CoastalUS - HYDROLANTMessages2248/25(24)2248/25(24)SÉCURITÉArchivedReceived: 31 Dec 2025, 00:00Archived: 6 Jan 2026, 04:01Updated: 4 Nov 2026, 19:33SubscribeCopyShareShow on mapPrintExportSearchKeywordsOperationsUNDERWATER OPERATIONS, wide berth requestedMessage contentSOUTH ATLANTIC. BRAZIL. DNC 01. 1. UNDERWATER OPERATIONS IN PROGRESS UNTIL 060259Z JAN 26 BY M/V SISTAC VITORIA IN 22-33.48S 040-07.41W. WIDE BERTH REQUESTED. 2. HYDROLANT 2236/25. 3. CANCEL THIS MSG 060359Z JAN 26.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 warnings2247/25(24)2025-12-31archivedSOUTH ATLANTIC. BRAZIL. DNC 01. 1. UNDERWATER OPERATIONS IN PROGRESS UNTIL 080259Z JAN 26 BY M/V SKANDI CARLA IN 22-33.05S 040-15.62W. WIDE BERTH REQUE6/26(23,29)2026-01-01archivedSCOTIA SEA. SOUTH ATLANTIC. ANTARCTICA. DNC 01, DNC 29. 1. ICEBERGS REPORTED IN: A. A23A, 53-02.00S 040-23.00W. B. A74A, 58-25.00S 021-48.00W. C. A77,5/26(29)2026-01-01archivedSOUTH ATLANTIC. ANTARCTICA. DNC 29. 1. ICEBERGS REPORTED IN: A. A81, 64-58.80S 057-58.80W. B. A84, 71-44.40S 095-33.60W. C. A85, 68-24.60S 055-47.40W.Earlier warnings2250/25(57)2025-12-31archivedSOUTH ATLANTIC. DNC 01. UNDERWATER SEAMOUNTS REPORTED IN: A. 05-43.20S 015-55.03W, LEAST DEPTH 37 METERS. B. 05-37.70S 015-57.79W, LEAST DEPTH 48 METERS. C. 052249/25(52,53)2025-12-31archivedTYRRHENIAN SEA. WESTERN MEDITERRANEAN SEA. ALGERIA TO SARDINIA. DNC 08. F/V, WHITE HULL, 14 PERSONS ON BOARD, OVERDUE ANNABA (36-54.00N 007-46.00E) TO CAGLIAR2251/25(29)2025-12-31archivedSOUTH ATLANTIC. ANTARCTICA. DNC 29. 1. ICEBERGS REPORTED IN: A. A81, 64-58.80S 057-58.80W. B. A84, 71-44.40S 095-33.60W. C. A85, 68-24.60S 055-47.40W.Back to messages