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The primary responsibility of Chicago Center is sequencing and separation of over-flights, arrivals, and departures in order to provide safe, orderly, and expeditious flow of aircraft. Chicago Center covers approximately 91,000 square miles (240,000 km 2 ) of the Midwestern United States , including parts of Illinois , Indiana , Michigan ...
The United States has 22 Air Route Traffic Control Centers (ARTCC). [1] They are operated by and are part of the Federal Aviation Administration of the U.S. Department of Transportation . An ARTCC controls aircraft flying in a specified region of airspace, known as a flight information region (FIR), typically during the en route portion of flight.
This temporary flight restriction map from the Federal Aviation Administration shows the boundaries of the regions controlled by the area control centers within and adjoining the contiguous United States, as well as the FAA location identifier of each such center operated by the United States. In air traffic control, an area control center (ACC ...
The Air Route Surveillance Radar is a long-range radar system. It is used by the United States Air Force and the Federal Aviation Administration to control airspace within and around the borders of the United States. The ARSR-4 is the FAA's most recent (late 1980s, early 1990s) addition to the "Long Range" series of radars.
Area control centers (ACCs) control IFR air traffic in their flight information region (FIR). The current list of FIRs and ACCs is maintained by the International Civil Aviation Organization (ICAO). The following is the alphabetic list of all ACCs and their FIRs as of October 2011 [update] :
Permanent System radar stations, the Air Defense Command manual network of radar stations prior to deployment of SAGE; Pinetree Line, a series of radar stations located across southern Canada at about the 50th parallel north. Lashup Radar Network radar stations, the radar stations deployed 1950-2 when the "Radar Fence" Plan was not approved
The need for a secondary radar system developed from the limitations of primary radar and need for more information by air traffic controllers due to the increasing postwar volume of air traffic. The primary radar displays a "return" indiscriminately from any object in its field of view, and cannot distinguish between aircraft, drones, weather ...
Air traffic control systems gradually evolved from the old sweeping radar to modern computer-driven systems showing maps, weather information, aircraft routes and digitized radar tracks on an ergonomically-designed console. Whereas in the past the information came only from a radar, current systems use inputs from a variety of sources.