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Has no pilot.
A drone.
The aeroplane without a pilot is called a drone. Drones are useful in many situations.
The drone spied on the suspected terrorists.Unmanned drones are the future of bombing warfare, meaning zero pilot losses.The drone beeped and booped.He always likes to drone on about boring football.
A male bee whose only function is to mate with the queen bee.
It also refers to small planes operated by remote control, used for military purposes.