Hurd's Deep is an underwater valley in the English Channel, northwest of the Channel Islands. Its maximum depth is about 180 m, making it the deepest point in the English Channel.
Hurd Deep running from bottom left to top right of an extract from a 1955 Admiralty Chart
1955 Admiralty Chart No 2649 showing Hurd Deep in the context of the English Channel
HMS Affray was a British Amphion-class submarine. Affray was built in the closing stages of the Second World War. She was one of 16 submarines of her class which were originally designed for use in th
Hurd's Deep
…which has a half-life of 24,100 years – were disposed of into the Deep during this period. SMS Baden was scuttled there in 1921. The British submarine HMS Affray sank in Hurd's Deep in 1951 with the loss of 75 lives. In Harry Collingwood's science fiction stories about the Flying-Fish airship-submarine, the…
Affray, last Royal Navy submarine to be lost at sea.
Affray after launching at the Cammel Laird ship yard, Birkenhead, 1944
Wreck of the Affray, as seen on the television screen on board the salvage vessel
Plaque in Gosport for the submarine Affray, 2012