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  • Boeing 307 Stratoliner (C-75) Passenger Airliner

    Just ten of the Boeing Model 307 Stratoliner were built, some seeing service during World War 2 as part of the USAAF.

     Updated: 4/25/2016; Authored By Staff Writer; Content ¬©www.MilitaryFactory.com

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    Boeing 307 Stratoliner Technical Specifications

    Service Year: 1940
    Type: Passenger Airliner
    National Origin: United States
    Manufacturer(s): Boeing Company - USA
    Production Total: 10

    Structural (Crew Space, Dimensions and Weights)

    Operating Crew: 5
    Length: 73.82 feet (22.5 meters)
    Width: 108.27 feet (33.00 meters)
    Height: 20.83 feet (6.35 meters)

    Weight (Empty): 29,994 lb (13,605 kg)
    Weight (MTOW): 45,007 lb (20,415 kg)

    Installed Power and Standard Day Performance

    Engine(s): 4 x Wright GR-1820-G102A radial piston engines developing 1,100 horsepower each.

    Maximum Speed: 241 mph (388 kph; 210 knots)
    Maximum Range: 1,752 miles (2,820 km)
    Service Ceiling: 23,310 feet (7,105 meters; 4.41 miles)

    Armament / Mission Payload


    Global Operators / Customers

    Cambodia; Ecuador; France; Haiti; Laos; United States

    Model Variants (Including Prototypes)

    Model 300 - Original Concept Design

    Model 307 - Base Series Designation; five-man crew; Wright Cyclone GR-1820-G102 engines; single-speed supercharger.

    Model 307B - Seven-man crew; Wright Cyclone GR-1820-G105A engines; two-speed supercharger.

    Model 307B-1 - Post-WW2 model; Wright Cyclone GR-1820-G606 engines; B-17 bomber wings; B-29 electronics fit.

    C-75 - USAAF model of WW2; five examples; sans pressurized cabin.