Ornadyne O1
Ornadyne ornithopter drone that flies by flapping semi-rigid wings instead of propellers.
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30 October 2026
A bird-mimicking flapping-wing drone was classed as a bird by detection sensors at a US Air Force test event
United States: the maker Ornadyne says other vendors' sensors at the "Game of Drones" event could not identify its O1 as a drone.
US Air Force (via DVIDS)