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Free Flight

A safe and efficient flight capability in which operators have the freedom to select a flight trajectory and speed of their own choosing. Air traffic restrictions would be imposed only to ensure separation, to preclude exceeding the destination airport’s capacity, to prevent unauthorized flight through special-use airspace or to ensure safety of flight. Restrictions would be limited in extent and duration only to correct a known problem. Any activity that removes current restrictions to airspace use represents a move toward Free Flight. Specific operating rules enabling Free Flight may be called (in the future) Electronic Flight Rules.


FAA AC 120-86

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