Ten ships of the

Royal Navy The Royal Navy (RN) is the United Kingdom's naval warfare force. Although warships were used by English and Scottish kings from the early medieval period, the first major maritime engagements were fought in the Hundred Years' War against F ...

have borne the name HMS ''Alarm'', whilst another was planned but later cancelled: * was a 32-gun

fifth rate In the rating system of the Royal Navy used to categorise sailing warships, a fifth rate was the second-smallest class of warships in a hierarchical system of six " ratings" based on size and firepower. Rating The rating system in the Royal N ...

frigate A frigate () is a type of warship. In different eras, the roles and capabilities of ships classified as frigates have varied somewhat. The name frigate in the 17th to early 18th centuries was given to any full-rigged ship built for speed and ...

, launched in 1758. She was the first Royal Navy ship to have a fully copper sheathed hull. She was broken up in 1812. * was a 4-gun cutter purchased in 1763 and sold in 1780. * was a

galley A galley is a type of ship that is propelled mainly by oars. The galley is characterized by its long, slender hull, shallow draft, and low freeboard (clearance between sea and gunwale). Virtually all types of galleys had sails that could be used ...

purchased in 1777 and scuttled to avoid capture in July 1778. * was a 24-gun

sixth rate In the rating system of the Royal Navy used to categorise sailing warships, a sixth-rate was the designation for small warships mounting between 20 and 28 carriage-mounted guns on a single deck, sometimes with smaller guns on the upper works and ...

captured from the Dutch in 1799, and renamed ''Helder'' and then ''Heldin'' in 1800 and sold in 1802. * was a lugger of eight

carronade A carronade is a short, smoothbore, cast-iron cannon which was used by the Royal Navy. It was first produced by the Carron Company, an ironworks in Falkirk, Scotland, and was used from the mid-18th century to the mid-19th century. Its main func ...

s transferred from Customs in 1810 and returned to Customs in 1812 or 1813. *HMS ''Alarm'' was to be a 28-gun sixth rate laid down in 1832 and cancelled later that year. * was a 28-gun sixth rate launched in 1845. She was converted into a coal hulk in 1860 and sold in 1904. * was an , launched in 1892 and sold in 1907. * was an , launched in 1910 and sold in 1921. * was the former Saint-class naval

tug A tugboat or tug is a marine vessel that manoeuvres other vessels by pushing or pulling them, with direct contact or a tow line. These boats typically tug ships in circumstances where they cannot or should not move under their own power, suc ...

''Saint Ewe'' built in 1919 and hired from the Iraqi Government in 1940 as a minesweeper; renamed ''Alarm II'' in 1942 and returned in 1946. * was an launched in 1942, damaged by German aircraft in 1943, and declared a constructive total loss. She was scrapped in 1944.http://uboat.net/allies/warships/ship/3748.html
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References

{{DEFAULTSORT:Alarm, Hms Royal Navy ship names