CoastalUS - HYDROLANTMessages920/25(36)920/25(36)SÉCURITÉArchivedReceived: 1 Jun 2025, 00:00Archived: 1 Jun 2025, 15:21Updated: 4 Nov 2026, 19:33SubscribeCopyShareShow on mapPrintExportSearchKeywordsMalfunctioning AidsUNLITMessage contentBRISTOL CHANNEL. WALES. DNC 20. ST ANNS HEAD LIGHT 51-40.90N 005-10.40W UNLIT.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 warnings921/25(23,29)2025-06-01archivedEASTERN SOUTH PACIFIC. SCOTIA SEA. WEDDELL SEA. ANTARCTICA. DNC 01, DNC 29. 1. ICEBERGS REPORTED IN: A. A74A, 59-33.00S 050-42.60W. B. A77, 63-16.20S 053925/25(23,29)2025-06-01archivedSCOTIA SEA. WEDDELL SEA. WESTERN SOUTH ATLANTIC. ANTARCTICA. DNC 01, DNC 29. 1. ICEBERGS REPORTED IN: A. A23A, 55-00.00S 038-34.00W. B. A76C, 60-39.00S 0919/25(GEN)2025-06-01archived1. DUE TO SPACE WEATHER, HF COMMUNICATIONS AND GNSS POSITIONAL INFORMATION MAY BE DISRUPTED BY THE EFFECTS OF SOLAR FLARES. 2. DURING INCIDENTS AT SEA, MAEarlier warnings915/25(24)2025-05-31WESTERN SOUTH ATLANTIC. DNC 01. 1. 18.3 METER DEPTH REPORTED IN 20-35.71S 034-46.07W. 2. CANCEL HYDROLANT 580/25.917/25(23,29)2025-05-31archivedSCOTIA SEA. WEDDELL SEA. WESTERN SOUTH ATLANTIC. SOUTH SHETLAND ISLANDS. DNC 01, DNC 29. 1. ICEBERGS REPORTED IN: A. A23A, 54-48.00S 039-00.00W. B. A76C,918/25(37)2025-05-31archivedCELTIC SEA. DNC 08. CANCEL HYDROLANT 900/25 AND THIS MSG, OPERATIONS COMPLETE.Back to messages