Radio Navigational Warnings

All warnings
Reference Date Time Group Description Select
WZ 854/22 191326 UTC Aug 22 SOUTHERN NORTH SEA, Outer Well Bank. Boulton Gas Field. Platform 44/21A, unlit and all navaids inoperative.

UK Coastal

WZ 854/22

191326 UTC Aug 22

                                            SOUTHERN NORTH SEA.
Outer Well Bank. 
Boulton Gas Field. 
1. Platform 44/21A, 54-14.6N 002-9.2E, unlit and all Navaids inoperative.
2. Cancel WZ 713
                                        
NAVAREA I 129/22 191001 UTC Aug 22 NAVAREA I WARNINGS IN FORCE AT 191000 UTC AUG 22

NAVAREA 1

NAVAREA I 129/22

191001 UTC Aug 22

                                            1. NAVAREA I WARNINGS IN FORCE AT 191000 UTC AUG 22:
 
2021 SERIES: 031.
2022 SERIES: 068, 075, 100, 101, 104, 114, 117, 120, 122, 127, 128, 129.

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 (100/22 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: www.admiralty.co.uk/RNW.
Alternatively, these may be requested by e-mail from NAVAREA I Co-ordinator at: navwarnings@ukho.gov.uk

2. Cancel NAVAREA I 123/22.
                                        
WZ 851/22 182135 UTC Aug 22 ENGLAND, EAST COAST. North Foreland Eastwards. Salvage and pollution response operation in progress.

UK Coastal

WZ 851/22

182135 UTC Aug 22

                                            ENGLAND, EAST COAST. North Foreland Eastwards.
1. Salvage and pollution response operation in progress, 51-22.58N 001-45.27E. M/V Willchallenge, M/V Sartor, M/V Havila Borg and M/V Coastal Challenger in attendance.
2. Temporary exclusion zone, radius 0.5 miles, established centred on this position. Vessels are prohibited from entering this zone.
3. Cancel WZ 844.
                                        
WZ 850/22 181720 UTC Aug 22 GMDSS. MRCC Milford Haven. VHF R/T service from Tenby site, off air.

UK Coastal

WZ 850/22

181720 UTC Aug 22

                                            GMDSS.
MRCC Milford Haven.
VHF R/T service from Tenby site, 51-41.7N 004-41.3W, off air.
                                        
WZ 848/22 172108 UTC Aug 22 GMDSS. MRCC Falmouth. VHF R/T and DSC services from Hartland site, off air.

UK Coastal

WZ 848/22

172108 UTC Aug 22

                                            GMDSS. 
MRCC Falmouth.
1. VHF R/T and DSC services from Hartland site, 51-01.2N 004-31.3W, off air.
2. Cancel WZ 825.

                                        
WZ 846/22 171615 UTC Aug 22 GMDSS. MRCC Aberdeen. VHF R/T and DSC services from Rosemarkie site, off air.

UK Coastal

WZ 846/22

171615 UTC Aug 22

                                            GMDSS.
MRCC Aberdeen.
VHF R/T and DSC services from Rosemarkie site, 57-38.0N 004-04.4W, off air.
                                        
WZ 841/22 161625 UTC Aug 22 ENGLAND, EAST COAST. North Foreland North-eastwards. Thanet Wind Farm. Turbines unlit and fog signals inoperative.

UK Coastal

WZ 841/22

161625 UTC Aug 22

                                            ENGLAND, EAST COAST. 
North Foreland North-eastwards. 
Thanet Wind Farm. 
1. Turbine at 51-27.4N 001-38.7E, fog signal inoperative.
2. Turbine at 51-24.4N 001-40.8E, unlit and fog signal inoperative.

                                        
WZ 837/22 151405 UTC Aug 22 SOUTHERN NORTH SEA. Ravenspurn North Gas Field. Platform North 42/30-ST3, unlit and all navaids inoperative.

UK Coastal

WZ 837/22

151405 UTC Aug 22

                                            SOUTHERN NORTH SEA. 
Ravenspurn North Gas Field. 
Platform North 42/30-ST3, 54-04.3N 000-54.8E, unlit and all navaids inoperative.
                                        
WZ 836/22 150820 UTC Aug 22 SOUTHERN NORTH SEA. Outer Silver Pit Southwards. Hornsea Offshore Wind Farm. Turbine A04 unlit and fog signal inoperative.

