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.
Boeing Field Calgary, Alberta in Canada. West Coast, which had its headquarters in the Seattle area and operated all of its flights from Boeing Field, merged with Pacific Air Lines and Bonanza Air Lines to form Air West (which was later renamed Hughes Airwest) with these successor air carriers continuing to serve Seattle via Boeing Field with DC-9 jets and F-27 propjets until Hughes Airwest moved all of its flights to Seattle-Tacoma International Airport in 1971. Aeroamerica, an airline based at Boeing Field from 1971 to 1982 which operated Boeing 707 and Boeing 720 jetliners, flew nonstop service at one point to