Archaeology breakthrough as mysterious 200-year-old shipwreck could be Royal Navy warship

[Surveyor]

Archaeology breakthrough as mysterious 200-year-old shipwreck could be Royal Navy warship (msn.com)

[11th Armoured]

Should be fairly easy to say whether the RN ever lost a ship in that area & if so when.

There seem to have been quite a number of civilian vessels fitted with copper hull sheathing though, so I'd say it might be more likely to be one of those, tbh.