Boeing 707

The Boeing 707 was Boeing's first production jet transport family and one of the aircraft that established long-range jet travel at airline scale. Developed from the 367-80 demonstrator, it entered airline service in 1958; later variants increased range and adopted turbofan engines for transcontinental and transatlantic routes. The family also supported cargo and government derivatives, while its six-abreast fuselage became the starting point for Boeing's later narrow-body jetliners. A single size or capacity does not describe the whole 707 family. Boeing's 707-120B drawing gives 44.22 m length and 39.88 m span, whereas the intercontinental 707-320B is 46.61 m long with a 44.42 m span. The 720/720B is a separate shorter, lighter branch, so its dimensions and operating weights should not be applied to the 707-320B.