Originally Posted by 108buzz

In simple terms.Unmanned Aerial Vehicle (UAV) - Any vehicle that does not have a human physically in it, but it is being controlling remotely period!Unmanned Aerial System (UAS) - Any vehicle that does not have a human in it , but it is being controlling remotely by Line of Sight (LOS) or it is being controlled by video transmission. It may also be partially or fully autonomous by way of a computer or flight controller.Drone - An unmanned aircraft or ship that can navigate autonomously, without human control or beyond line of sight. (Loosely used definition) Any unmanned aircraft or ship that is guided remotely.Note: The FAA uses UAS because it defines both UAV and a Drone.