"Unmanned aircraft" refers to flying machines that do not have a pilot onboard. They are controlled remotely by someone on the ground using advanced technology. Full definition
That team conducted research studies that enable safe and reliable deployment of unmanned aircraft systems for civilian, law enforcement, military and other uses. (sciencedaily.com)
Increasing use of Unmanned Aircraft Systems (UAS) Once regulatory hurdles for the use of autonomous air vehicles are cleared, UAS developments could give logistics companies the opportunity to move freight away from central hubs to dispersed regional airfields and change how we transport goods by air. (politics.co.uk)
«We've got work upcoming that's probably going to involve Conoco and a new aircraft system called Silent Falcon,» said Ro Bailey, director of the Pan-Pacific UAS Test Range Complex and deputy director of UAF's Alaska Center for Unmanned Aircraft Systems Integration. (cnbc.com)