HMS Melampus was a 46-gun modified Leda-class fifth-rate frigate built for the Royal Navy during the 1810s. Laid down at Pembroke Dockyard in August 1817 and launched on August 10, 1820, she measured 151 feet 10 inches (46.3 meters) in length at the gundeck and 127 feet 1 inch (38.7 meters) at the keel. Her beam was 40 feet 6 inches (12.3 meters), with a draught of 14 feet 7 inches (4.4 meters) and a depth of hold of 12 feet 9 inches (3.9 meters). The vessel had a tonnage of approximately 1,088 tons burthen. Originally constructed at a cost of £23,007, she was completed for ordinary service at Plymouth Dockyard between September 2 and 23, 1829, with additional expenses for fitting out and sea readiness totaling around £16,228. The ship’s armament consisted of twenty-eight 18-pounder cannons on her gundeck, fourteen 32-pounder carronades on her quarterdeck, and an additional pair of 9-pounder cannons along with two more 32-pounder carronades on her forecastle. She carried a crew of approximately 315 officers and ratings. Though completed in 1820, Melampus was not commissioned until 1845, with her first active service beginning on March 12 under Captain John Campbell, and she was fully prepared for sea by May 18 of that year. She served primarily on the South America Station and was later repurposed for various auxiliary roles. In 1855, she was converted into a store and receiving ship, and she briefly served as a coast guard vessel before being paid off in 1858. Her later years included a conversion into a Roman Catholic chapel ship in 1866, and she was subsequently used as a store ship in the 1880s. Ultimately, HMS Melampus was sold for scrap in 1906, marking a lengthy career spanning nearly a century of service and auxiliary roles within the Royal Navy, reflecting her maritime significance as a versatile and enduring vessel.

This description has been generated using GPT-4.1-NANO based on the Vessel's wikidata information and then modified by ShipIndex.org staff.