For instance, in Albuquerque ARTCC the Southwest Area covers all southern Arizona-Phoenix Approach and a host of small airports as well as the southern ADIZ. Controllers are trained to operate all the sectors in their Area. Within each ARTCC are defined geographical Areas, each of which contains about six to nine sectors. The ARTCC facilities use computer displays extensively to provide real-time information to the controller. This is a special case where Restricted airspace precludes most air carrier traffic. In the west, Albuquerque Center has one sector where the controller works aircraft from the surface to 60,000 feet MSL. Sectors are adjusted according to the traffic they serve. For example, in areas of dense traffic one geographical area may have different sectors controlling aircraft below 18,000 feet MSL, another for altitudes between 18 and 28,000 feet, and a third for aircraft 29,000 thru 60,000 feet. The geographical area covered by each ARTCC spans several states and is divided into sectors both geographically and by altitude. As air traffic density moved west, new Centers were created to manage the flow and were initially built around densely populated areas. The Bureau of Air Commerce, within the Department of Commerce (DOC), took over their operation when it assumed responsibility for what was eventually known as “air traffic control” or ATC in July of 1936. A consortium of commercial airlines and airport operators established the first three Centers (Cleveland, Chicago and Newark) between 19. The BoundariesĬenter boundaries are oddly shaped, partially because they were not created at once. Others are recognizable if you are familiar with the suburb of a larger area in which they exist-ZOB is for Oberlin, Ohio outside of Cleveland, but it’s called Cleveland Center. Most are pretty obvious, ZAB-Albuquerque, ZDV for Denver. Each ARTCC has a unique facility ID beginning with the letter Z.
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January 2023
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