. "56.0"^^ . . . "Mutual Aircraft Company"^^ . . "640.08"^^ . . "The Mutual Blackbird was a late 1920s two-seat open cockpit sporting biplane."@en . . "Mutual Blackbird"@en . "6.40 m"^^ . "1929"^^ . . . . . . . . . "1931"^^ . . . . . "95.0"^^ . "two"^^ . "93.0"^^ . "plane"^^ . "185.0"^^ . . "preserved in museum"^^ . "153.0"^^ . "1"^^ . . . "prop"^^ . . . . "1"^^ . "9.14 m"^^ . "22374185"^^ . . . . . "668351538"^^ . "United States"^^ . "125"^^ . "Hess Warrior air-cooled radial"^^ . "914.4"^^ . "The Mutual Blackbird was a late 1920s two-seat open cockpit sporting biplane."@en . "two-seat biplane"^^ . . . "35.0"^^ . . . . . "115.0"^^ .