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by Peter Ward_1 · Posted
What are they and who uses them? Some call them drones, some apply the label “quadcopters” as a blanket term—though they can have any number of rotors or even be planes—the FAA calls them “unmanned aerial systems” (UAS). I prefer to call them “unmanned aerial vehicles” (UAVs), a neutral term broad enough to safely include pretty much the whole gamut, from Hubsan nano drones up to commercial and military aircraft weighing hundreds of pounds and basically the size of small manned planes.