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Controlled airspace is airspace of defined dimensions within which air traffic control (ATC) services are provided. [1] [2] The level of control varies with different classes of airspace. Controlled airspace usually imposes higher weather minimums than are applicable in uncontrolled airspace. [3] It is the opposite of uncontrolled airspace.
The United States airspace system's classification scheme is intended to maximize pilot flexibility within acceptable levels of risk appropriate to the type of operation and traffic density within that class of airspace – in particular to provide separation and active control in areas of dense or high-speed flight operations.
If the airspace is not Class A, B, C, or D, and is controlled airspace, then it is Class E airspace. Class E airspace extends upward from either the surface or a designated altitude to the overlying or adjacent controlled airspace. When designated as a surface area, the airspace is configured to contain all instrument procedures.
Mr Butterworth-Hayes continued: "This is the most controlled bit of airspace in the world. You have both US government and civilian systems - Ronald Reagan airport is even owned by the government ...
A control area normally established at the confluence of ATS Routes in the vicinity of one or more major aerodromes. TMA: Terminal maneuvering area: A designated area of controlled airspace surrounding a major airport where there is a high volume of traffic. TRSA: Terminal radar service area
An American Airlines flight collided with a Black Hawk helicopter in Washington DC. The nation's capital is home to some of the most congested and highly governed airspace. Reagan National Airport ...
The accident, which occurred in what Dr. Bubb refers to as “one of the most tightly controlled airspaces in the country,” has baffled both military personnel and aviation experts
This airspace roughly corresponds to the former Airport Traffic Area. Class E airspace is the airspace that lies between Classes A, B, C, and D. Class E extends from either the surface or the roof of the underlying airspace and ends at the floor of the controlled airspace above.