"V-12 water cooled engine"@en . "116"^^ . . "805.0"^^ . "3836.0"^^ . "prop"@en . "26"^^ . "645.0"^^ . . . "14850.0"^^ . . . "Douglas C-1"@en . "74.0"^^ . "101.0"^^ . "1925"^^ . "1770.0"^^ . . "1076.96"^^ . "17.25 m"@en . "Six passengers or 2,500 lb cargo"@en . . "2922.0"^^ . "85"^^ . . "0.11"^^ . "8"^^ . "McDonnell Douglas Aircraft since 1920"@en . "Two"@en . "0.068"^^ . "1"^^ . "385"^^ . "The Douglas C-1 was a cargo/transport aircraft produced by the Douglas Aircraft Corporation for the United States Army Air Service starting in 1925."@en . "Transport"@en . "10.77 m"@en . "4,525 m"@en . "4.27 m"@en . "The Douglas C-1 was a cargo/transport aircraft produced by the Douglas Aircraft Corporation for the United States Army Air Service starting in 1925."@en . . "Douglas Aircraft Company"@en . . "plane"@en . . "74.8"^^ . . "435.0"^^ . . "426.72"^^ . "6443.0"^^ . . "3.3"^^ . . "325.0"^^ . "1925-05-02"^^ . "39.1"^^ . . "335.0"^^ . "1724.66"^^ .