Special Flight Rules Area

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In United States aviation, a Special Flight Rules Area (SFRA) is a region in which the normal regulations of flight do not apply in whole or in part, especially regulations concerning airspace classification, altitude, course, and speed restrictions, and the like.

Examples of SFRAs include those surrounding the Grand Canyon and the Washington, D.C. metropolitan area, and the SFRA within the Class B airspace of Los Angeles International Airport.