SECURITE 271500 UTC DEC 2023 NAVAREA IX 475/23 IRAN JAZIREH-YE KHARKU CHARTS BA 11, 2882 AND 2884 EMERGENCY WRECK MARKING BUOY IN POSITION 29-19.24N 050-19.70E PERMANENTLY DISCONTINUED (.) WEST CARDINAL PILLAR BUOY WITH TOPMARK Q (9) 15SEC 5M ESTABLISHED IN POSITION 29-19.20N 050-19.70E (.) MARINERS CAUTIONED