CoastalUS - HYDROLANTMessages1168/261168/26SÉCURITÉArchivedReceived: 18 Jun 2026, 00:58Archived: 28 Jun 2026, 21:01Updated: 4 Nov 2026, 19:33SubscribeCopyShareShow on mapPrintExportSearchKeywordsOperationsUNDERWATER OPERATIONS, wide berth requestedMessage contentSOUTH ATLANTIC. BRAZIL. 1. UNDERWATER OPERATIONS IN PROGRESS 0800Z TO 2000Z DAILY UNTIL 28 JUN BY M/V BIG JOHN VI, VESSEL UNIQUE IV AND VESSEL VIVALEX IV IN 23-11.62S 044-00.55W. WIDE BERTH REQUESTED. 2. CANCEL THIS MSG 282100Z JUN 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 warnings1169/262026-06-18archivedSOUTH ATLANTIC. 1. HAZARDOUS OPERATIONS 220700Z JUN TO 032200Z JUL IN AREA BOUND BY 24-20.00S 040-32.00W, 24-30.00S 040-03.00W, 25-34.00S 039-00.001170/262026-06-18archivedBLACK SEA. TURKEY. 1. HAZARDOUS OPERATIONS 0530Z TO 0700Z DAILY 23, 24 AND 26 JUN IN AREA BOUND BY 41-58.20N 028-01.67E, 41-58.53N 028-19.12E, 42-06.91172/262026-06-18archivedSEA OF THE HEBRIDES. SCOTTLAND. MF R/T AND DSC SERVICES OFF AIR AT: A. BUTT OF LEWIS 58-27.70N 006-13.90W B. TIREE 56-30.20N 006-57.80WEarlier warnings1167/262026-06-17archivedIRISH SEA. ENGLAND. SURVEY OPERATIONS IN PROGRESS UNTIL FURTHER NOTICE BY M/V ARGYLL EXPLORER IN AREA BOUND BY 53-34.70N 003-35.70W, 53-34.70N 003-27.70W, 53-31166/262026-06-17archivedBAY OF BISCAY. FRANCE. NAVTEX STATION CROSS CORSEN (A) 48-23.71N 005-03.00W BRAODCAST SERVICE OFF AIR.1165/262026-06-17archivedNORTH ATLANTIC. SPAIN. 1. NAVAL OPERATIONS 191000Z TO 191700Z JUN, ALTERNATE 1000Z TO 1700Z DAILY 20 JUN THRU 04 JUL IN AREA BOUND BY 47-30.00N 013-00Back to messages