
1) American jazz ensemble
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https://www.crosswordclues.com/clue/free-flight
[air traffic control] Free flight is a developing air traffic control method that uses no centralized control (e.g. air traffic controllers). Instead, parts of airspace are reserved dynamically and automatically in a distributed way using computer communication to ensure the required separation between aircraft. This new system may be imple...
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http://en.wikipedia.org/wiki/Free_flight_(air_traffic_control)
[model aircraft] The segment of model aviation known as free flight is the original form of the aeromodeling hobby, extending back centuries. == Description == The essence of free-flight is that the aircraft have no need for external control, for instance by radio. Aircraft of this type have been flown for over two centuries. They are desig...
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http://en.wikipedia.org/wiki/Free_flight_(model_aircraft)

unassisted or unconstrained flight, as the flight of a rocket or missile without guidance or after fuel exhaustion or motor cutoff.
Found on
https://www.infoplease.com/dictionary/free-flight
No exact match found.