A clearer way into aviation

Annex 11 — Air Traffic Services

Annex: SARPs and associated material

The framework for providing air traffic services. Pair its service-level requirements with the more detailed procedures in PANS-ATM, Doc 4444.

Where this fits

How to approach the source

Start with the scope, definitions and applicability of the exact part or volume. Distinguish a provision from a note, attachment or explanatory example. Then check the edition, amendment record and national implementation before drawing a conclusion about a real operation or qualification.

Verified source reading

Inspected local edition: 15th, July 2018.

Passages read: Chapter 2, §§2.2–2.3, printed 2-2, PDF 34.

Objectives and divisions of air traffic services.

Historical educational source. Current applicability and complete amendment status have not been established. No redistribution permission has been verified; the PDF is not hosted here.

ICAO publication catalogue

Explore this topic

Air traffic services beyond the control tower →

The tower is a visible part of aviation, but air traffic services cover more than aerodrome control. The inspected Annex 11 divides services into air traffic control, flight information and alerting. Within air traffic control it identifies area, approach and aerodrome services. These categories help explain why a journey involves different teams and information flows.

Page navigation refreshed 2026-10-26. Historical edition and passage status above are preserved; no new whole-publication or currentness review is claimed.