Defcon Alerts Threat Monitor

Defcon Alerts Threat Monitor

Mideast

Iran Issues NOTAM Closing Most Airports in Western Tehran FIR Until May 25

All airports in the western part of the Tehran Flight Information Region are closed from 5:46 a.m. UTC on May 22 until 8:30 a.m. UTC on May 25.

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Defcon Level
May 22, 2026
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MIDDLE EAST, On May 22 Iran’s Civil Aviation Authority issued NOTAM OIIX A1010/26 closing all airports in the western part of Tehran FIR.

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NOTAM Details, Airport Closure Analysis:

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