Special use airspace
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Special use airspace (SUA), is an area designated for operations of a nature such that limitations may be imposed on aircraft not participating in those operations. Often these operations are of a military nature. The designation of SUAs identifies for other users the areas where such activity occurs, provides for segregation of that activity from other users, and allows charting to keep airspace users informed of potential hazards. SUA's are usually depicted on aeronautical charts.
Special use airspace includes: Restricted airspace, Prohibited airspace, Military Operations Areas (MOA), Warning areas, Alert Areas, Temporary Flight Restriction(TFR), and Controlled Firing Areas.