UK Coastal

WZ 836/22

150820 UTC Aug 22

                                            SOUTHERN NORTH SEA. Outer Silver Pit Southwards. Hornsea Offshore Wind Farm.
1. Turbine A04, 53-49.5N 002-10.5E, unlit and fog signal inoperative.
2. Cancel WZ 701.
                                        
NAVAREA I 128/22 150500 UTC Aug 22 Riglist. Correct at 150500 UTC Aug 22

NAVAREA 1

NAVAREA I 128/22

150500 UTC Aug 22

                                            NAVAREA I 128/22

1. RIGLIST. Correct at 150500 UTC Aug 22.

    Southern North Sea: 51N to 55N
    52-15.4N 004-05.2E Seafox 7 ACP HZB
    52-55.5N 004-08.9E Maersk Resolute ACP Q1-Hoorn A
    53-00.0N 001-50.8E Valaris 72 ACP Hewett Gas Field
    53-11.0N 002-05.9E Noble Hans Deul ACP Southwark
NEW 53-13.9N 002-37.4E Seafox 4 ACP Corvette Gas Field
    53-14.0N 003-14.5E 590021 ACP Allseas Test
    53-18.8N 004-14.9E Maersk Resilient ACP L13-FE-1
    53-37.4N 000-47.4E Erda ACP Amethyst 47/14-A2D
    53-43.5N 004-05.9E Seafox 2 ACP L4-A
    53-56.4N 002-44.8E Maersk Resolve ACP Chiswick Gas Field
    53-56.9N 003-39.8E Prospector 1 ACP K2b-A
    54-01.9N 001-06.2E Haeva ACP Ravenspurn North Gas Field
    54-03.6N 002-04.7E Valaris Gorilla V ACP Schooner Gas Field             
    
    North Sea: 55N to 60N, East of 5W
    55-28.6N 005-06.4E Maersk Reacher ACP Dan Oil Field
    55-32.3N 005-01.8E Noble Sam Turner ACP Halfdan Oil Field
    55-43.1N 004-48.0E Haven ACP Tyra Gas Field
    55-47.5N 003-59.7E Swift 10 ACP A6-A
    56-10.8N 003-28.0E Maersk Integrator ACP Hod Oil Field
    56-22.6N 003-16.0E West Linus ACP Eldfisk Oil Field
    56-32.9N 003-12.9E West Elara ACP Ekofisk Oil Field
    56-41.8N 002-20.1E Valaris 121 ACP Judy Oil field
NEW 56-44.6N 000-40.6E Maersk Innovator
    56-51.0N 002-15.3E Valaris 120 ACP Jade Oil Field
    56-59.4N 001-18.9E Well Safe Guardian
    57-00.6N 001-50.1E Safe Caledonia ACP Elgin Gas Field
    57-09.2N 001-40.4E Valaris Gorilla VI
    57-22.5N 001-59.9E Valaris Norway ACP Mungo Oil Field
    57-35.9N 001-08.7E Valaris 123
    57-41.9N 001-24.2E Valaris 122
    57-45.4N 004-22.2E Valaris Viking
    57-48.9N 004-32.0E Maersk Inspirer ACP YME Oil Field
    57-54.1N 000-36.5W COSL Innovator
    58-10.5N 001-22.7W Stena Don
    58-18.4N 001-39.8W COSL Pioneer
    58-48.5N 002-40.8E Deepsea Atlantic
    58-50.7N 001-44.6E Rowan Stavanger ACP Gudrun Oil and Gas Field
    59-13.1N 002-25.5E West Phoenix
    59-15.8N 002-37.4E Deepsea Aberdeen
    59-27.4N 001-34.5E Ocean Patriot
    59-27.7N 002-15.9E Transocean Norge


    Norwegian Sea: 60N to 65N, East of 5W
    60-11.4N 001-42.2E Paul B Loyd Jr
    60-24.0N 002-40.1E Askepott
    60-30.4N 002-02.6E Transocean Equinox
    60-31.7N 002-34.8E Maersk Intrepid
NEW 60-34.6N 003-26.6E Transocean Enabler
    60-51.3N 002-51.1E Deepsea Stavanger
    60-52.6N 003-29.6E Transocean Endurance
NEW NAVAREA II         Island Innovator
    61-02.4N 002-20.2E Noble Lloyd Noble ACP Valemon
    61-31.2N 003-58.1E Deepsea Yantai
    61-40.3N 001-29.2E Ocean Endeavor
NEW 63-23.1N 005-18.7E Transocean Barents


    South and West Coasts of the British Isles
    NIL

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 116/22.
                                        
NAVAREA 127/22 141105 UTC Aug 22 NORWEGIAN SEA. Norway, West Coast. Seismic survey in progress by M/V Ramform Vanguard.

