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  2. 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 ...

  3. Standards and Recommended Practices - Wikipedia

    en.wikipedia.org/wiki/Standards_And_Recommended...

    Standards And Recommended Practices (SARPs) are technical specifications adopted by the Council of ICAO in accordance with Article 38 of the Convention on International Civil Aviation in order to achieve "the highest practicable degree of uniformity in regulations, standards, procedures and organization in relation to aircraft, personnel, airways and auxiliary services in all matters in which ...

  4. 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 ...

  5. Airport reference point - Wikipedia

    en.wikipedia.org/wiki/Airport_reference_point

    An aerodrome reference point[1] (ARP), in some countries airport reference point, [2] is the designated geographical location of an aerodrome. [3] The geographic coordinates of an ARP are part of an aerodrome's entry in the AIP. Internationally, the rules governing the establishment of an aerodrome reference point are defined by the ICAO in ...

  6. Signal square - Wikipedia

    en.wikipedia.org/wiki/Signal_square

    A signal square is an aerodrome equipment internationally defined at the annex 14 of the Convention on International Civil Aviation by the International Civil Aviation Organization. [1] It contains ground symbols to indicate visually the conditions on the aerodrome to over-flying aircraft. There are four basic signals.

  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. Airport reference temperature - Wikipedia

    en.wikipedia.org/wiki/Airport_reference_temperature

    Aerodrome reference temperature is defined by ICAO (Convention on International Civil Aviation, Annex 14, Vol. I, 2.4.1) as the monthly mean of the daily maximum temperatures for the hottest month of the year (the hottest month being that which has the highest monthly mean temperature). This temperature should be averaged over a period of years.

  9. Visual approach slope indicator - Wikipedia

    en.wikipedia.org/wiki/Visual_approach_slope...

    Simple VASIs are obsolete, having been deleted from ICAO Annex 14 in 1995, however T-VASIS and AT-VASIS are still specified. T-VASIS is defined as twenty light units symmetrically disposed about the runway centre line in the form of two wing bars of four light units each, with bisecting longitudinal lines of six lights".