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unmanned aircraft
transp., avia. aeronave não tripulada; veículo aéreo não tripulado
 English thesaurus
unmanned aircraft
avia., Canada A power-driven aircraft, other than a model aircraft, that is designed to fly without a human operator on board. aircraft UA, and unmanned aircraft system (UAS)
USA An aircraft that does not carry a human operator and is capable of flight with or without human remote control (JP 3-30)
Unmanned Aircraft
abbr. UA (Alex Lilo)