Boeing 707 Douglas competition, Boeing soon realized this would not provide a viable payload, so it widened the fuselage to to allow five-abreast seating and use of the KC-135's tooling. Douglas Aircraft had launched its DC-8 with a fuselage width of . The airlines liked the extra space and six-abreast seating, so Boeing increased the 707's width again to compete, this time to . The first flight of the first-production 707-120 took place on December 20, 1957, and FAA certification followed on September 18, 1958. Both test pilots Joseph John "Tym" Tymczyszyn and James R. Gannett were awarded the first Iven C.
William Boeing 74, just three days before his 75th birthday, and a year before the first successful commercial jet airliner, the Boeing 707, would take its first flight. He was pronounced dead on arrival at the Seattle Yacht Club, having had a heart attack aboard his yacht in Puget Sound, Washington. His ashes were scattered off the coast of British Columbia, where he spent much of his time sailing the "Taconite", his yacht. He was posthumously inducted into the Aviation Hall of Fame in Dayton, Ohio, in 1966. In 1984, Boeing was inducted into the International Air & Space Hall of Fame