CoastalUS - HYDROLANTMessages815/26815/26SÉCURITÉArchivedReceived: 23 Apr 2026, 12:46Archived: 7 May 2026, 19:01Updated: 4 Nov 2026, 19:33SubscribeCopyShareShow on mapPrintExportSearchKeywordsOperationsUNDERWATER OPERATIONS, wide berth requestedMessage contentSOUTH ATLANTIC. BRAZIL. 1. UNDERWATER OPERATIONS 0800Z TO 1800Z DAILY 23 APR THRU 07 MAY BY M/V COMANDO B AND M/V SAGA FLORA IN 20-18.05S 040-06.12W. WIDE BERTH REQUESTED. 2. CANCEL THIS MSG 071900Z MAY 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 warnings816/262026-04-23archivedSOUTH ATLANTIC. BRAZIL. 1. UNDERWATER OPERATIONS 0800Z TO 1800Z DAILY 23 APR THRU 07 MAY BY M/V COMANDO B AND M/V NORD KARAS IN 20-22.73S 040-08.87W.817/262026-04-23archivedSOUTH ATLANTIC. SOUTH PACIFIC. ANTARCTICA. 1. ICEBERGS REPORTED IN: A. A81, 64-43.80S 056-30.00W. B. A84, 73-48.00S 106-04.80W. C. A85, 68-14.40S 057-818/262026-04-23archivedSCOTIA SEA. SOUTH ATLANTIC. 1. ICEBERGS REPORTED IN: A. A76C, 58-39.00S 036-06.00W. B. 46-52.00S 028-59.00W. C. 49-51.00S 028-16.00W. D. 46-59.00SEarlier warnings813/262026-04-23archivedBLACK SEA. ROMANIA. 1. HAZARDOUS OPERATIONS 280600Z TO 281200Z, 290600Z TO 291300Z AND 300600Z TO 301300Z APR IN AREA BOUND BY 44-25.43N 028-42.50E, 4811/262026-04-23archivedSOUTH ATLANTIC. BRAZIL. 1. HAZARDOUS OPERATIONS 210300Z TO 240259Z APR IN AREA BOUND BY 23-40.00S 042-17.00W, 23-40.00S 043-00.00W, 24-40.00S 043-00.00810/262026-04-23archivedSOUTH ATLANTIC. BRAZIL. 1. YELLOW ODAS BUOY ESTABLISHED IN 17-58.12S 038-41.48W UNTIL 19 OCT. 2. CANCEL THIS MSG 200001Z OCT 26.Back to messages