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  2. ICAO airport code - Wikipedia

    en.wikipedia.org/wiki/ICAO_airport_code

    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 quarterly in ICAO Document 7910: Location Indicators, are used by air traffic control and airline operations such as flight planning.

  3. Airline codes - Wikipedia

    en.wikipedia.org/wiki/Airline_codes

    The ICAO airline designator is a code assigned by the International Civil Aviation Organization (ICAO) to aircraft operating agencies, aeronautical authorities, and services related to international aviation, each of which is allocated both a three-letter designator and a telephony designator. These codes are unique by airline, unlike the IATA ...

  4. List of airports by ICAO code: A - Wikipedia

    en.wikipedia.org/wiki/List_of_airports_by_ICAO...

    "ICAO Location Indicators by State" (PDF). International Civil Aviation Organization. 17 September 2010. Archived from the original on 9 March 2013. "United Nations Code for Trade and Transport Locations". UN/LOCODE 2011-2. UNECE. 28 February 2012. - includes IATA codes; Aviation Safety Network - IATA and ICAO airport codes

  5. List of airline codes - Wikipedia

    en.wikipedia.org/wiki/List_of_airline_codes

    ICAO code no longer allocated FPY African Company Airlines: AFRICOMPANY Democratic Republic of the Congo Defunct. [9] ICAO code in use by another company. [citation needed] FRJ Afrijet Airlines: AFRIJET Nigeria FRK Afrika Aviation Handlers: AFRIFAST Kenya FRQ Afrique Chart'air: CHARTER AFRIQUE Cameroon FRT Aerofreight Airlines: Russia FST Aeros ...

  6. Machine-readable passport - Wikipedia

    en.wikipedia.org/wiki/Machine-readable_passport

    A machine-readable passport (MRP) is a machine-readable travel document (MRTD) with the data on the identity page encoded in optical character recognition format. Many countries began to issue machine-readable travel documents in the 1980s. Most travel passports worldwide are MRPs. The International Civil Aviation Organization (ICAO) requires ...

  7. International Civil Aviation Organization - Wikipedia

    en.wikipedia.org/wiki/International_Civil...

    icao.int. Politics portal. The International Civil Aviation Organization (ICAO / ˌaɪˈkeɪoʊ / eye-KAY-oh) is a specialized agency of the United Nations that coordinates the principles and techniques of international air navigation, and fosters the planning and development of international air transport to ensure safe and orderly growth. [2]

  8. Aviation transponder interrogation modes - Wikipedia

    en.wikipedia.org/wiki/Aviation_transponder...

    There are 16,777,214 (2 24-2) unique ICAO 24-bit addresses (hex codes) available. [5] [6] The ICAO 24-bit address can be represented in three digital formats: hexadecimal, octal, and binary. These addresses are used to provide a unique identity normally allocated to an individual aircraft or registration. As an example, following is the ICAO 24 ...

  9. List of aircraft registration prefixes - Wikipedia

    en.wikipedia.org/wiki/List_of_aircraft...

    ICAO (2012). Annex 7, Aircraft Nationality and Registration Marks (PDF) (6 ed.). International Civil Aviation Organization. p. 15. ISBN 9789292490119. Archived (PDF) from the original on 2023-03-24. Robertson, Bruce (1976). Aircraft Markings of the World 1912-1967. Aero Publishers. pp. 21–115. ISBN 9780900435096.