Juan de la Cierva: helicopter pionierJuan de la Cierva was born in Murcia on the 21th september 1895. His first gyroplane flew in 31. January in 1923 at the airport Cuatro Vientos, close to Madrid.
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Juan de la Cierva: helicopter pionierJuan de la Cierva was born in Murcia on the 21th september 1895. His first gyroplane flew in 31. January in 1923 at the airport Cuatro Vientos, close to Madrid.
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