[Iran Closes Western Airspace] BlockBeats News, May 23: The Iran Civil Aviation Organization has issued a Notice to Airmen (NOTAM) regarding Iranian airspace, temporarily closing all airports in the western part of the "Tehran Flight Information Region" except for 8 airports, including Tabriz International Airport and Mehrabad International Airport. These 8 airports that remain open will only be available for commercial flights during daylight hours, from sunrise to sunset. The notice is effective from May 22, 2026, to May 25, 2026. All airlines operating flights over or into Iran must still obtain permission from the Iran Civil Aviation Organization. [Original Link]