An aircraft that flies without an onboard pilot, controlled remotely or autonomously (commonly called a drone); used for surveillance, surveying, delivery, research, military applications, etc.
無人航空機は災害現場の被害状況を素早く把握するのに役立つ。
Unmanned aerial vehicles are useful for quickly assessing damage at disaster sites.
物流会社が小型の無人航空機で宅配する実験を始めた。
A logistics company has started trials of delivering packages with small unmanned aerial vehicles.
国土交通省は無人航空機の飛行ルールを定めている。
The Ministry of Land, Infrastructure, Transport and Tourism sets flight rules for unmanned aerial vehicles.