ICAO Location Indicators. This document contains a list of ICAO four- letter location indicators and, for ease of reference, corresponding three- character. The ICAO airport code or location indicator is a four-letter code designating aerodromes around the world. These codes, as defined by the International Civil Aviation Organization and published in ICAO Document Location. dépositaires sont affichées sur le site web de l’OACI, à l’adresse Édition n° , décembre Doc , Indicateurs d’emplacement.

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ICAO airport code – Wikipedia

Jordan and the West Bank. The exception to this rule is larger countries that have single-letter country codes, where the remaining three letters identify the airport.

Location Indicatorsare used by air traffic control and airline operations such as flight planning. For example, radio stations in Canada were already starting with “C”, so it seemed logical to begin Canadian airport identifiers with a C Cxxx.

Flight information regions are also identified by a unique ICAO-code. Not to be confused with International Air Transport Association airport code.


United Kingdom and Crown dependencies. Democratic Republic of the Congo. For bigger countries like the UK or Germany this is not feasible, given the limited number of letter codes. The second letter was more specific: Views Read Edit View history.

SamoaUnited States American Samoa. Saint Vincent and the Grenadines. British Indian Ocean Territory. From Wikipedia, the free encyclopedia. The International Civil Aviation Organization was formed in under the auspices of the United Nationsand it established Flight Information Regions FIR s for controlling air traffic and making airport identification simple and clear.

Europe had too many locations for only one starting letter, so it was split into Exxx for northern Europe and Lxxx for southern Europe. Chile including Easter Island also SH. The United States had many pre-existing airports with established mnemonic codes.

ICAO Global Air Navigation Plan – ICAO Location Indicators (Doc )

Republic of China Taiwan. There are a few exceptions to the regional structure of the ICAO code made for political or administrative reasons. New ZealandAntarctica. ICAO codes are commonly seen by passengers and the general public on flight-tracking services such as FlightAwarethough passengers will more often see the IATA codes, on their tickets and their luggage tags.


Most of the rest of the world was classified in a more planned top-down manner.

In general, the first letter is allocated by continent and represents a country or group of countries within that continent.

Kiribati Gilbert IslandsTuvalu. Code selections in North America were based on existing radio station identifiers. Further, in region L Southern Europeall available 2-letter prefixes have been exhausted and thus no additional countries can be added. ICAO codes are separate and different from IATA codeswhich are generally used for airline timetablesreservations, and baggage tags.

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April Learn how and when to remove this template message. Thus Uxxx referred to the Soviet Union with the second letter denoting the specific region within it, and ocao forth. Spain Ceuta and Melilla. Federated States of MicronesiaPalau.