EASA CZIB CZIB-2026-04-R2: Airspace of Iran

What to do

Air operators subject to the regulation should avoid operating within the FIR Tehran (OIIX) airspace at all altitudes and flight levels until further notice. They must continuously monitor aeronautical publications and updates from Iranian and neighboring states' aviation authorities, as well as guidance from their national authorities and the European Information Sharing and Cooperation Platform on Conflict Zones. The compliance deadline for these actions is until 16 November 2026 or until the bulletin is reviewed earlier.

Summary

The document titled Airspace of Iran is a Conflict Zone Information Bulletin (CZIB) issued by EASA concerning the FIR Tehran (OIIX) airspace at all altitudes and flight levels. It highlights the elevated risks to civil aviation due to ongoing military conflicts and tensions between Iran, the United States, and Israel, including retaliatory attacks and military activities that increase the likelihood of misidentification and threats to aircraft. The bulletin applies to all air operators subject to Commission Regulation (EU) 965/2012 and third country operators authorized by EASA operating in or through this airspace.

What changed

This CZIB extends the validity of the existing safety information until 16 November 2026 without changes to the content or recommendations. It continues to emphasize the high risk environment in the FIR Tehran airspace due to unpredictable military developments and the fragile ceasefire between involved parties. The bulletin maintains its warnings and operational restrictions for civil aviation in the affected airspace.

Why it matters

This information is critical for aviation professionals as it directly impacts flight planning and operational safety for aircraft operating in or near Iranian airspace. Operators must be aware of the heightened risk of military activity, potential airspace closures, and the possibility of misidentification incidents, which could lead to severe safety hazards. Compliance with these guidelines ensures the safety of crew, passengers, and aircraft while maintaining regulatory adherence.