International Civil Aviation Organization

Overview

The International Civil Aviation Organization (ICAO) is a United Nations specialized agency established by the Chicago Convention of 1944. ICAO sets international standards for civil aviation safety, security, efficiency, and environmental protection. With 193 member states, ICAO provides the global framework within which national and regional aviation authorities operate.

ICAO does not directly regulate airlines or airspace. Instead, it develops Standards and Recommended Practices (SARPs) contained in 19 Annexes to the Chicago Convention. Member states are expected to implement SARPs in their national regulations. ICAO conducts audits through its Universal Safety Oversight Audit Programme (USOAP) to assess compliance. The organization is governed by a Council of 36 member states elected by the Assembly.

Key Functions

Role in Airspace Risk

ICAO's role in airspace risk management has expanded significantly since the MH17 disaster in 2014. The ICAO Council established a Conflict Zone Task Force that produced recommendations for states and operators regarding risk assessment in conflict zones. This led to amendments to ICAO Annex 17 (Security) and the creation of the CZIR.

The CZIR serves as a central repository where states voluntarily share risk information about conflict zones. While not all states participate fully, the repository provides a framework for information sharing that complements national assessments from EASA, FAA, and other authorities. ICAO also issues State Letters and guidance material on conflict zone risk assessment methodologies.

ICAO Doc 10084 (Risk Assessment Manual for Civil Aircraft Operations Over or Near Conflict Zones) provides the international framework for how states and operators should assess and manage conflict zone risks. This document guides national approaches worldwide and forms the basis for EASA's CZIB methodology and FAA's risk assessment processes.

Current Priorities

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