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HMS Aetna (1776)
Ten ships of the Royal Navy have been named HMS ''Aetna'' (historically spelled ''Ætna'') or HMS ''Etna'', after the volcano Etna: * was an 8-gun fireship launched in 1691 and captured by the French in 1697. * was an 8-gun fireship purchased in 1739 and sold in 1746. * was an 8-gun fireship purchased in 1756. She was converted into a sloop later that year and was sold in 1763. * was an 8-gun fireship purchased in 1771. She was renamed HMS ''Scorpion'' and converted into a sloop later that year and was sold in 1780. * was an 8-gun bomb vessel launched in 1776 and broken up in 1784. * HMS ''Aetna'' (or ''Etna'') was a French 20-gun corvette that and captured from the French in 1796. The Royal Navy rated her as a sixth rate and renamed her HMS ''Cormorant'' in 1797; she was wrecked in 1800. * was the mercantile ''Success'' launched in 1803 at Littlehampton. The Admiralty purchased here in 1803 to convert her to a Royal Navy an 8-gun bomb vessel. The Navy sold her in 1816 and s ...
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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 France. The modern Royal Navy traces its origins to the early 16th century; the oldest of the UK's armed services, it is consequently known as the Senior Service. From the middle decades of the 17th century, and through the 18th century, the Royal Navy vied with the Dutch Navy and later with the French Navy for maritime supremacy. From the mid 18th century, it was the world's most powerful navy until the Second World War. The Royal Navy played a key part in establishing and defending the British Empire, and four Imperial fortress colonies and a string of imperial bases and coaling stations secured the Royal Navy's ability to assert naval superiority globally. Owing to this historical prominence, it is common, even among non-Britons, to ref ...
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Mount Etna
Mount Etna, or simply Etna ( it, Etna or ; scn, Muncibbeḍḍu or ; la, Aetna; grc, Αἴτνα and ), is an active stratovolcano on the east coast of Sicily, Italy, in the Metropolitan City of Catania, between the cities of Messina and Catania. It lies above the convergent plate margin between the African Plate and the Eurasian Plate. It is one of the tallest active volcanoes in Europe, and the tallest peak in Italy south of the Alps with a current height (July 2021) of , though this varies with summit eruptions. Over a six-month period in 2021, Etna erupted so much volcanic material that its height increased by approximately , and the southeastern crater is now the tallest part of the volcano. Etna covers an area of with a basal circumference of . This makes it by far the largest of the three active volcanoes in Italy, being about two and a half times the height of the next largest, Mount Vesuvius. Only Mount Teide on Tenerife in the Canary Islands surpasses it in ...
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Fireship
A fire ship or fireship, used in the days of wooden rowed or sailing ships, was a ship filled with combustibles, or gunpowder deliberately set on fire and steered (or, when possible, allowed to drift) into an enemy fleet, in order to destroy ships, or to create panic and make the enemy break formation. Ships used as fire ships were either warships whose munitions were fully spent in battle, surplus ones which were old and worn out, or inexpensive purpose-built vessels rigged to be set afire, steered toward targets, and abandoned quickly by the crew. Explosion ships or "hellburners" were a variation on the fire ship, intended to cause damage by blowing up in proximity to enemy ships. Fireships were used to great effect by the outgunned English fleet against the Spanish Armada during the Battle of Gravelines,
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Sloop-of-war
In the 18th century and most of the 19th, a sloop-of-war in the Royal Navy was a warship with a single gun deck that carried up to eighteen guns. The rating system covered all vessels with 20 guns and above; thus, the term ''sloop-of-war'' encompassed all the unrated combat vessels, including the very small gun-brigs and cutters. In technical terms, even the more specialised bomb vessels and fireships were classed as sloops-of-war, and in practice these were employed in the sloop role when not carrying out their specialised functions. In World War I and World War II, the Royal Navy reused the term "sloop" for specialised convoy-defence vessels, including the of World War I and the highly successful of World War II, with anti-aircraft and anti-submarine capability. They performed similar duties to the American destroyer escort class ships, and also performed similar duties to the smaller corvettes of the Royal Navy. Rigging A sloop-of-war was quite different from a civilian ...
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Bomb Vessel
A bomb vessel, bomb ship, bomb ketch, or simply bomb was a type of wooden sailing naval ship. Its primary armament was not cannons ( long guns or carronades) – although bomb vessels carried a few cannons for self-defence – but mortars mounted forward near the bow and elevated to a high angle, and projecting their fire in a ballistic arc. Explosive shells (also called ''bombs'' at the time) or carcasses were employed rather than solid shot. Bomb vessels were specialized ships designed for bombarding (hence the name) fixed positions on land. In the 20th century, this naval gunfire support role was carried out by the most similar purpose-built World War I- and II-era monitors, but also battleships, cruisers, and destroyers. Development The first recorded deployment of bomb vessels by the English was for the siege of Calais in 1347 when Edward III deployed single deck ships with bombardes and other artillery. The first specialised bomb vessels were built towards the end ...
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French Corvette Etna (1795)
''Etna'' was a French naval ship-sloop launched in 1795 that the Royal Navy captured in November 1796. She was taken into service as HMS ''Aetna'' and renamed to HMS ''Cormorant'' the next year. She captured several merchant vessels and privateers before she was wrecked in 1800 off the coast of Egypt. Capture ''Etna''s first commander was ''lieutenant de vaisseau'' Coudre Lacoudrais. By the time of her capture off Barfleur, he had received a promotion to ''capitaine de frégate''. In the night of 13 to 14 November 1796, ''Etna'' departed Le Havre, and was chased in the morning by and , which she tried to distance. ''Melampus'' came within range around 15:30 ''Etna'' resisted for two hours before striking her colours as joined the battle. The ''London Gazette'' reported that on 13 November and drove a French navy corvette ashore near Barfleur. However the British were not able to get close enough to assure her destruction. Then ''Melampus'' and captured another corvette, ...
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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 sometimes without. It thus encompassed ships with up to 30 guns in all. In the first half of the 18th century the main battery guns were 6-pounders, but by mid-century these were supplanted by 9-pounders. 28-gun sixth rates were classed as frigates, those smaller as 'post ships', indicating that they were still commanded by a full ('post') captain, as opposed to sloops of 18 guns and less under commanders. Rating Sixth-rate ships typically had a crew of about 150–240 men, and measured between 450 and 550 tons. A 28-gun ship would have about 19 officers; commissioned officers would include the captain, and two lieutenants; warrant officers would include the master, ship's surgeon, and purser. The other quarterdeck officers were the c ...
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Survey Ship
A survey vessel is any type of ship or boat that is used for underwater surveys, usually to collect data for mapping or planning underwater construction or mineral extraction. It is a type of research vessel, and may be designed for the purpose, modified for the purpose or temporarily put into the service as a vessel of opportunity, and may be crewed, remotely operated, or autonomous. The size and equipment vary to suit the task and availability. Role The task of survey vessels is to map the bottom, and measure the characteristics of the benthic zone, full water column, and surface for the purpose of: * hydrography, the measurement and description of the physical features of oceans and other natural bodies of water, and the prediction of their change over time, for the primary purpose of safety of navigation and in support of other activities associated with those bodies of water, * general oceanography, the scientific study of the oceans, * mapping of marine habitats as part ...
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