SECURITE 231500 UTC JAN 2024 NAVAREA IX 037/24 ARABIAN GULF SAUDI ARABIA CHART BA 2882, 2884 AND 3774 SEISMIC SURVEY OPERATION IN PROGRESS TILL 30 APR 24 IN AREA BOUNDED BY FOLLOWING COORDINATES: 28-40.72N 049-33.37E 28-37.14N 049-35.98E 28-35.42N 049-38.40E 28-12.62N 049-23.14E 28-13.33N 049-20.06E 28-13.65N 049-18.64E 28-15.04N 049-15.98E 28-40.60N 049-33.05E MARINERS CAUTIONED CANCEL THIS MSG 302359 UTC APR 24