The Air Navigation Bureau develops technical studies for the Air Navigation Commission as well as recommendations for Standards and Recommended Practices (SARPs) relating to the safety, regularity and efficiency of international air navigation for the Council.

Sixteen out of eighteen Annexes to the Convention are of a technical nature and therefore fall within the responsibilities of the Air Navigation Bureau and its sections. Therefore, the Air Navigation Bureau is very much involved in maintaining the ICAO Standards current.

The Air Navigation Bureau plans, prepares, convenes and conducts regional air navigation meetings in co-operation with the regional offices and Planning and Global Coordination Office (PCO).

The Bureau provides general direction to regional offices on issues relating to:

• air navigation plans
• Annexes
• Procedures for Air Navigation Services