CoastalUS - HYDROLANTMessages1673/25(24)1673/25(24)SÉCURITÉArchivedReceived: 7 Oct 2025, 00:00Archived: 19 Oct 2025, 22:01Updated: 4 Nov 2026, 19:33SubscribeCopyShareShow on mapPrintExportSearchKeywordsOperationsUNDERWATER OPERATIONS, wide berth requestedMessage contentSOUTH ATLANTIC. BRAZIL. DNC 01. 1. UNDERWATER OPERATIONS IN PROGRESS 0900Z TO 2100Z DAILY UNTIL 19 OCT IN 21-12.42S 039-44.63W. WIDE BERTH REQUESTED. 2. CANCEL THIS MSG 192200Z OCT 25.Location mapOpen in the full mapLoading map…More from US - HYDROLANT2213/262026-11-04SOUTH ATLANTIC. BRAZIL. 1. HAZARDOUS OPERATIONS 0800Z TO 2100Z DAILY 09 AND 10 NOV IN AREA WITHIN 10 MILES OF 05-44.40S 034-40.00W. 2. CANCEL THIS MSG 102200Z NOV 26.2212/262026-11-04SOUTH ATLANTIC. SCOTIA SEA. SHETLAND ISLANDS. 1. ICEBERGS REPORTED IN: A. A84, 69-40.80S 090-49.80W. B. A85, 56-54.00S 047-05.40W. C. D33A, 63-57.60S 055-13.20W. D. D33C, 61-58.20S 054-14.2211/262026-11-04NORTH ATLANTIC. 1. DERELICT 15 METER S/V DARK JADOR, BROWN HULL, CAPSIZED AND ADRIFT IN 45-03.00N 029-03.00W AT 032330Z NOV. 2. CANCEL THIS MSG 070211Z NOV 26.564/22(55)2022-02-25archivedBLACK SEA. UKRAINE. DNC 10. MINING OPERATIONS IN PROGRESS UNTIL FURTHER NOTICE IN AREAS BOUND BY: A. 46-04.0N 033-12.8E, 46-03.1N 033-13.9E, 45-55.6N 033-08.1E, 45-57.3N 032-54.5E, 46-00.9N 033-2010/25(24)2025-11-28archivedSOUTH ATLANTIC. BRAZIL. DNC 01. 1. UNDERWATER OPERATIONS 1000Z TO 2000Z DAILY UNTIL 02 NOV 26 BY M/V FUGRO VAQUITA IN: A. 22-26.32S 040-25.47W. B. 22-27.05S 040-24.71W. WIDE BERTH REQUESLater warnings1674/25(24)2025-10-07archivedNORTH ATLANTIC. DNC 01. 1. SURVEY OPERATIONS IN PROGRESS UNTIL 20 OCT BY M/V RAMFORM ATLAS, M/V DRS RETUMBANTE, M/V THOR FRIGG AND TUG LH LABAROM TOWING1671/25(57)2025-10-07archivedGULF OF GUINEA. SAO TOME AND PRINCIPE. DNC 01. 1. SURVEY OPERATIONS IN PROGRESS UNTIL FURTHER NOTICE BY M/V SW EMPRESS TOWING ONE 12000 METER LONG CABLE1667/25(24)2025-10-07archivedSOUTH ATLANTIC. BRAZIL. DNC 01. 1. RACON AT CABO SAO TOME LIGHT 22-02.52S 041-03.17W OFF AIR UNTIL 04 APR 26. 2. CANCEL THIS MSG 050001Z APR 26.Earlier warnings1691/25(57,61)2025-10-07archivedEASTERN INDIAN OCEAN. SOUTH ATLANTIC. DNC 01, DNC 02. 1. HAZARDOUS OPERATIONS, SPACE DEBRIS 0039Z TO 0218Z DAILY 15 THRU 21 OCT IN AREA BOUND BY 38-48.1676/25(35)2025-10-07archivedNORTH SEA. SHETLAND ISLANDS. DNC 20. ROVA HEAD LIGHTHOUSE, 60-11.50N 001-08.60W. DIRECTIONAL PEL UNLIT.1670/25(24)2025-10-07archivedSOUTH ATLANTIC. BRAZIL. DNC 01. F/V ADRIFT, TWO PERSONS ON BOARD. LAST KNOW POSITION 21-54.00S 040-53.00W ON 05 OCT. VESSELS IN VICINITY REQUESTED TO KEEP A SHABack to messages