/Idlewild and Miami, using 707s leased from
South African Airways route in 1967; Cocos Islands was dropped, while Sydney became the terminus. Flights to New York, via Rio de Janeiro, started on 23 February 1969 using a 707. The first 707 of SAA landed in Europe in October 1961 with a nine-hour flight to Athens. The jets arrived during a period when most African countries, except SA's neighbours, denied South African airlines the use of their airspace, necessitating long detours. In 1967 the Skymasters, Constellations and DC-7Bs were being retired, replaced by the Boeing 727 trijet the following year to complement the Boeing 707. The choice of 727 was based