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Two Wrecks Spanning Almost 300 Years of History Granted Protection

  • Rare shipwreck off Chesil Beach containing cast iron cannons today protected
  • First World War mine-laying submarine in North Yorkshire also protected
  • Historic England investigates newly-identified shipwreck at Tankerton in North Kent

The mystery wreck of two possible late 17th or early 18th century merchant ships containing 15 cast iron English cannons off Chesil Beach in Dorset and a First World War mine-laying U-boat off Whitby in North Yorkshire have been granted protection by the Department for Digital, Culture, Media and Sport on the advice of Historic England.

Cannon site wreck protected

The rare cannon-site wreck lies in two parts off Chesil Beach in Dorset and was discovered in 2010 by divers involved in the Weymouth-based Shipwreck Project, which promotes wreck research. There is an inshore site which lies just off the beach which comprises eight cast iron cannons identified as English 24-32 pounders cast between 1650 and 1725. The offshore site lies 220m south of these cannons and consists of seven cast iron English cannons, one of which is probably a six pounder, cast in the second half of the 17th century. The guns are not firmly dated because their features are heavily obscured by build-up of sediment.

A photo mosiac of the offshore Chesil Beach cannon site showing seven cast iron English cannons
A photo mosiac of the offshore Chesil Beach cannon site showing seven cast iron English cannons © Historic England

The inshore site appears to be the wreck of a merchant ship and the fact that the guns are of different lengths suggests that they were cargo. The offshore site is believed to be the wreck of a wooden sailing ship but because the cannons are different to those found inshore, this suggests the sites could represent two separate wrecks. It is possible that the Chesil Beach cannon sites could be the Dutch West Indiaman 'De Hoop' which stranded at Chesil Cove in 1749 and British cargo vessel 'Squirrel' which stranded on Chesil Beach in 1750.

See the List entry for the cannon-site wreck

German mine-laying U-boat protected

The First World War U-boat that has been granted protection is a German Imperial Navy UC-70 mine-laying submarine which was commissioned in 1916. The submarine conducted 10 patrols and sank 40 ships during the war before being bombed on 28 August 1918 with the loss of all its crew. The UC-70 is representative of the Type UC II class of submarines; the most successful submarine design in history. The submarine was discovered as part of Historic England's recent work to research and survey First World War submarine losses within UK territorial waters around England.

See the List entry for UC-70

88mm deck gun from the First World War German UC-70 mine-laying submarine
88mm deck gun from the First World War German UC-70 mine-laying submarine © Historic England

John Glen, Minister for Arts, Heritage and Tourism, said: "It's important that we protect these two sites that are part of our country's seafaring and naval history. The shipwreck off Chesil Beach is a rare discovery and by protecting it we can encourage further study of the site. The listing of the U-boat wreck off Whitby is also particularly poignant, as we continue to mark the centenary of the First World War and remember the sacrifices of those who fought 100 years ago."

Duncan Wilson, Chief Executive of Historic England, said: "These wrecks are separated by 280 miles and almost 300 years but they both comprise important elements of our maritime heritage. The importance of the UC-70 lies in its historical interest and the vulnerability of its component parts as well as its sensitivity as a war grave. The Chesil Beach wreck site is also important but for different reasons - it's rare to discover wooden ships of this age surviving on the seabed with so many cannons."

Tankerton shipwreck discovery

Historic England is also investigating the new discovery of a shipwreck at Tankerton, near Whitstable in North Kent, which comprises the bottom timbers of an oak-built boat. The wreck was discovered by a group of local volunteers. Tree-ring dating is being undertaken to determine the age of the ship which is estimated to be between 1200AD -1800AD.

Volunteers showing the outline of the newly discovered Tankerton wreck near Whitstable, North Kent
Volunteers showing the outline of the newly discovered Tankerton wreck near Whitstable, North Kent © Historic England
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