CoastalUS - HYDROLANTMessages1450/25(35)1450/25(35)SÉCURITÉArchivedReceived: 30 Aug 2025, 00:00Archived: 31 Aug 2025, 01:20Updated: 4 Nov 2026, 19:33SubscribeCopyShareShow on mapPrintExportSearchKeywordsMalfunctioning AidsOFF AIRMessage contentNORTH ATLANTIC. SHETLAND ISLANDS. DNC 20. 1. CGOC SHETLAND MF DSC AND R/T SERVICES AT COLLAFIRTH HILL 60-32.00N 001-23.00W OFF AIR. 2. CANCEL HYDROLANT 1449/25.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 warnings1446/25(29)2025-08-30archivedSCOTIA SEA. SOUTH ATLANTIC. SOUTH PACIFIC. ANTARCTICA. DNC 29. 1. ICEBERGS REPORTED IN: A. A77, 60-06.60S 055-46.20W. B. A81, 66-44.40S 058-15.60W. C.1447/25(23,29)2025-08-30archivedSCOTIA SEA. SOUTH ATLANTIC. ANTARCTICA. DNC 01, DNC 07, DNC 29. 1. ICEBERGS REPORTED IN: A. A23A, 53-17.00S 036-51.00W. B. A74A, 56-18.00S 043-06.00W.1448/25(51)2025-08-30archivedNORTH ATLANTIC. SENEGAL. DNC 01. 1. HAZARDOUS OPERATIONS 040900Z TO 041500Z SEP IN AREA WITHIN 20 MILES OF 14-28.00N 017-52.00W. 2. CANCEL THIS MSG 041600Z SEarlier warnings1449/25(35)2025-08-30archivedNORTH ATLANTIC. SHETLAND ISLANDS. DNC 20. CGOC SHETLAND MF DSC AND R/T SERVICES AT COLLAFIRTH HILL 60-32.00N 001-23.00W OFF AIR.1438/25(24)2025-08-29archivedSOUTH ATLANTIC. BRAZIL. DNC 01. 1. SURVEY OPERATIONS IN PROGRESS UNTIL 282300Z SEP BY M/V SKANDI COMMANDER IN AREA BOUND BY 22-20.46S 041-00.00W, 22-121443/25(GEN)2025-08-29archived1. HYDROLANT WARNINGS IN FORCE AS OF 291850Z AUG. ALL THE INFORCE WARNINGS ARE LISTED HERE. 1442/2025, 1441/2025, 1438/2025, 1436/2025, 1432/2025, 14Back to messages