"7 m"@en . . "The Pitcairn OP (manufacturer designation: PCA-2) was the first rotary-wing aircraft to be seriously evaluated by any of the world's major air forces. The machine was not a helicopter, nor an airplane, but an autogyro. Pitcairn's model was never put into production for any military."@en . . "1"^^ . "313.0"^^ . "2"^^ . . "United States"@en . . . "703.5799999999999"^^ . "1386.0"^^ . "{name of first source}"@en . . "Reconnaissance autogyro"@en . "420.0"^^ . "1932"^^ . . "Retired"@en . . "3"^^ . "prop"@en . . "100"^^ . . "115"^^ . . "copter"@en . "9.1 m"@en . . "3057.0"^^ . "922.02"^^ . . "The Pitcairn OP (manufacturer designation: PCA-2) was the first rotary-wing aircraft to be seriously evaluated by any of the world's major air forces. The machine was not a helicopter, nor an airplane, but an autogyro. Pitcairn's model was never put into production for any military."@en . . . "Pitcairn OP"@en . "radial piston"@en .