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International Civil Aviation Organization (ICAO) Share Print ICAO, an aviation technical body of the United Nations, provides a global forum for 193 member States to adopt and implement international aviation standards. The Office of International Affairs works to advance the safety, security, and efficiency of international civil aviation to protect U.S. citizens abroad and promote the U.S. aviation industry worldwide. It also oversees the U.S. government's Interagency Group on International Aviation (IGIA) and is the repository for all U.S. government ICAO documents. Page last modified: January 16, 2020 1:12:36 PM EST
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