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Military aircraft also use a dedicated UHF-AM band from 225.0 to 399.95 MHz for air-to-air and air-to-ground, including air traffic control communication. This band has a designated emergency and guard channel of 243.0 MHz. [2] [8] Radio aeronautical navigation aids use other frequencies.
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.
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). [1] Note that the cited ICAO source gives the shapefile coordinates for each FIR, and also its page source gives a list of current ACCs in text form.
The High Frequency Global Communications System (HFGCS) is a network of single sideband shortwave transmitters of the United States Air Force which is used to communicate with aircraft in flight, ground stations and some United States Navy surface assets.
Anchorage Air Route Traffic Control was the first facility in the world to begin using Automatic Dependent Surveillance-Broadcast (ADS) for air traffic control separation services using a 5 nautical miles (9.3 km) separation standard. It was first deployed on January 1, 2001 in that portion of western Alaska known as the Yukon-Kuskokwim Delta ...
Houston Air Route Traffic Control Center, United States. The United States Federal Aviation Administration (FAA) defines an ARTCC as: [a] facility established to provide air traffic control service to aircraft operating on IFR flight plans within controlled airspace, principally during the en-route phase of flight.
Its frequency range is extended and includes the following bands: VHF 30-88 MHz close air support; VHF 108-118 MHz navigation; VHF 118-137 MHz air traffic control; VHF 137-156 MHz land mobile; VHF 156-174 MHz maritime; UHF 225-512 MHz military/homeland defense; UHF 806-824, 851-869, 869-902, 935-941 MHz public safety bands
Atlanta Air Route Traffic Control Center (ZTL) (radio communications, "Atlanta Center") is one of 22 Air Route Traffic Control Centers operated by the United States Federal Aviation Administration. [1] It is located at 299 Woolsey Rd, Hampton, Georgia, United States. [2]