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TRAFFIC MANAGEMENT INITIATIVE (TMI)

Airspace

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TMI

Tools used to manage demand with capacity in the National Airspace System (NAS). TMIs can be used to manage NAS resources (e.g., airports, sectors, airspace) or to increase the efficiency of the operation. TMIs can be either tactical (i.e., short term) or strategic (i.e., long term), depending on the type of TMI and the operational need.

Source FAA Pilot/Controller Glossary · checked 2026-08-25

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