Plain English Meaning
The official rulebooks and guidance papers issued by ICAO, the United Nations body that sets worldwide standards for civil aviation. They are how every country agrees to follow the same basic rules in the air.
Full Definition
The official publications produced by the International Civil Aviation Organization (ICAO) that contain the standards, recommended practices, procedures, and guidance material governing international civil aviation. These documents establish common rules for areas such as air navigation, communications, airspace, licensing, and aircraft operations so that flying between countries works to a consistent standard.
Context Anchor
Seen when FAA material discusses how U.S. air traffic control and airspace practices relate to international standards.