CTA is a FAA Acronym for: Controlled Time of Arrival ...
CTA - Control Area. An area of controlled airspace extending upwards from specified limit agl.
CTR - Control Zone. An area of controlled airspace extending upwards from ground level to a specified upper limit.
CTA (Central Travel Account)
Department account used primarily to charge airfare.
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A Control Area (CTA) is an aviation term that describes a volume of controlled airspace that exists in the vicinity of an airport. It has a specified lower level and a specified upper level.
12-mile limit and the oceanic CTA/FIR boundary within which air traffic control is exercised. These areas are established to permit the application of domestic procedures in the provision of air traffic control services.
See also: Flight, Aircraft, Airport, Pilot, Aviation