SECURITE 141500 UTC DEC 2021 NAVAREA IX (.) 490/21 (.) IRAN (.) KHALIJ-E CHABAHAR (.) CHARTS BA 2851, 2858 AND 4705 2. PREFERRED CHANNEL PILLAR LIGHT BUOY MOVED TO POSITION 25-18.81N 060-35.58E WITH FOLLOWING CHARACTERISTICS: FLASHING: (2+1)7 SECONDS HEIGHT : 3 METERS RANGE : 3 MILES 3. PORT HAND BUOY IN POSITION 25-18.22N 060-34.39E PERMANENTLY DISCONTINUED 4. MARINERS CAUTIONED