The International Civil Aviation Organization (ICAO)

Representatives of 52 States attending the International Civil Aviation Conference, which met in Chicago from 1 November to 7 December 1944, at the invitation of the Government of the United States, adopted a Convention providing for the establishment of the International Civil Aviation Organization (ICAO). The Conference also drew up an Interim Agreement providing for a Provisional International Civil Aviation Organization (PICAO) to operate until the formal establishment of the permanent organization. PICAO came into being on 6 June 1945, after 26 States had adhered to the Interim Agreement. ICAO came formally into existence on 4 April 1947, 30 days after the Convention on International Civil Aviattion had been ratified by the required 26 States. The Convention superseded, as between contracting States, the provisions of two earlier agreements: the Paris Convention of 1919 establishing the International Commission for Air Navigation, and the Pan-American Convention on Commercial Aviation, drawn up in Havana in 1928.

Related Subject(s): United Nations
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