ICAO, an aviation technical body of the United Nations, provides a global forum for 191 member States to adopt and implement international aviation standards. API 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. API also oversees the U.S. government's International Group on International Aviation (IGIA) and is the repository for all U.S. government ICAO documents.