An unmanned aircraft weighing less than 55 pounds on takeoff, including everything that is on board or otherwise attached to the aircraft.
Source FAA Pilot/Controller Glossary · checked 2026-08-25
An unmanned aircraft weighing less than 55 pounds on takeoff, including everything that is on board or otherwise attached to the aircraft.
Source FAA Pilot/Controller Glossary · checked 2026-08-25