CoastalUS - HYDROLANTMessages1621/25(24)1621/25(24)SÉCURITÉArchivedReceived: 29 Sept 2025, 00:00Archived: 23 Mar 2026, 23:20Updated: 4 Nov 2026, 19:33SubscribeCopyShareShow on mapPrintExportSearchKeywordsMalfunctioning AidsUNLITMessage contentNORTH ATLANTIC. BRAZIL. DNC 14. 1. CABO ORANGE LIGHT 04-25.86N 051-32.52W UNLIT. 2. CANCEL THIS MSG 232259Z MAR 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 warnings1623/25(GEN)2025-09-30archived1. DUE TO SPACE WEATHER, HF COMMUNICATIONS AND GNSS POSITIONAL INFORMATION MAY BE DISRUPTED BY THE EFFECTS OF SOLAR FLARES. 2. DURING INCIDENTS AT SEA, MA1626/25(23,29)2025-09-30archivedSCOTIA SEA. SOUTH ATLANTIC. SOUTH PACIFIC. ANTARCTICA. DNC 01, DNC 29. 1. ICEBERGS REPORTED IN: A. A81, 66-19.20S 058-19.80W. B. B15AB, 58-55.20S 050-43.1627/25(23,29)2025-09-30archivedSCOTIA SEA. SOUTH ATLANTIC. ANTARCTICA. DNC 01, DNC 29. 1. ICEBERGS REPORTED IN: A. A23A, 53-16.00S 036-59.00W. B. A74A, 55-16.00S 038-07.00W. C. A77,Earlier warnings1690/25(24)2025-09-29archivedNORTH ATLANTIC. FRENCH GUIANA. DNC 01, DNC 14. 1. HAZARDOUS OPERATIONS, SPACE DEBRIS 15 OCT THRU 02 NOV IN AREA BOUND BY 05-49.00N 053-59.11W, 04-27.12N1616/25(55)2025-09-29archivedBLACK SEA. ROMANIA. DNC 10. 1. HAZARDOUS OPERATIONS 02 THRU 15 OCT IN AREA BOUND BY 44-05.00N 028-51.00E, 44-10.00N 028-51.00E, 44-10.00N 029-00.00E, 41629/25(55)2025-09-29archivedBLACK SEA. ROMANIA. DNC 10. 1. OBSTRUCTION IN 44-53.30N 029-42.70E 06 THRU 10 OCT. 2. HAZARDOUS OPERATIONS 0430Z TO 1530Z DAILY 07 THRU 09 OCT AND 100430Back to messages