Assertion: pilot's aircraft | /r/CapableOf | operate without active human control
Facets:
value: during piloted
type: TEMPORAL
value: during flight
type: TEMPORAL
Source sentences:
text: Unmanned aerial vehicles (UAVs, also known as "drones") operate without a pilot on-board and are classed into two categories: autonomous aircraft that operate without active human control during flight and remotely piloted UAVs which are operated remotely by one or more persons.