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.
Giles Guthrie in total. Guthrie resumed flying and captained proving flights of the VC10, including a transatlantic demonstration to Boston. BOAC were permitted to purchase two Boeing 707 freighters during 1965 and after taking full ownership of the BOAC-Cunard joint venture, the two Boeing 707 passenger jets which Cunard Line had contributed to the joint venture (through their Cunard Eagle Airways subsidiary) passed to BOAC. Passenger growth and load factors quickly increased under Guthrie's tenure, and he invested in larger aircraft with more passenger capacity than either the Vickers Super VC10 or the Boeing 707 could provide. Boeing and Pan American World