NAVAREA I 48/25 IRISH SEA. TSS IN LIVERPOOL BAY. UNDERWATER OPERATIONS WITH SUBMERSIBLES IN PROGRESS BY M/V ATLANTIS DWELLER IN: A. 53-31.7N 003-33.9W. B. 53-31.5N 003-33.3W. C. 53-31.0N 003-34.2W. NAVAREA I 47/25 1. NAVAREA I WARNINGS IN FORCE AT 071000 UTC MAR 2025: 2024 SERIES: 226. 2025 SERIES: 30, 42, 45, 46, 47. NOTES: A. TEXTS OF NAVAREA I WARNINGS ISSUED EACH WEEK ARE PUBLISHED IN WEEKLY EDITIONS OF THE ADMIRALTY NOTICES TO MARINERS BULLETIN (ANMB). B. NAVAREA I WARNINGS LESS THAN 42 DAYS OLD (30/25 ONWARD) ARE PROMULGATED VIA ENHANCED GROUP CALL (EGC) AND/OR RELEVANT NAVTEX TRANSMITTERS. C. THE COMPLETE TEXTS OF ALL IN-FORCE NAVAREA I WARNINGS, INCLUDING THOSE WHICH ARE NO LONGER BEING BROADCAST, ARE REPRINTED IN SECTION III OF ANMB IN WEEKS 1, 13, 26 AND 39 AND ARE ALSO AVAILABLE FROM THE UKHO WEBSITE AT: HTTPS://MSI.ADMIRALTY.CO.UK/RADIONAVIGATIONALWARNINGS. ALTERNATIVELY, THESE MAY BE REQUESTED BY E-MAIL FROM NAVAREA I CO-ORDINATOR AT: NAVWARNINGS@UKHO.GOV.UK 2. CANCEL NAVAREA I 40/25. NAVAREA I 46/25 SCOTLAND, WEST COAST. OUTER HEBRIDES WESTWARDS. 1. LIVE WEAPONS FIRING IN PROGRESS DAILY BETWEEN 0800 AND 1900 UTC, 12 TO 14 MAR, WITHIN 42 MILES OF: A) 57-58N 009-50W B) 57-19N 009-05W. 2. THIS IS AN EXTREMELY HAZARDOUS AREA AND MARINERS ARE REQUESTED TO VACATE DURING THE ABOVE PERIODS. ANY VESSEL INTENDING TO ENTER SHOULD CONTACT HEBRIDES RANGE CONTROL ON VHF CH16 OR THE RANGE CONTROLLER ON TELEPHONE NUMBER +441870604449 OR +447385341660. MARITIME PATROL AIRCRAFT MAY BE IN OPERATION TO SUPPORT FIRINGS AND MARINERS ARE REQUESTED TO COMPLY WITH ANY INSTRUCTIONS GIVEN. 3. CANCEL THIS MSG 142000 UTC MAR 2025. NAVAREA 1 45/25 SCOTLAND, EAST COAST. CHART GB 1407 (INT 1505). SEAGREEN OFFSHORE WINDFARM 56-36N 001-44W PERIMETER BUOYS PERMANENTLY DISCONTINUED. NAVAREA I 42/25 1. RIGLIST. CORRECT AT 030500 UTC MAR 2025. SOUTHERN NORTH SEA: 51N TO 55N 52-21.6N 003-20.5E PROSPECTOR 1 ACP P11-B DE RUYTER 53-00.3N 002-12.9E ERDA ACP LEMAN GAS FIELD 53-05.2N 001-51.1E VALARIS 72 53-06.5N 002-04.0E SEAFOX 4 ACP LEMAN GAS FIELD 53-14.6N 002-23.2E ENSCO 92 53-33.9N 006-17.3E SEAFOX 7 53-38.4N 004-33.8E SWIFT 10 ACP WINTERSHALL FIELD 53-56.1N 000-31.4E NOBLE RESILIENT 54-04.4N 000-54.9E HAEVA ACP RAVENSPURN NORTH GAS FIELD NEW 54-19.5N 002-56.1E WELL SAFE PROTECTOR ACP D15-FA-1 54-52.5N 000-02.3W VALARIS 123 NORTH SEA: 55N TO 60N, EAST OF 5W 55-24.0N 003-48.7E NOBLE RESOLUTE ACP A12-CPP 55-28.8N 005-06.5E SHELF DRILLING WINNER ACP