CoastalUS - HYDROPACMessages2957/25(74)2957/25(74)SÉCURITÉArchivedReceived: 17 Nov 2025, 00:00Archived: 18 Nov 2025, 06:01Updated: 6 Nov 2026, 15:01SubscribeCopyShareShow on mapPrintExportSearchKeywordsOperationsUNDERWATER OPERATIONSMessage contentINDIAN OCEAN. AUSTRALIA. DNC 04. UNDERWATER OPERATIONS IN PROGRESS UNTIL FURTHER NOTICE BY M/V DEEP ORIENT IN 20-08.90S 115-02.40E. ONE MILE BERTH REQUESTED.Location mapOpen on the full mapMore from US - HYDROPAC3230/262026-11-06BAY OF BENGAL. INDIA. 1. HAZARDOUS OPERATIONS 0030Z TO 1030Z DAILY 08 THRU 15 NOV IN AREAS BOUND BY: A. 17-58.90N 084-11.70E, 17-49.50N 083-59.60E, 17-49.50N 084-15.70E, 17-58.90N 084-3229/262026-11-06BAY OF BENGAL. INDIA. PARTIALLY SUBMERGED WRECK IN VICINITY 15-26.00N 080-14.00E AT 050405Z NOV.3228/262026-11-06ARABIAN SEA. INDIA. 1. CABLE OPERATIONS IN PROGRESS UNTIL 15 NOV BY M/V MT RAAJ 1, AND UNTIL 21 NOV BY M/V LADY GRACE AND M/V DB MARINE 1, ALONG TRACKLINE JOINING 19-03.45N 072-40.64E, 1799/25(22)2025-03-28archivedEASTERN SOUTH PACIFIC. CHILE. DNC 07. ARICA RADIO 18-29.10S 070-19.16W DSC MF SERVICE OFF AIR.3053/262026-10-21archivedCORAL SEA. SOLOMON ISLANDS. 1. CABLE OPERATIONS IN PROGRESS UNTIL FURTHER NOTICE BY M/V LAYLA ALONG TRACKLINE JOINING 13-06.14S 161-11.58E, 12-23.69S 162-08.91E, 11-43.41S 163-07.90E, 10-50.9Later warnings2969/25(75)2025-11-17archivedGREAT AUSTRALIAN BIGHT. AUSTRALIA. DNC 05. 1. HAZARDOUS OPERATIONS, SPACE DEBRIS 1420Z TO 1705Z DAILY 22 THRU 30 NOV IN AREA BOUND BY 32-06.48S 133-25.2959/25(81)2025-11-17archivedNORTH PACIFIC. GUAM. DNC 12. 1. HAZARDOUS OPERATIONS 190800Z TO 191200Z NOV IN AREA BOUND BY 13-10.00N 144-30.00E, 13-10.00N 144-41.98E, 12-49.98N 144-2955/25(71)2025-11-17archivedSOUTH CHINA SEA. INDONESIA. DNC 03. 1. TANKER BOARDED AND ROBBED BY TWO PIRATES IN 01-04.20N 103-43.40E AT 151808Z NOV. VESSELS ARE ADVISED TO KEEP CLEAREarlier warnings2962/25(93)2025-11-17archivedSOUTH CHINA SEA. DNC 11. 1. F/V KH 99171 TS, NINE PERSONS ON BOARD, DISABLED AND ADRIFT DUE TO MAIN ENGINE TROUBLE, IN VICINITY: 12-21.00N 111-32.00E A2963/25(81)2025-11-17archivedNORTH PACIFIC. GUAM. DNC 12. USCG COMMUNICATION FACILITY GUAM 13-28.6N 144-50.1E WEATHER MESSAGE SERVICES UNRELIABLE.2971/252025-11-17archivedCANCEL HYDROPAC 553/23, 2679/23, 3916/23, 963/24, 3881/24, 2835/25 AND THIS MSG.Back to messages