International Civil Aviation Organization (ICAO)

Organisation de l'aviation civile internationale (OACI)
Organización de Aviación Civil Internacional (OACI)
Mezdunarodnaja Organizacija Grazdanskoj Aviacii (IKAO)

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The T-XT4402 - Convention on International Civil Aviation (Chicago Convention) was signed 7 Dec 1944, Chicago IL (USA). Pending ratification of the Convention by 26 States, the Provisional International Civil Aviation Organization (PICAO) -- Organisation provisoire de l'aviation civile internationale was established and functioned from 6 Jun 1945 to 4 Apr 1947. By 5 Mar 1947, the 26th Ratification having been received, ICAO came into being on 4 Apr 1947. In Oct 1947, became a specialized agency of A-XA3375 - United Nations (UN) in the framework of F-XF1000 - United Nations System, linked to E-XE3377 - ECOSOC.


Serve as a platform of cooperation among national governments who cooperate together on international civil aviation matters under the Chicago Convention.


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Plenary Assembly (at least every 3 years). Permanent Council (meets 3 times a year, always in Montréal), comprising 36 members serving 3-year term. Air Navigation Commission of 15 members; Air Transport Committee of 36 members; Joint Support Committee of 13 members; Finance Committee of 17 members; Committee on Unlawful Interference with International Aviation and its Facilities Committee of 21 members; Technical Cooperation Committee of 19 members. Special panels appointed from time to time as required. Meetings of main bodies normally open.

/Secretariat Structure/ - reporting to Secretary General

I. Office of Secretary General, including:

  • Finance Branch, overseeing -
    • -Accounting Services Section,
    • -Financial Services Section;
    • External Relations and Public Information Office;
    • Office for Programmes Evaluation, Audit and Management Review;
    • Asia and Pacific Office, Bangkok (Thailand);
    • Eastern and Southern African Office, Nairobi (Kenya);
    • European and North Atlantic Office, Paris (France);
    • Middle East Office, Cairo (Egypt);
    • North American, Central American and Caribbean Office, Mexico City (Mexico);
    • South American Office, Lima (Peru);
    • Western and Central African Office, Dakar (Senegal);
    • Regional Affairs Office.

II. Air Navigation Bureau, including:

  • Deputy Director who oversees -
    • Communications, Navigation and Surveillance Section,
    • Meteorology Section,
    • Safety Oversight Audit Section,
    • Flight Safety Section, including
    • -Aviation Training Policy and Standards Unit,
    • Air Traffic Management Section,
    • Accident Investigation and Prevention Section,
    • Aerodromes, Air Routes and Ground Aids Section,
    • Aeronautical Information and Charts Section, overseeing
    • -Aeronautical Information Unit,
    • -Cartographic Unit,
    • Aviation Medicine Section,
    • Unified Strategy Programme Unit.

III. Air Transport Bureau, including:

  • Deputy Director who oversees -
    • Economic Policy Section,
    • Statistics Section,
    • Forecasting and Economic Planning Section,
    • Airport and Route Facility Management Section,
    • Joint Financing Section,
    • Environmental Unit;
  • Aviation Security and Facilitation Branch which oversees -
    • Aviation Security Section,
    • Support Unit,
    • Development Unit,
    • Assistance and Oversight Unit,
    • Facilitation Section;
    • Aviation Security Audit Unit.

IV. Technical Cooperation Bureau, including:

  • Deputy Director who oversees -
    • Field Operations Section, Europe and Middle East,
    • Field Operations Section, Africa,
    • Field Operations Section, The Americas,
    • Field Operations Section, Asia and Pacific,
  • Project Development Section, overseeing
    • -Fellowships Unit,
  • Field Personnel Section, overseeing
    • -Field Recruitment Unit,
    • -Field Personnel Administration Unit,
  • Field Procurement Section, overseeing
    • -Procurement Unit,
    • -Procurement Support Unit (Technical),
    • Regular Programme Procurement Section;
    • Programme Budget Unit.

V. Bureau of Administration and Services, including:

  • Personnel Branch which oversees -
    • Staff Services Section, including
      • -Social Security and Welfare Unit,
    • Recruitment, Establishment and Studies Section;
  • Language and Publications Branch which oversees -
    • English and Publications Section, including Editorial Unit,
    • French Section, including Editorial Unit and Text Processing Unit,
    • Spanish Section, including Editorial Unit and Text Processing Unit,
    • Russian Section, including Editorial Unit and Text Processing Unit,
    • Arabic Section, including Editorial Unit and Text Processing Unit,
    • Chinese Section,
    • Interpretation Section,
    • Terminology, Reference and Documentation Section,
    • Document Control,
    • Printing Section, including
      • -Production Unit,
      • -Assembling and Collating Unit,
      • -Pre-Press Unit;
  • And also includes
    • Conference and Office Services Section, including
      • -General Services Unit,
    • Registry, Distribution and Sales Section, including
      • -Registry and Telecommunications Unit,
      • -Document Sales Unit,
      • -Internal Distribution Unit,
      • -External Distribution Unit,
    • Information and Communication Technology Section,
    • Assembly and Council Secretariat,
    • Web, Library and Archives.

VI. Legal Bureau.


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Subjects *

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UN Sustainable Development Goals **

GOAL 1: No PovertyGOAL 2: Zero HungerGOAL 3: Good Health and Well-beingGOAL 4: Quality EducationGOAL 5: Gender EqualityGOAL 7: Affordable and Clean EnergyGOAL 8: Decent Work and Economic GrowthGOAL 9: Industry, Innovation and InfrastructureGOAL 10: Reduced InequalityGOAL 11: Sustainable Cities and CommunitiesGOAL 12: Responsible Consumption and ProductionGOAL 13: Climate ActionGOAL 14: Life Below WaterGOAL 15: Life on LandGOAL 16: Peace and Justice Strong InstitutionsGOAL 17: Partnerships to achieve the Goal



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* Subject classification is derived from the organization names and aims.
** UN SDGs are linked to the subject classification.

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