Boeing 707 lb (57.8 kN) with water injection. Maximum takeoff weight was 247,000 lb and first flight was on December 20, 1957. Major orders were the launch order for 20 707-121 aircraft by Pan Am and an American Airlines order for 30 707-123 aircraft. The first revenue flight was on October 26, 1958; 56 were built, plus seven short-bodied −138s; the last −120 was delivered to Western in May 1960. The 707-138 was a −120 with a fuselage 10 ft shorter than the others, with 5 ft (three frames) removed ahead and behind the wing, giving increased range. Maximum takeoff weight was
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