(aerospace engineering) An aircraft adapted to control by or through a preset self-reacting unit or a radio-controlled unit, without the benefit of a human pilot.
An aircraft, such as a drone, not piloted by a human, but usually flown by a preset or self-reacting device or radio commands. Also referred to as an RPV (remotely piloted vehicle), a UAV (unmanned aerial vehicle), or a UCAV (uninhabited combat aerial vehicle).