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Flight Information Regions for Italy. In aviation, a flight information region (FIR) is a specified region of airspace in which a flight information service and an alerting service (ALRS) are provided. [1] The International Civil Aviation Organization (ICAO) delegates which country is responsible for the operational control of a given FIR. FIRs ...
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:
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. The purpose of control is to promote the safe, orderly, and expeditious flow of air traffic [2] and prevent collisions.
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). [4] 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 related implementation of flight information service is commonly known as UNICOM, but in some situations, this service is provided by the primary FSS frequency (callsign RADIO), in addition to which a few U.S. airports now also have bespoke AFIS services, but this is implemented as a recording similar to ATIS and AWOS, not a live service.
The ICAO code is based on the region and country of the airport—for example, Charles de Gaulle Airport has an ICAO code of LFPG, where L indicates Southern Europe, F, France, PG, Paris de Gaulle, while Orly Airport has the code LFPO (the 3rd letter sometimes refers to the particular flight information region (FIR) or the last two may be ...
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Class A is used at or above FL245 (24,500 ft; 7,450 m) in the Auckland Oceanic Flight Information Region. Class B is not used. Class C is used for control zones around major airports and associated surrounding control areas and en-route airspace in the New Zealand Flight Information Region.