The Reaper was flying a combat mission when operators lost "positive control" of the UAV, or the ability to establish connections and send control inputs to the remote-controlled aircraft.

“收获者”执行飞行作战任务时，导航员既失去了对无人机的“实际控制”，也不能与遥控飞机建立联系并发送控制输入信号。

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And there is a growing community of hobbyists who attach satellite-positioning units, cameras and other sensors to remote-controlled aircraft, turning them into UAVs.

而且要提到的是，现今社会出现一个日益增长的癖好者的群体，他们偏好将卫星定位装置、摄像装置以及其它传感器装备在远程操控的飞机上，这样飞机也就成了无人机。

youdao

He added that he enjoys ultralight aircraft and remote-controlled airplanes, had equipment in his home used for three motor-powered paragliders and had wanted to teach his Chechen friends how to fly them.

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Unmanned aerial systems, sometimes called drones, and other remote-controlled planes could pose a risk to larger passenger aircraft if they collided or were sucked into an engine.

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