1930:Approval of the first helicopter: the D'AT3, designed by Corradino D'Ascanio and equipped with a seven-cylinder, 150 hp FIAT A 50 radial engine (6,600 cc)

È il D'AT3 progettato da Corradino D'Ascanio con motore radiale FIAT A 50, sette cilindri 150 CV e 6600 cc.
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1930s to 50s > Approval of the first helicopter: the D'AT3, designed by Corradino D'Ascanio and equipped with a seven-cylinder, 150 hp FIAT A 50 radial engine (6,600 cc)