HMS Heron was originally the merchant vessel Jason, launched at Newcastle in 1803, that the Admiralty purchased in 1804 for the Royal Navy for use as 16-gun ship-sloop under the name HMS Heron. During the Napoleonic Wars she served as a convoy escort on the Leeward Islands station. Then in 1810 the Admiralty had her converted into a bomb vessel and renamed her HMS Volcano. As Volcano she served during the War of 1812, and in particular participated in the Battle of Baltimore. The Admiralty sold her in 1816. New owners returned her to mercantile service under her original name of Jason. She was wrecked in 1821.
HMS Boadicea was a frigate of the Royal Navy. She served in the Channel and in the East Indies during which service she captured many prizes. She participated in one action for which the Admiralty awarded the Naval General Service Medal. She was broken up in 1858.
HMS Fly was a Swan-class ship sloop of the Royal Navy, launched on 14 September 1776. She performed mainly convoy escort duties during the French Revolutionary Wars, though she did capture three privateers. She foundered and was lost with all hands early in 1802.
HMS Reindeer was a Royal Navy 18-gun Cruizer-class brig-sloop of the Royal Navy, built by Samuel & Daniel Brent at Rotherhithe and was launched in 1804. She was built of fir, which made for more rapid construction at the expense of durability. Reindeer fought in the Napoleonic Wars before succumbing in 1814 to the guns of USS Wasp during the War of 1812.
HMS Persian was a Cruizer-class brig-sloop built by Daniel List and launched at Cowes in 1809. She captured two privateers before she wrecked in 1813.
HMS Brilliant was a 36-gun Venus-class fifth-rate frigate of the British Royal Navy that saw active service during the Seven Years' War with France. She performed well against the French Navy in the 1760 Battle of Bishops Court and the 1761 Battle of Cape Finisterre, but was less capable when deployed for bombardment duty off enemy ports. She also captured eight French privateers and sank two more during her six years at sea. The Royal Navy decommissioned Brilliant in 1763. The Navy sold her in 1776 and she became an East Indiaman for the British East India Company (EIC). Brilliant was wrecked in August 1782 on the Comoro Islands while transporting troops to India.
Two vessels have borne the designation, His Majesty's hired armed cutter Lion. The first served during the French Revolutionary Wars, capturing five privateers and several merchant vessels. The second served briefly at the start of the Napoleonic Wars. Both vessels operated in the Channel. The two cutters may have been the same vessel; at this juncture it is impossible to know. French records report that the French captured the second Lion in 1808 and that she served in the French Navy until 1809.
HMS Scourge was the former merchant sloop Herald, launched in 1799, that the Admiralty purchased in 1803 for service as a convoy escort. The Admiralty had her laid up in 1805, and sold in 1816. Subsequent owners returned her to mercantile service and she sailed until 1835 when she was lost.
HMS Merlin was launched in 1801 in South Shields as the collier Hercules. In July 1803, with the resumption of war with France, the Admiralty purchased her. She was one of about 20 such vessels that the navy would then employ primarily for convoy escort duties. She served on active duty until 1810, capturing one small privateer. She then served as a receiving ship until 1836 when the navy sold her for breaking up.
HMS Eling was one of six vessels built to an experimental design by Sir Samuel Bentham. It is not known when she was launched, though it may have been in 1796. After the Admiralty purchased her in 1798 for the Royal Navy she took part in several campaigns and captured a privateer and other vessels. She was broken up in 1814 after several years in ordinary.
HMS Trial or Tryall was a 10-gun two-masted Hind-class sloop of the Royal Navy, designed by Joseph Allin and built by him at Deptford Dockyard on the Thames River, England. She was launched on 17 July 1744. She and her sister ship, Jamaica, were the only sloops to be built in the Royal Dockyards between 1733 and 1748.
HMS Wolf was a 14-gun snow-rigged sloop of the Royal Navy, launched in 1742 as the first of three Wolf-class sloops constructed for action against Spanish privateers during the War of Jenkins' Ear.
HMS Basilisk was a Serpent-class bomb vessel of the Royal Navy, one of ten such vessels commissioned in 1695 to support land assaults on continental ports. Initially commissioned as part of Admiral John Berkeley's fleet during the Nine Years' War, she also saw service as an exploratory vessel along the St Lawrence River, and later as part of the victorious British forces at the Battle of Cape Passaro.
HMS Infernal was an 8-gun bomb vessel of the Royal Navy, constructed in 1757 and in service until 1763. Designed by Thomas Slade, she was the prototype for six subsequent Infernal class bomb vessels which saw service in the Mediterranean and the West Indies during the Seven Years' War with France. In 1760 she was refitted as a sloop and returned to active service in the Caribbean.
HMS Weazel or Weazle was a 16-gun ship-sloop of the Royal Navy, in active service during the War of the Austrian Succession, the Seven Years' War and the American Revolutionary War. Launched in 1745, she remained in British service until 1779 and captured a total of 11 enemy vessels. She was also present, but not actively engaged, at the Second Battle of Cape Finisterre in 1747.
HMS Lys was a 24-gun sloop-of-war of the Royal Navy which saw active service between 1745 and 1748, during the War of the Austrian Succession. Originally the French privateer Le Lis, she was captured by the Royal Navy in 1745 and refitted as a privateer hunter. In this role she secured a single victory at sea with the capture of a 10-gun French vessel in 1747. She was declared surplus to Navy requirements in 1748 and sold into private hands in 1749.
HMS Swallow was a 14-gun Merlin-class sloop of the Royal Navy. Commissioned in 1745, she initially served in home waters as a convoy escort and cruiser before sailing to join the East Indies Station in 1747. There she served in the squadron of Rear-Admiral Edward Boscawen, taking part in an aborted invasion of Mauritius and the Siege of Pondicherry. In 1755 Swallow returned home to join the Downs Station, as part of which she fought at the Raid on St Malo, Raid on Cherbourg, and Battle of Saint Cast in 1758. She was also present when the French fleet broke out of Brest prior to the Battle of Quiberon Bay in 1759.
HMS Shoreham was a 32-gun fifth rate vessel built under contract at Shoreham in 1693/94. During the War of the English Succession she was involved in the unsuccessful operation at Camaret Bay. At the end of the war she helped take half a French convoy off Ireland. She then deployed to North America and the West Indies. She was rebuilt as a 20-gun sixth rate to the 1719 Establishment in 1719/21. She served in the Baltic as a bomb vessel then reverted to a sixth rate. She participated in operations in the West Indies during the initial years of the War of Austrian Succession before being sold in 1744.
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