CoastalUS - HYDROLANTMessages1621/261621/26SÉCURITÉArchivedReceived: 20 Aug 2026, 00:06Archived: 25 Aug 2026, 21:02Updated: 4 Nov 2026, 19:33SubscribeCopyShareShow on mapPrintExportSearchKeywordsOperationsUNDERWATER OPERATIONS, wide berth requestedMessage contentSOUTH ATLANTIC. BRAZIL. 1. UNDERWATER OPERATIONS 1000Z TO 2000Z DAILY UNTIL 25 AUG BY VESSEL NOMAR IN 24-07.27S 046-09.30W. WIDE BERTH REQUESTED. 2. CANCEL THIS MSG 252100Z AUG 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 warnings1623/262026-08-20archivedSCOTIA SEA. SOUTH ATLANTIC. SOUTH PACIFIC. ANTARCTICA. 1. ICEBERGS REPORTED IN: A. A84, 71-40.20S 102-32.40W. B. A85, 63-32.40S 053-28.20W. C. D33A, 61624/262026-08-20archivedBLACK SEA. ROMANIA. 1. OBJECT ADRIFT IN VICINITY 44-02.70N 030-35.00E AT 200330Z AUG. 2. CANCEL THIS MSG 230803Z AUG 26.1625/262026-08-20archivedSOUTH ATLANTIC. BRAZIL. 1. UNDERWATER OPERATIONS 0800Z TO 1800Z DAILY 21 AUG THRU 04 SEP BY M/V CAPETAN VASSILIS II AND M/V COMANDO B IN 20-23.95S 04Earlier warnings1620/262026-08-19archivedSOUTH ATLANTIC. 1. SURVEY OPERATIONS IN PROGRESS UNTIL 24 AUG BY M/V SEA 1 DORADO IN AREA BOUND BY 24-53.20S 042-47.12W, 24-54.37S 042-44.77W, 24-531619/262026-08-19archivedSOUTH ATLANTIC. 1. UNDERWATER OPERATIONS IN PROGRESS UNTIL 280259Z AUG BY M/V SIEM PILOT IN 24-35.02S 042-15.37W. WIDE BERTH REQUESTED. 2. CANCEL THIS1618/262026-08-19archivedNORTH ATLANTIC. SCOTLAND. 1. HAZARDOUS OPERATIONS 0800Z TO 1830Z DAILY 24 THRU 28 AUG AND 31 AUG THRU 04 SEP IN AREAS WITHIN: A. 27 MILES OF 57-20.80Back to messages