The Admiralty ordered twelve vessels on 2 April 1804.

The company is still growing and has ordered 58 new vessels (owned outright or on long-term leases) to be delivered over the next four years.

It was originally planned to order four vessels of this class, but budget restrictions prevented this.

The Romanians wished to order two more vessels but could not afford to do so due to economic problems.

Previous shipping industry booms have tended to end quickly, with executives glutting the market by ordering too many new vessels.

This so impressed the Admiralty that on his return in 1808 it immediately ordered four vessels of war to be fitted with chain cables.

The Board ordered ordered six vessels to this design during May 1804, all of fir.

The Board ordered 22 vessels to this design, seventeen of which were launched in 1806 and five in 1807.

The Board ordered 10 vessels to this design - all on 1 October 1806, nine of which were launched in 1807 and one in 1808.

This Board ordered 14 vessels to this design during 1807 and 1808.