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          Location: 0.5 nautical miles south‑east of Porticello, Italy. 
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          Location: off Cowes, Isle of Wight, England. 
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          Location: the Dover Strait. 
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          Location: Haverfordwest Town Weir on the River Cleddau, Wales. 
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          Location: Windermere, Cumbria, England. 
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          Location: Cowes Harbour, Isle of Wight. 
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          Location: 1 nautical mile south of Punta Rasca, Tenerife 
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          Urgent safety lesson issued after a fatal inversion of a sailing boat with a retractable keel. 
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          Location: 1500nm west of Fremantle, Australia. 
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          Location: Widnes, England. 
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          Urgent bulletin issued after working in a refrigerated salt water tank resulted in a fatal accident on board fv Sunbeam (FR487) at Fraserburgh, Scotland. 
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          Urgent safety lesson issued after the yacht Tyger of London capsized off Tenerife, Canary Islands due to a shallow draught, lead keel failure. 
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          Location: Cape Peninsula, South Africa. 
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          Urgent safety lessons issued after the failure of a throw bag rescue line during a boat capsize rescue drill on 24 March 2018. 
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          Urgent safety lesson issued after a fatal man overboard from the sailing yacht CV30 in the Indian Ocean on 18 November 2017. 
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          Locations: 122 miles west of Porto, Portugal (accident 1) | mid-Pacific (accident 2). 
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          Location: Thames Estuary off Southend-on-Sea, England.
 
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          Location: Off Puffin Island, Wales. 
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          This document makes an urgent recommendation to owners/operators of dory-type boats, and highlights the dangers of flooded void spaces. 
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          Location: Holyhead, Wales. 
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          Location: Off the Humber Estuary, England. 
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          Location: Near Strangford Lough, Northern Ireland.
 
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          This document makes urgent recommendations to the owner and the master of Grand Turk. 
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          Location: Berthed at Portsmouth, England.
 
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          Location: 7 miles off the coast of Felixstowe, England. 
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          Location: South of the Isle of Wight, England. 
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          Location: North Norfolk coast, England. 
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          Location: Thames Estuary. 
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          This document warns owners, skippers and crews about potential hazards associated with using LPG on board craft and makes recommendations. 
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          Location: 4 miles east of Whitby, England. 
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          This document makes urgent recommendations to users, service stations and suppliers of inflatable lifejackets. 
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          Location: 6 miles east south east of Lowestoft, England. 
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          Location: English Channel off south coast of England. 
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          This documents highlights safety concerns to owners, operators and crew of yachts. 
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          Location: Stokes Bay, near Gosport, England. 
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          Location: English Channel off the south coast of England.  
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          Location: 23 miles south of The Needles, Isle of Wight, England. 
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          Location: Portsmouth harbour area, England. 
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          Location: River Medina, Isle of Wight, England. 
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          Location: Berthed in Poole Harbour, England.
 
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          Location: 14.5 miles south of Selsey Bill, West Sussex, England. 
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          Location: Lyme Bay, England. 
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          Location: Approaches to Burry Inlet, Wales. 
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          Location: Kielder Water in Northumberland, England.
 
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          This document makes urgent recommendations to hire boat operators and all bodies/authorities responsible for the licensing of such vessels. 
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          Urgent recommendations made to ship owners/managers, industry bodies/organisations and the Maritime and Coastguard Agency. 
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          Location: Entrance to Poole Harbour, England. 
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          Location: Near Dalmally, Loch Awe, Scotland. 
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          Location: Foreign coastal waters. 
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          Location: The Solent, off the south coast of England.