SECURITE 031500 UTC MAY 2023 NAVAREA IX (.) 190/23 (.) IRAN (.) TOREH-YE KHVORAN (.) CHART BA 2837, 2888 AND 3173 2. SUBMERGED PIPELINE (01 MILE LONG) ESTABLISHED FROM 27-01.35N 055-56.90E TO 27-00.73N 055-57.87E. 3. ISOLATED DANGER PILLAR BUOYS WITH TOPMARK, FL(2) 6SEC 5M, ESTABLISHED IN FOLLOWING POSITIONS: A. 27-01.09N 055-57.36E B. 27-01.03N 055-57.46E C. 27-00.76N 055-57.88E 4. MARINERS CAUTIONED