NAVAREA 1

NAVAREA 127/22

141105 UTC Aug 22

                                            NORWEGIAN SEA. Norway, West Coast. Chart GB 1427 (INT 1401).
Seismic survey in progress by M/V Ramform Vanguard towing 14 x 5025 metre long cables within area bounded by: 60-52.3N 004-13.0E, 60-52.0N 004-38.8E, 60-04.8N 004-36.5E and 60-05.0N 004-11.2E. Support vessels M/V Rig Andromeda and M/V Sanco Sea in attendance. Wide berth of 3 miles ahead and abeam and 6 miles astern requested. 
                                        
NAVAREA I 122/22 112145 UTC Aug 22 NORTH SEA, NORWEGIAN SECTOR. Loke Gas Field. Seismic survey in progress by M/V Sanco Atlantic.

NAVAREA 1

NAVAREA I 122/22

112145 UTC Aug 22

                                            NORTH SEA, NORWEGIAN SECTOR. 
Loke Gas Field. 
Chart GB 274.
Seismic survey in progress by M/V Sanco Atlantic towing 12 x 150 metre cables within area bounded by 58-27.7N 001-52.8E, 58-27.7N 002-06.7E, 58-17.8N 002-06.7E and 58-17.8N 001-52.9E.
                                        
NAVAREA I 120/22 101010 UTC Aug 22 NORTH SEA, UK SECTOR. Forty Mile Ground South-Eastwards. Seismic survey in progress by M/V Amazon Warrior.

NAVAREA 1

NAVAREA I 120/22

101010 UTC Aug 22

                                            NORTH SEA, UK SECTOR. 
Forty Mile Ground South-Eastwards. 
Chart GB 2182C (INT 1041).
1. Seismic survey in progress by M/V Amazon Warrior towing 8 x 3100 metre long cables within area bounded by 59-57.6N 000-51.6E, 59-38.9N 001-51.5E, 59-11.2N 001-17.7E and 59-29.6N 000-18.3E. 
Guard vessels in attendance. Wide berth requested.
2. Cancel NAVAREA I 059/22.
                                        
WZ 814/22 091315 UTC Aug 22 DOVER STRAIT. Colbart N light-buoy off station.

UK Coastal

WZ 814/22

091315 UTC Aug 22

                                            DOVER STRAIT.
The Ridge (Le Colbart).
1. Colbart N light-buoy, 50-57.5N 001-23.3E, off station. 
2. Cancel WZ 688.
                                        
WZ 813/22 090840 UTC Aug 22 NORTH SEA. Dogger Bank. Unexploded ordnance.

UK Coastal

WZ 813/22

090840 UTC Aug 22

                                            NORTH SEA. 
Dogger Bank. 
Unexploded ordnance located on seabed in: 55-04.38N 001-31.43E, 54-53.72N 001-51.61E and 54-52.04N 001-42.22E.
                                        
WZ 811/22 081430 UTC Aug 22 SOUTHERN NORTH SEA. Ravenspurn North Gas Field. Platform North 43/26-ST2, fog signal inoperative.

UK Coastal

WZ 811/22

081430 UTC Aug 22

                                            SOUTHERN NORTH SEA. 
Ravenspurn North Gas Field.
1. Platform North 43/26-ST2, 54-03.3N 001-02.0E, fog signal inoperative.
2. Cancel WZ 684.
                                        
NAVAREA I 117/22 081115 UTC Aug 22 NORWEGIAN SEA. Sub-surface mooring established.

NAVAREA 1

NAVAREA I 117/22

081115 UTC Aug 22

                                            NORWEGIAN SEA.
Tampen North-eastward.
Chart GB 295.
Sub-surface mooring, least depth 38 metres, temporarily established in 62-01.6N 001-26.0E.

                                        
WZ 808/22 080920 UTC Aug 22 ENGLAND, SOUTHWEST COAST. Mounts Bay. Tater du light, range of white light permanently changed.