DAN OIL FIELD 55-33.5N 005-08.0E NOBLE REACHER ACP HALFDAN OIL FIELD 56-22.6N 003-16.0E LINUS ACP ELDFISK OIL FIELD 56-25.8N 003-12.8E WEST ELARA 56-41.8N 002-20.3E NOBLE INTREPID ACP JUDY OIL FIELD 56-41.9N 002-20.2E VALARIS 120 ACP JUDY OIL FIELD 56-42.0N 003-07.1E NOBLE INTEGRATOR ACP FENRIS JACKET UNDER CONSTRUCTION 56-54.0N 002-22.8E VALARIS 122 ACP 30/02-WHPA 56-59.0N 002-57.6E NOBLE INVINCIBLE ACP TAMBAR OIL FIELD 57-00.8N 001-50.5E SHELF DRILLING FORTRESS ACP ELGIN GAS FIELD 57-01.5N 000-50.4E COSL INNOVATOR 57-01.9N 001-57.3E VALARIS 121 ACP SHEARWATER OIL FIELD 57-08.5N 002-17.0E STENA DON 57-09.1N 001-40.5E VALARIS 248 (EX GORILLA VI) 57-11.6N 001-54.8E VALARIS STAVANGER ACP CULZEAN GAS FIELD 57-18.7N 001-52.5E NOBLE INNOVATOR 57-48.9N 004-32.0E MAERSK INSPIRER ACP YME OIL FIELD 57-54.9N 000-30.8E PAUL B LOYD JR 58-25.1N 001-43.0E NOBLE LLOYD NOBLE ACP SLEIPNER GAS FIELD NEW 59-10.5N 002-22.5E COSL PIONEER 59-13.8N 002-33.3E DEEPSEA ABERDEEN NORWEGIAN SEA: 60N TO 65N, EAST OF 5W 60-22.9N 004-05.9W OCEAN GREATWHITE 60-30.3N 002-00.8E ASKEPOTT ACP MARTIN LINGE 60-44.2N 004-09.2E DEEPSEA STAVANGER 61-03.3N 002-04.4E ASKELADDEN 61-04.4N 003-17.0E DEEPSEA YANTAI 61-09.6N 001-06.6E NOBLE PATRIOT 61-20.7N 002-04.3E COSL PROMOTER 61-31.4N 003-48.7E TRANSOCEAN NORGE 64-39.9N 006-51.9E DEEPSEA ATLANTIC 64-45.8N 007-36.8E TRANSOCEAN SPITSBERGEN SOUTH AND WEST COASTS OF THE BRITISH ISLES 53-34.0N 003-27.3W IRISH SEA PIONEER ACP HAMILTON GAS FIELD 53-37.9N 003-10.3W VALARIS NORWAY ACP LENNOX OIL/GAS FIELD NOTES: A. RIGS ARE PROTECTED BY A 500 METRE SAFETY ZONE. B. ACP - ADJACENT TO CHARTED PLATFORM. C. FOR RIGS LOCATED NORTH OF 65N, EAST OF 5W, REFER TO NAVAREA XIX WARNINGS OR VISIT WWW.NAVAREA-XIX.NO 2. CANCEL NAVAREA I 35/25. NAVAREA I 30/25 SOUTHERN NORTH SEA. NORTH FORELAND TO OOSTENDE. 1. UNDERWATER OPERATIONS IN PROGRESS BY M/V CAUSEWAY AND M/V FREEWAY ALONG LINE JOINING 51-22.7N 001-26.9E, 51-23.5N 001-33.5E, 51-23.7N 001-38.9E, 51-22.6N 001-43.8E, 51-22.5N 002-12.7E, 51-21.1N 002-17.8E, 51-22.4N 002-27.1E, 51-22.2N 002-32.1E, 51-21.2N 002-34.0E, 51-21.0N 002-44.4E, 51-13.5N 002-53.8E. WIDE BERTH REQUESTED. 2. CANCEL NAVAREA I 22/25. NAVAREA I 226/24 NORWAY. ISPS ANNOUNCEMENT. 1. THE MARITIME SECURITY LEVEL IS SET TO LEVEL 2 IN THE FOLLOWING NORWEGIAN PORT: NOTAE-0002, CONOCO PHILLIPS BASE TANANGER. SHIPS CALLING AT THIS FACILITY SHALL RESPOND WITHOUT DELAY TO THIS CHANGE IN SECURITY LEVEL. 2. CANCEL NAVAREA I 204/24.