Boeing produced its dynamic featured commercial jet in the form of B707-300 till 1979. The different variants of this class appeared as B707-320, B707-320B, B707-320C. While keeping the name and the fame the same in the form of B707, digits 20 represents the operators and it varies from customer to customer. Boeing presented these aircraft to serve the increasing air transportation demand of passengers and cargo. However, in each of these classes, the company introduced different variations to meet the dominant demands of their respective operators.
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Technical Features of the Boeing 707-300
While maintaining the majority of the technical aspects constant, Boeing introduced specified variations in some of these aircraft. However, this model of B707-300 falls under the category of narrow-bodied aircraft with multi-jet engines. All of these four engines were mounted underwings. These aircraft had fixed wings and the manufacturer placed them at the lower position. They had a mid-set rectangular tail with tricycle retractable landing gears. The cockpit had a tendency to accommodate three crew members. These aircraft were capable of carrying 152,000 kg as maximum take-off weight.
Convertible Passenger-Freight Configuration
Engine Model Pratt and Whitney JT3D
Powerplant Four P&W Engines
This series of B707 had a special feature of carrying freight with that of passengers, hence making it a combine. The induction of this feature makes any jetliner capable of carrying the load in the form of cargo along with onboarding passengers equally. For this purpose, in 707-320C, Boeing installed a strengthened floor while equipped the 320B model with a new cargo door. Boeing built almost 335 of these aircraft and delivered them to both passenger and cargo airlines. However, the majority of the passenger airliners ordered this dual featured aircraft while only a few cargo carriers got its pure freighter model. While, Iranian go 14 of them for the purpose of transportation of VIPs, communication, and tasks of In-flight refueling.
Operators of B707-300
Owe to its feature of passenger-freighter conversion, this aircraft proved to be sold on a wide scale. From 1956-1994, Boeing delivered nearly 580 of these models all around the globe. The states which bought these aircraft belong to the continents like America, Europe, Australia, Asia, and Africa. This extensive consumption of this model shows the diversity of usage of this commercial jet.
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