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
Boeing Renton Factory the Boeing C-97 Stratofreighter for the United States Air Force. In all, 943 C-97s were built in the Renton plant. In May 1954 the prototype of what would become the Boeing 707, the Boeing 367-80, was rolled out at the Renton plant starting a long association with the production of the Boeing 707 line. When the first production Boeing KC-135 Stratotanker first flew in August 1956 from Renton it was named "City of Renton". The first production Boeing 707 was rolled out at Renton on 28 October 1957 and production continued to the last 707. The Boeing 707 final assembly