CoastalUS - HYDROLANTMessages2040/25(24)2040/25(24)SÉCURITÉArchivedReceived: 3 Dec 2025, 00:00Archived: 3 Dec 2025, 01:40Updated: 4 Nov 2026, 19:33SubscribeCopyShareShow on mapPrintExportSearchKeywordsMalfunctioning AidsOFF AIRMessage contentSOUTH ATLANTIC. BRAZIL. DNC 07. RIO GRANDE RADIOBEACON 32-08.93S 052-06.20W OFF AIR.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 warnings2046/25(53)2025-12-03archivedWESTERN MEDITERRANEAN SEA. FRANCE. DNC 08. NAVTEX STATION CROSS LA GARDE (W) 43-06.26N 005-59.49E OFF AIR.2048/25(36)2025-12-03archivedIRISH SEA. NORTHERN IRELAND. DNC 20. CANCEL HYDROLANT 2032/25 AND THIS MSG, AID RESTORED.2054/25(GEN)2025-12-03archived1. 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 warnings2039/25(29)2025-12-02archivedSOUTH ATLANTIC. SOUTH PACIFIC. ANTARCTICA. DNC 29. 1. ICEBERGS REPORTED IN: A. A81, 65-06.00S 057-48.60W. B. A84, 71-52.20S 095-23.40W. C. A85, 68-03.2038/25(23,29)2025-12-02archivedSCOTIA SEA. SOUTH ATLANTIC. SOUTH GEORGIA AND THE SOUTH SANDWICH ISLANDS. DNC 01. 1. ICEBERGS REPORTED IN: A. A23A, 52-24.00S 040-17.00W. B. A74A, 55-02.2033/25(35)2025-12-01archivedNORTH ATLANTIC. SCOTLAND. DNC 19. 1. HAZARDOUS OPERATIONS 0730Z TO 1830Z DAILY 04 THRU 13 DEC IN AREAS WITHIN: A. 26 MILES OF 57-16.70N 008-10.90W. B.Back to messages