CoastalUS - HYDROLANTMessages1330/25(24)1330/25(24)SÉCURITÉArchivedReceived: 10 Aug 2025, 00:00Archived: 12 Aug 2025, 01:20Updated: 4 Nov 2026, 19:33SubscribeCopyShareShow on mapPrintExportSearchKeywordsOperationsUNDERWATER OPERATIONS, wide berth requestedMessage contentSOUTH ATLANTIC. BRAZIL. DNC 01. 1. UNDERWATER OPERATIONS 101300Z TO 210300Z AUG BY VESSEL VALARIS DS4 E MCE III IN 23-04.00S 043-02.50W. WIDE BERTH REQUESTED. 2. CANCEL THIS MSG 210400Z AUG 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 warnings1331/25(24)2025-08-10archivedSOUTH ATLANTIC. DNC 01. 1. SURVEY OPERATIONS 11 THRU 18 AUG, BY M/V SANCO SPIRIT TOWING NINE 200 METER CABLES IN AREA BOUND BY 25-55.13S 042-54.02W, 21335/25(29)2025-08-11archivedSCOTIA SEA. SOUTH ATLANTIC. ANTARCTICA. DNC 29. 1. ICEBERGS REPORTED IN: A. A77, 61-36.00S 058-56.40W. B. A81, 67-08.40S 058-01.20W. C. B15AB, 62-10.81334/25(57)2025-08-11archivedSOUTH ATLANTIC. ANGOLA. DNC 01. CABLE OPERATIONS IN PROGRESS UNTIL FURTHER NOTICE BY CABLESHIP LEON THE VENIN IN 08-43.18S 013-19.78E. ONE MILE BERTH REQUESTED.Earlier warnings1333/25(23,29)2025-08-10archivedSCOTIA SEA. SOUTH ATLANTIC. SOUTH GEORGIA AND THE SOUTH SANDWICH ISLANDS. DNC 01, DNC 29. 1. ICEBERGS REPORTED IN: A. A23A, 55-11.00S 033-57.00W. B. A23D1332/25(29)2025-08-10archivedSCOTIA SEA. SOUTH ATLANTIC. ANTARCTICA. DNC 29. 1. ICEBERGS REPORTED IN: A. A77, 61-36.00S 058-56.40W. B. A81, 67-08.40S 058-01.20W. C. B15AB, 62-10.81325/25(35)2025-08-09archivedNORTH ATLANTIC. SHETLAND ISLANDS. DNC 20. 1. MF R/T AND DSC SERVICES AT COLLAFIRTH SITE IN 60-32.00N 001-23.50W OFF AIR. 2. CANCEL HYDROLANT 1324/25.Back to messages