She served in the North Sea and the Baltic, most notably at the Battle of Lyngør, which effectively ended the Gunboat War.

[2] On 14 June 1805 Calypso and a large number of other British warships were in company when the gun-brig Basilisk captured the American ship Enoch.

However, the bank off Cape Grinez, and the shot and shells from the right face of its powerful battery, soon compelled the British to haul off from the shore.

Fleche was the closest inshore owing to her light draft of water; she had five men severely wounded and damage to her rigging.

[6] She was in sight on 12 April 1811 when the hired armed cutter Princess of Wales captured Dragen, S.N.

[8] On 14 June Weir captured the Danish privateer Nayahada off the coast of Jutland and destroyed another.

[11] That autumn Calypso was caught in a storm in October or November in which she lost her top masts and suffered extensive damage.

[13] On 6 July 1812, during the Gunboat War, Calypso, still under Weir, was off the island of Merdø on the coast of Norway.

Dictator and Calypso succeeded in destroying the new, 40-gun frigate Najaden and badly damaging the 18-gun brigs Laaland, Samsoe, and Kiel, as well as a number of gunboats.

[16] In 1847 the surviving British participants were authorized to apply for the clasp "Off Mardoe 6 July 1812" to the Naval General Service Medal.

She took back to England some of the wounded from the debacle in which the American privateer General Armstrong, under Samuel Chester Reid, inflicted a defeat and heavy losses on cutting-out parties from the third rate Plantagenet, the frigate Rota, and Carnation, a sister ship to Calypso.

[2] In April 1816, Lord Exmouth concluded treaties with the Regency of Algiers on the exchange of captives and slaves.

[2] A future governor of New South Wales, Lachlan Macquarie, who would replace William Bligh after the Rum Rebellion, sailed on board Calypso from Kronstadt, (Russia) to Yarmouth, England in September/October 1807.