CoastalUS - HYDROLANTMessages811/26811/26PAN PANReceived 23 Apr 2026, 01:36 UTCArchived 24 Apr 2026, 04:01 UTCCopy textShow on mapSharePrintExportWarning textPositions open on the mapSOUTH 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 043-00.00W, 24-40.00S 042-17.00W. 2. CANCEL HYDROLANT 773/26. 3. CANCEL THIS MSG 240359Z APR 26.Location mapOpen in the full mapLoading map…Keywordshazardous operationsMore 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 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, 4815/262026-04-23archivedSOUTH ATLANTIC. BRAZIL. 1. UNDERWATER OPERATIONS 0800Z TO 1800Z DAILY 23 APR THRU 07 MAY BY M/V COMANDO B AND M/V SAGA FLORA IN 20-18.05S 040-06.12W.816/262026-04-23archivedSOUTH 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.Earlier warnings810/262026-04-23archivedSOUTH ATLANTIC. BRAZIL. 1. YELLOW ODAS BUOY ESTABLISHED IN 17-58.12S 038-41.48W UNTIL 19 OCT. 2. CANCEL THIS MSG 200001Z OCT 26.809/262026-04-23archivedSOUTH ATLANTIC. BRAZIL. 1. ODAS BUOY TEMPORARILY ESTABLISHED IN 32-32.46S 052-06.03W UNTIL 31 DEC 27. 2. CANCEL HYDROLANT 1946/25. 3. CANCEL THIS MSG 010001Z808/262026-04-23archivedSOUTH ATLANTIC. BRAZIL. 1. ALTO DA BANDEIRA LIGHT 03-52.50S 032-27.70W UNLIT UNTIL 19 OCT. 2. CANCEL HYDROLANT 775/26. 3. CANCEL THIS MSG 200001Z OCT 26.Back to US - HYDROLANT