A unique light lift UAV that may utilize various radiation detection payloads. This custom vehicle features reliability and endurance all in a small user-friendly package. The hexacopter configuration provides plenty of lift for light to medium loads along with great performance in wind. This proven design adds a layer of redundancy and safety. The vehicle is fast and highly maneuverable. The RadKnight system is designed to enter areas where Risk to personnel exist to provide live time radiological data thru the Q Ground Control and proven Spir Ident Software. The Vehicles are excellent choices for providing live time information for Emergency Preparedness Organizations to First Responders.