UK Coastal

WZ 808/22

080920 UTC Aug 22

                                            ENGLAND, SOUTHWEST COAST. 
Mounts Bay.
1. Tater du light, 50-03.1N 005-34.6W, range of white light permanently changed to 12 miles.
2. Cancel WZ 683 (EA50).
                                        
WZ 803/22 061340 UTC Aug 22 GMDSS. MRCC Stornoway. MF R/T service from Tiree Airport site off air.

UK Coastal

WZ 803/22

061340 UTC Aug 22

                                            GMDSS.  
MRCC Stornoway.
1. MF R/T service from Tiree Airport site, 56-30.0N 006-52.8W, off air.
2. Cancel WZ 679.
                                        
NAVAREA I 114/22 061145 UTC Aug 22 NORTH SEA, UK SECTOR. Long Forties Eastwards. Seismic survey in progress by M/V Ramform Atlas.

NAVAREA 1

NAVAREA I 114/22

061145 UTC Aug 22

                                            NORTH SEA, UK SECTOR. 
Long Forties Eastwards. 
Chart GB 2182B (INT 1042).
Seismic survey in progress by M/V Ramform Atlas towing 15 x 5000 metre long cables within area bound by 57-12.4N 002-01.5E, 57-04.8N 002-16.9E, 56-44.0N 001-42.7E and 56-51.4N 001-27.3E. 
Wide berth of 3 miles requested.
                                        
WZ 802/22 060315 UTC Aug 22 GMDSS. MRCC Aberdeen. MF R/T and DSC services from Gregness site, off air.

UK Coastal

WZ 802/22

060315 UTC Aug 22

                                            GMDSS.
MRCC Aberdeen.
MF R/T and DSC services from Gregness site, 57-07.7N 002-03.2W, off air.
                                        
WZ 800/22 051100 UTC Aug 22 NORTH SEA. Dogger Bank, Eastermost Shoal. Wreck reported.

UK Coastal

WZ 800/22

051100 UTC Aug 22

                                            NORTH SEA.
Dogger Bank, Eastermost Shoal.
1. Wreck reported at 54-40.1N 002-26.8E, least depth 15.6 metres.
2. Cancel WZ 674.
                                        
WZ 798/22 050840 UTC Aug 22 ENGLAND, WEST COAST. South Morecambe Gas Field. East cardinal light buoy, unlit.

UK Coastal

WZ 798/22

050840 UTC Aug 22

                                            ENGLAND, WEST COAST. 
South Morecambe Gas Field.
East cardinal light buoy, 53-52.5N 003-33.4W, unlit.

                                        
WZ 796/22 041350 UTC Aug 22 ENGLAND, SOUTH COAST. Falmouth. Saint Anthony Head light. Range of white and red sector lights permanently changed.

UK Coastal

WZ 796/22

041350 UTC Aug 22

                                            ENGLAND, SOUTH COAST. 
Falmouth.
Saint Anthony Head light, 50-08.5N 005-01.0W.
1. Range of white sector light permanently changed to 12 miles.
2. Range of red sector light permanently changed to 9 miles.
                                        
WZ 790/22 011820 UTC Aug 22 ENGLAND, EAST COAST. North Foreland to Fairy W light buoy. Underwater cable operations in progress by C/S Responder.

UK Coastal

WZ 790/22

011820 UTC Aug 22

                                            ENGLAND, EAST COAST. 
North Foreland to Fairy W light buoy.
Underwater cable operations in progress by C/S Responder in vicinity of line joining 51-23.8N 001-29.2E, 51-28.7N 001-37.7E, 51-29.5N 001-48.1E and 51-24.7N 002-10.3E. 
Guard vessel M/V Drifa and Tugboat Wulf 7 in attendance.
                                        
WZ 789/22 011130 UTC Aug 22 DOVER STRAIT, WESTERN PART. Cap Griz-Nez North-westwards. ZC2 light buoy unlit.

UK Coastal

WZ 789/22

011130 UTC Aug 22

                                            DOVER STRAIT, WESTERN PART. 
Cap Griz-Nez North-westwards.
1. ZC2 light buoy, 50-53.5N 001-30.9E, unlit.
2. Cancel WZ 658.
                                        
WZ 787/22 311340 UTC Jul 22 ENGLAND, SOUTH COAST. Mounts Bay, Tater-du East-south-eastwards. Fishing gear reported abandoned.

