Boeing 707 Air France (1/72 Scale) Plastic Aircraft Model KitDetails: In 1950, the Boeing company began to study a four engine aircraft with both civilian and military applications. On 14 May 1954, the Boeing factory in Renton produced a 367 80 which made its first flight on 15 July. This prototype will be used for the joint development of the KC 135 in flight refueling aircraft and the well known Boeing 707 civil aircraft. On 15 October, Pan American ordered its first six jets, Boeing 707 121s. Subsequently,