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Your guide to UN and UN documents and reports


International Civil Aviation Organization, ICAO was established in 1947 by the Convention on International Civil Aviation (Chicago Convention). The ICAO serves as an umbrella organization for its members and is headquartered in Montreal.


The aims and objectives of the ICAO is to safeguard the orderly development of civil aviation. The organization has established a series of standards and recommendations for aviation safety and efficiency. Activities include

  • establishing and reviewing technical standards for aircraft and the licensing of personnel
  • promoting flight safety
  • developing airways, airports and air navigation facilities
  • preventing economic waste caused by unreasonable competition
  • continuing the development of international aviation law.


The Assembly is the supreme organ of the ICAO. It is composed of representatives of all member states and meets at least once every three years, reviewing work and setting policy.

The ICAO Council is the executive organ, composed of 36 states. The Council may initiate investigations and serve as an ad hoc tribunal for civil aviation disputes.

The Secretariat, headed by the Secretary-General, consists of five main departments:

  1. air navigation
  2. air transport
  3. legal affairs
  4. technical cooperation
  5. administrative matters.

More on UN and ICAO

UN documents and publications in catalogues and databases

  • United Nations Digital Library. UN official documents and open access publications, UN maps, UN voting data and speeches.
  • UN iLibrary. UN publications online covering different topics.
  • ODS. UN documents published from 1993 onward and scanned documents published between 1946 and 1993 in the official languages of the UN.
  • Daily list of documents (ODS). Documents published for the day, with full text links, can be found in the United Nations full text database ODS.
  • UNBIS Thesaurus is a multilingual database of the controlled vocabulary used to describe UN documents.
  • Index to proceedings is an annual bibliographic guide to the proceedings and documentation of the major UN organs. The index includes:
    • a list of all documents
    • a comprehensive subject index
    • an index to speeches
    • a voting chart of resolutions


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