UK Coastal

WZ 787/22

311340 UTC Jul 22

                                            ENGLAND, SOUTH COAST. 
Mounts Bay, Tater-du East-south-eastwards.
Fishing gear, marked by surface buoys, reported abandoned in vicinity 50-02.2N 005-31.2W and 50-02.3N 005-31.0W.
                                        
WZ 780/22 281800 UTC Jul 22 ENGLAND, EAST COAST. Dudgeon Wind Farm. Turbine Navaid Failures

UK Coastal

WZ 780/22

281800 UTC Jul 22

                                            ENGLAND, EAST COAST.
Dudgeon Wind Farm. 
1. Turbine G05, 53-16.0N 001-26.7E, unlit and fog signal inoperative. Turbine L03, 53-14.1N 001-22.7E, fog signal inoperative.
2.  Cancel WZ 667.

                                        
WZ 773/22 271700 UTC Jul 22 DOVER STRAIT, EASTERN PART. Sandettie Bank Northwards. MDW light-buoy missing.

UK Coastal

WZ 773/22

271700 UTC Jul 22

                                            DOVER STRAIT, EASTERN PART.
Sandettie Bank Northwards.
1. MDW light-buoy, 51-19.2N 001-59.3E, missing.
2. Cancel WZ 644.
                                        
WZ 771/22 261010 UTC Jul 22 CHANNEL ISLANDS. Guernsey. Little Russel Approaches. Roustel Lighted Beacon damaged and unlit.

UK Coastal

WZ 771/22

261010 UTC Jul 22

                                            CHANNEL ISLANDS.
Guernsey.
Little Russel Approaches.
1. Roustel Lighted Beacon, 49-29.2N 002-28.8W, damaged and unlit.
2. Cancel WZ 638.
                                        
WZ 767/22 250720 UTC Jul 22 SCOTLAND, WEST COAST. Skye Bridge Iso red light, unlit.

UK Coastal

WZ 767/22

250720 UTC Jul 22

                                            SCOTLAND, WEST COAST. 
Isle of Skye. 
1. Skye Bridge Iso red light, 57-16.5N 005-44.6W, unlit.
2. Cancel WZ 633.
                                        
NAVAREA I 104/22 250510 UTC Jul 22 NORTH SEA, NORWEGIAN SECTOR. Floro Westwards. Seismic survey in progress by M/V Amazon Conqueror.

NAVAREA 1

NAVAREA I 104/22

250510 UTC Jul 22

                                            NORTH SEA, NORWEGIAN SECTOR. 
Floro Westwards. 
Chart GB 2182D (INT 1040). 
1. Seismic survey in progress by M/V Amazon Conqueror towing 14 x 8700 metre cables within area bounded by 61-16N 002-44E, 61-28N 002-43E, 61-28N 002-18E, 61-42N 002-18E, 61-41N 004-15E and 61-16N 004-15E. 
Guard vessels Linde-G and Mainport Cedar in attendance. Wide berth of 3 miles ahead and abeam and 7 miles astern requested. 
2. Cancel Navarea I 065/22.
                                        
WZ 749/22 201845 UTC Jul 22 ENGLAND, EAST COAST. Leman Gas Field. Platform 49/26-G, unlit and all navaids inoperative.

UK Coastal

WZ 749/22

201845 UTC Jul 22

                                            ENGLAND, EAST COAST. 
Leman Gas Field. 
1. Platform 49/26-G, 53-07.1N 002-06.2E, unlit and all navaids inoperative.
2. Cancel WZ 621.
                                        
NAVAREA I 101/22 192357 UTC Jul 22 NORTH SEA, UK SECTOR. Cawdor Oil Field North-westwards. Safety zone established.

NAVAREA 1

NAVAREA I 101/22

192357 UTC Jul 22

                                            NORTH SEA, UK SECTOR. 
Cawdor Oil Field North-westwards. 
Chart GB 272.
Safety zone radius 500 metres established, centred on 56-35.0N 002-28.4E.
                                        
NAVAREA I 100/22 192355 UTC Jul 22 NORTH SEA, UK SECTOR. Thames Gas Field. Safety zone established.

NAVAREA 1

NAVAREA I 100/22

192355 UTC Jul 22

                                            NORTH SEA, UK SECTOR. 
Thames Gas Field. 
Chart GB 1503 (INT 1509).
Safety zone radius 500 metres established, centred on 53-09.3N 002-44.0E.
                                        
WZ 739/22 181415 UTC Jul 22 NORTH SEA. Halibut Bank Eastwards. Lyell Oil Field. West cardinal light buoy and East cardinal light buoy, permanently discontinued.

