Unmanned aircraft (UAV) (or unmanned aerial vehicle)Commonly referred to as a drone) is an aircraft without a human pilot on board and an unmanned vehicle type. UAVs are a part of an unmanned aircraft (UAS) system; which involves a UAV, a ground-based controller, and a communication system between the two. UAV flights can operate with varying degrees of autonomy: either remotely controlled by a human operator or autonomously controlled by onboard computers.UAVs were originally used for missions that were too "dull, dirty or dangerous" compared with crewed aircraft For people. While their use originated mainly in military applications, it is expanding rapidly for commercial, scientific, recreational, agricultural and other applications Policing and tracking, product delivery, aerial photography, fraud,And flying by drone.

Terminology

The term drone, more widely used by the public, was coined in reference to the early, remotely-flown target aircraft used to practice firing the guns of a battleship, and the term was first used with the target aircraft Fairey Queen of the 1920s and de Havilland Queen Bee of the 1930s. The similarly named Airspeed Queen Wasp and Miles Queen Martinet preceded these two in service until their final replacement.According to their 2005–2030 Unmanned Aircraft System Roadmap, the term unmanned aircraft system (UAS) was adopted by the United States Department of Defense (DoD) and the US Federal Aviation Administration in 2005