CoastalUS - HYDROPACMessages932/26932/26SÉCURITÉArchivedReceived: 27 Mar 2026, 00:00Archived: 3 Apr 2026, 14:21Updated: 4 Nov 2026, 19:32SubscribeCopyShareShow on mapPrintExportSearchKeywordsMalfunctioning AidsUNRELIABLE, UNRELIABLEMessage contentCORAL SEA. AUSTRALIA. RACON AT RIB REEF 18-28.70S 146-52.80E UNRELIABLE.Location mapOpen in the full mapLoading map…More from US - HYDROPAC3211/262026-11-04BAY OF BENGAL. INDIA. 1. SURVEY OPERATIONS 05 THRU 20 NOV BY M/V SAMUDRA RATNAKAR IN AREA BOUND BY 17-13.71N 083-11.78E, 17-08.36N 083-15.64E, 17-01.56N 083-05.45E, 17-06.90N 083-01.59E. W3210/262026-11-04EASTERN INDIAN OCEAN. LAKSHADWEEP. 1. HAZARDOUS OPERATIONS 060730Z TO 061330Z NOV IN AREA BOUND BY 10-32.60N 072-37.25E, 10-33.32N 072-38.05E, 10-32.54N 072-38.72E, 10-31.92N 072-37.90E. 2. C3209/262026-11-04BAY OF BENGAL. INDIA. 1. SURVEY OPERATIONS 05 THRU 25 NOV BY M/V SAMUDRA KAUSTUBH IN AREA BOUND BY 21-05.68N 087-27.06E, 21-05.61N 087-41.49E, 20-52.08N 087-41.43E, 20-52.13N 087-27.02E. W3149/262026-10-29archivedARABIAN SEA. GULF OF KHAMBHAT. INDIA. 1. PIPELINE OPERATIONS IN PROGRESS UNTIL FURTHER NOTICE BY VESSEL JD ODYSSEY, M/V TAG 13, TUG CREATIVE 1, M/V SEAMAC GLORIOUS, AND M/V WILCHIEF1 IN ARE3032/262026-10-19archivedEASTERN INDIAN OCEAN. INDIA. 1. HAZARDOUS OPERATIONS 0230Z TO 0800Z DAILY 21, 23, 26, 27, 30 AND 31 OCT IN AREA BOUND BY 10-50.00N 075-00.00E, 10-50.00N 075-35.00E, 10-20.00N 075-35.00E, 1Later warnings931/262026-03-27archivedINDIAN OCEAN. AUSTRALIA. CABLE OPERATIONS IN PROGRESS UNTIL FURTHER NOTICE BY CABLESHIP RESOLUTE IN AREA BOUND BY 33-14.89S 109-35.95E, 34-19.54S 109-35.95E, 31032/262026-03-27archivedEASTERN INDIAN OCEAN. SOUTH PACIFIC. 1. HAZARDOUS OPERATIONS, SPACE DEBRIS: A. 0519Z TO 0908Z DAILY 09 APR THRU 09 MAY IN AREA BOUND BY 39-46.00S942/262026-03-27archivedGULF OF KACHCHH. INDIA. 1. TILBURN BUOY 22-37.20N 069-32.00E UNLIT. 2. CANCEL HYDROPAC 843/26.Earlier warnings943/262026-03-27archived1. HYDROPAC WARNINGS IN FORCE AS OF 271554Z MAR. ALL THE INFORCE WARNINGS ARE LISTED HERE. 942/2026, 941/2026, 939/2026, 938/2026, 937/2026, 936/2026,938/262026-03-27archivedEASTERN INDIAN OCEAN. INDIA. 1. HAZARDOUS OPERATIONS 020330Z TO 020800Z APR IN AREA BOUND BY 09-57.60N 076-14.50E, 09-47.40N 076-16.60E, 09-46.80N 076-939/262026-03-27archivedARABIAN SEA. INDIA. 1. AGUADA DGNSS STATION 15-29.53N 073-46.34E OFF AIR 300230Z TO 311230Z MAR. 2. CANCEL THIS MSG 311330Z MAR 26.Back to messages