Small unmanned aircraft
Small unmanned aircraft · General
an unmanned aircraft weighing less than 55 pounds on takeoff, including everything that is on board or otherwise attached to the aircraft.
Source: 14 CFR § 1.1
Small unmanned aircraft · General
an unmanned aircraft weighing less than 55 pounds on takeoff, including everything that is on board or otherwise attached to the aircraft.
Source: 14 CFR § 1.1