UK Coastal

WZ 739/22

181415 UTC Jul 22

                                            NORTH SEA. 
Halibut Bank Eastwards. 
Lyell Oil Field.
1. West cardinal light-buoy, 60-54.6N 001-24.5E and East cardinal light-buoy, 60-54.5N 001-26.2E, permanently discontinued.
2. Cancel WZ 619.
                                        
WZ 732/22 160804 UTC Jul 22 GMDSS. MRCC Falmouth. MF R/T & DSC services from Saint Mary's, Isles of Scilly site off air.

UK Coastal

WZ 732/22

160804 UTC Jul 22

                                            GMDSS. 
MRCC Falmouth. 
1. MF R/T and DSC services from Saint Mary's, Isles of Scilly site, 49-55.7N 006-18.2W, off air.
2. Cancel WZ 615.
                                        
WZ 728/22 150840 UTC Jul 22 ENGLAND, EAST COAST. Leman Gas Field. Platform 49/27-J, unlit and all navaids inoperative.

UK Coastal

WZ 728/22

150840 UTC Jul 22

                                            ENGLAND, EAST COAST. 
Leman Gas Field. 
1. Platform 49/27-J, 53-01.9N 002-13.1E,  unlit and all navaids inoperative.
2. Cancel WZ 610.
                                        
NAVAREA I 075/22 071825 UTC Jun 22 NORTH SEA, NORWEGIAN SECTOR. Bergen Bank. Seismic survey in progress

NAVAREA 1

NAVAREA I 075/22

071825 UTC Jun 22

                                            NORTH SEA, NORWEGIAN SECTOR.
Bergen Bank.
Chart GB 294.
Seismic survey in progress by M/V SW Vespucci, M/V SW Cook and M/V SW Tasman within area bounded by  60-14.2N 002-02.4E, 60-25.1N 002-55.9E, 59-59.6N 003-09.0E and 59-51.1N 002-25.7E.
Guard vessels Ocean Dee and Tess in attendance.
Wide berth requested.
                                        
NAVAREA I 068/22 241500 UTC May 22 SCOTLAND, EAST COAST. Moray Firth. Buoys marking perimeter of Moray East Offshore Wind Farm, permanently discontinued.

NAVAREA 1

NAVAREA I 068/22

241500 UTC May 22

                                            SCOTLAND, EAST COAST. 
Moray Firth.
Chart GB 115 (INT 1503).
Buoys marking perimeter of Moray East Offshore Wind Farm, 58-12N 002-42W, permanently discontinued.
                                        
NAVAREA I 031/21 181540 UTC Mar 21 NOTIFICATION OF INITIAL OPERATIONAL CAPABILITY OF IRIDIUM SAFETYCAST SERVICES.

NAVAREA 1

NAVAREA I 031/21

181540 UTC Mar 21

                                            ?NOTIFICATION OF INITIAL OPERATIONAL CAPABILITY OF IRIDIUM SAFETYCAST SERVICES.
NAVAREA I AND METAREA I CO-ORDINATORS ARE COMMENCING INITIAL OPERATIONAL CAPABILITY (IOC) PHASE FOR IRIDIUM SAFETYCAST NAVIGATIONAL WARNINGS AND METEOROLOGICAL INFORMATION, EFFECTIVE 23 MARCH 2021.
NAVAREA I AND METAREA I WILL PROMULGATE SAFETYCAST MESSAGES AS PART OF A NUMBERED SERIES DURING IOC IN ACCORDANCE WITH THE JOINT IMO/IHO/WMO MARITIME SAFETY INFORMATION MANUAL.
MESSAGES MAY BE INTERMITTENT AND WILL ALSO BE SUPPLEMENTED BY TEST MESSAGES WHICH WILL BE CLEARLY DEFINED IN THE MESSAGE HEADER.
MARINERS ARE ADVISED THAT IOC WILL BE IN PLACE FOR NAVAREA I AND METAREA I UNTIL FURTHER NOTICE.
SEE UK ADMIRALTY NOTICES TO MARINERS SECTION VI FOR FURTHER INFORMATION. CONTACT INFORMATION FOR NAVAREA I IS; PHONE: +44 (0)1823 353448, FAX: +44 (0)1823 322352, EMAIL: NAVWARNINGS@UKHO.GOV.UK.