Safety
Aviation Community Celebrates ICAO's 80-year Milestone
ICAO was founded through a convention signed in December 1944
The former Stevens Hotel, now the Hilton Chicago Hotel, where the ICAO convention was signed
While the Stevens Hotel has modernized into what currently is the Hilton Chicago Hotel, the site has the historical significance of hosting the first International Civil Aviation Convention where a landmark agreement was reached to launch the International Civil Aviation Organization © Film clips from the International Civil Aviation Organization

The International Civil Aviation Organization (ICAO) is marking the 80th anniversary of the signing of its convention, which set in motion the development of a global civil aviation system with a collaborative approach to safety standards.

On Dec. 7, 1944, 52 signatories signed a pledge during the Convention on International Civil Aviation to create the body, and the organization was formally established two years later with the ratification of the agreement by 26 member states. Now, ICAO has 193 members.

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