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  2. Aeronautical Fixed Telecommunication Network - Wikipedia

    en.wikipedia.org/wiki/Aeronautical_Fixed...

    The message format of AFTN messages is defined in ICAO Annex 10 Aeronautical Telecommunications Volume II. [5] AFTN messages consist of a Heading, the Message Text and a message Ending. The message Heading comprises a Heading Line, the Address and the Origin.

  3. Convention on International Civil Aviation - Wikipedia

    en.wikipedia.org/wiki/Convention_on...

    The Convention on International Civil Aviation, also known as the Chicago Convention, established the International Civil Aviation Organization (ICAO), a specialized agency of the United Nations charged with coordinating international air travel. [2] The Convention establishes rules of airspace, aircraft registration and safety, security, and ...

  4. 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]

  5. Aviation English - Wikipedia

    en.wikipedia.org/wiki/Aviation_English

    Aviation English. Aviation English is the de facto international language of civil aviation. With the expansion of air travel in the 20th century, there were safety concerns about the ability of pilots and air traffic controllers to communicate. In 1951, the International Civil Aviation Organization (ICAO) recommended in "ICAO Annex 10 ICAO ...

  6. Secondary surveillance radar - Wikipedia

    en.wikipedia.org/wiki/Secondary_surveillance_radar

    The 16 million permutations of the 24-bit aircraft address codes have been allocated in blocks to individual states and the assignment is given in ICAO Annex 10, Volume III, Chapter 9. [ 17 ] A mode S interrogation comprises two 0.8 μs wide pulses, [ 18 ] which are interpreted by a mode A & C transponder as coming from an antenna sidelobe and ...

  7. Non-directional beacon - Wikipedia

    en.wikipedia.org/wiki/Non-directional_beacon

    NDBs used for aviation are standardised by the International Civil Aviation Organization (ICAO) Annex 10 which specifies that NDBs be operated on a frequency between 190 kHz and 1750 kHz, [2] although normally all NDBs in North America operate between 190 kHz and 535 kHz. [2] Each NDB is identified by a one, two, or three-letter Morse code ...

  8. PANS-OPS - Wikipedia

    en.wikipedia.org/wiki/PANS-OPS

    PANS-OPS. PANS-OPS is an air traffic control acronym which stands for Procedures for A ir N avigation Services – Aircraft OPerationS. PANS-OPS are rules for designing instrument approach and departure procedures. Such procedures are used to allow aircraft to land and take off when instrument meteorological conditions (IMC) impose instrument ...

  9. Aviation call signs - Wikipedia

    en.wikipedia.org/wiki/Aviation_call_signs

    Commercial operators, including scheduled airline, air cargo and air taxi operators, will usually use an ICAO or FAA-registered call sign for their company.By ICAO Annex 10 Chapter 5.2.1.7.2.1 - Full call signs type C, a call sign consists of the telephony designator of the aircraft operating agency, followed by the flight identification.