That same year, the autogyro was employed by the Spanish military during the Asturias revolt, becoming the first military deployment of a rotocraft. Autogyros were also employed in New Jersey and Pennsylvania for delivering mail and newspapers prior to the invention of the helicopter. Though lacking true vertical flight capability, work on the autogyro forms the basis for helicopter analysis.
That same year, the autogyro was utilized by the Spanish military during the Asturias revolt, becoming the first military application of a rotorcraft. Autogyros were also used in New Jersey and Pennsylvania to deliver mail and newspapers before the invention of the helicopter. Although lacking true vertical flight capability, work on the autogyro laid the groundwork for helicopter analysis.