Were third rates sufficient for Britain's Baltic expedition?

Was the Royal Navy's Baltic expedition made up mainly of third rates?

Yes, mainly third rates, with a second-rate flagship recalled tentatively. That force was considered sufficient for the remaining Baltic opposition.

The British Baltic squadron consisted mainly of third rates, with a second-rate flagship recalled tentatively. That composition is judged sufficient for the naval opposition remaining in the Baltic. The assessment depends on the Royal Navy's previous operations against Copenhagen.