According to the notice dated May 16, the FAA said affected Flight Informationa Regions (FIR) include parts of the Tehran FIR (OIIX), the Baghdad FIR (ORBB), Kuwait FIR (OKAC), Jeddah FIR (OEJD), Bahrain FIR (OBBB), Emirates FIR (OMAE), and Muscat FIR (OOMM).