HMS Herald (1824), HMS ''Herald''
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HMS Herald (1824), HMS ''Herald''
Five ships of the Royal Navy have been named HMS ''Herald'': * was an 18-gun ship sloop launched in 1806, re-classed as a 20-gun sixth rate in 1810 and 24-gun in 1817, and broken up in 1817. * was a 500-ton, 28-gun sixth-rate, launched as HMS ''Termagant'' in 1822 and renamed in 1824. She served as a survey ship under Henry Kellett and Henry Mangles Denham and was sold in 1864. * was a paddle river gunboat launched in 1890 and sold in 1903. * was a minesweeping sloop launched as in 1918, renamed in 1923 and converted to a survey ship. She was scuttled in 1942 at Seletar Seletar ( ) is an area located in the north-east of Singapore. Its name can also refer to the Seletar Planning Area (as defined by the Urban Redevelopment Authority), situated in the North-East Region of Singapore. The place name was derived fro ..., Singapore Naval Base, raised by the Japanese, renamed ''Heiyo'', and sunk by a mine on 14 November 1944. * was a hydrographic survey ship launched in 1973 ...
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Royal Navy
The Royal Navy (RN) is the naval warfare force of the United Kingdom. It is a component of His Majesty's Naval Service, and its officers hold their commissions from the King of the United Kingdom, King. Although warships were used by Kingdom of England, English and Kingdom of Scotland, Scottish kings from the early Middle Ages, medieval period, the first major maritime engagements were fought in the Hundred Years' War against Kingdom of France, France. The modern Royal Navy traces its origins to the English Navy of the early 16th century; the oldest of the British Armed Forces, UK's armed services, it is consequently known as the Senior Service. From the early 18th century until the World War II, Second World War, it was the world's most powerful navy. 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 superior ...
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Ship Sloop
During the 18th and 19th centuries, a sloop-of-war was a warship of the Royal Navy with a single gun deck that carried up to 18 guns. The rating system of the Royal Navy covered all vessels with 20 or more guns; thus, the term encompassed all unrated warships, including List of gun-brigs of the Royal Navy, gun-brigs and Cutter (boat), cutters. In technical terms, even the more specialised bomb vessels and fire ships were classed by the Royal Navy as sloops-of-war, and in practice these were employed in the role of a sloop-of-war 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 the First World War and the highly successful of the Second World War, with anti-aircraft and anti-submarine capabilities. They performed similar duties to the destroyer escorts of the United States Navy, and also performed similar duties to the smaller corvettes of the Royal ...
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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 ...
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Henry Kellett
Vice Admiral Sir Henry Kellett, (2 November 1806 – 1 March 1875) was an Irish naval officer and explorer. Career Born at Clonacody in Tipperary County, Ireland, on 2 November 1806, Kellett joined the Royal Navy in 1822. He spent three years in the West Indies and then served on survey vessels under William Fitzwilliam Owen in Africa, as second-in-command of under Edward Belcher in the East Indies, and as captain of in the First Opium War with China during which he was promoted to commander in 1841 and post-captain in 1842. In 1845 Kellett was appointed captain of the survey ship as part of a hydrography survey mission, the primary objective of which was to survey the coast of the Americas from Guayaquil to Vancouver, including the Galápagos Islands. He was temporarily reassigned in 1848 to join the search for Sir John Franklin. During this voyage he sailed through the Bering Strait across the Chukchi Sea and discovered Herald Island. Kellett landed on Herald Isla ...
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Henry Mangles Denham
Vice Admiral Sir Henry Mangles Denham (28 August 1800 – 3 July 1887) was a Royal Navy officer who went on to be Commander-in-Chief, Pacific Station. Early career Denham joined the navy in 1809. He served on between 1810 and 1814, initially under the command of Captain Martin White, engaged in survey work in the Channel Islands. He became a midshipman while serving on ''Vulture''. He continued to work on the Channel Islands survey until 1817, again under White. In 1817, White took command of the survey vessel and Denham worked under him on surveys in the English Channel and Ireland. He was promoted to lieutenant in 1822. From October 1827, he was lieutenant-commander in , surveying the coast of France. From September 1828 to March 1835, he surveyed the Bristol Channel and the ports of Liverpool and Milford. In the early 1830s, the expansion of the Port of Liverpool was being severely restricted by the silting of the channels leading to the port. The Dock Trustees asked th ...
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Gunboat
A gunboat is a naval watercraft designed for the express purpose of carrying one or more guns to bombard coastal targets, as opposed to those military craft designed for naval warfare, or for ferrying troops or supplies. History Pre-steam era In the age of sail, a gunboat was usually a small undecked vessel carrying a single smoothbore cannon in the bow, or just two or three such cannons. A gunboat could carry one or two masts or be oar-powered only, but the single-masted version of about length was most typical. Some types of gunboats carried two cannon, or else mounted a number of swivel guns on the railings. The small gunboat had advantages: if it only carried a single cannon, the boat could manoeuvre in shallow or restricted areas – such as rivers or lakes – where larger ships could sail only with difficulty. The gun that such boats carried could be quite heavy; a 32-pounder for instance. As such boats were cheap and quick to build, naval forces favoured swarm ...
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Minesweeper
A minesweeper is a small warship designed to remove or detonate naval mines. Using various mechanisms intended to counter the threat posed by naval mines, minesweepers keep waterways clear for safe shipping. History The earliest known usage of the naval mine dates to the Ming dynasty.Needham, Volume 5, Part 7, 203–205. Dedicated minesweepers, however, only appeared many centuries later during the Crimean War, when they were deployed by the British. The Crimean War minesweepers were rowboats trailing Grappling hook, grapnels to snag mines. Minesweeping technology picked up in the Russo-Japanese War, using aging torpedo boats as minesweepers. In Britain, naval leaders recognized before the outbreak of World War I that the development of sea mines was a threat to the nation's shipping and began efforts to counter the threat. Sir Arthur Wilson, 3rd Baronet, Sir Arthur Wilson noted the real threat of the time was a blockade aided by mines and not an invasion. The function of the ...
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Sloop-of-war
During the 18th and 19th centuries, a sloop-of-war was a warship of the Royal Navy with a single gun deck that carried up to 18 guns. The rating system of the Royal Navy covered all vessels with 20 or more guns; thus, the term encompassed all unrated warships, including List of gun-brigs of the Royal Navy, gun-brigs and Cutter (boat), cutters. In technical terms, even the more specialised bomb vessels and fire ships were classed by the Royal Navy as sloops-of-war, and in practice these were employed in the role of a sloop-of-war 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 the First World War and the highly successful of the Second World War, with anti-aircraft and anti-submarine capabilities. They performed similar duties to the destroyer escorts of the United States Navy, and also performed similar duties to the smaller corvettes of the Royal ...
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Seletar
Seletar ( ) is an area located in the north-east of Singapore. Its name can also refer to the Seletar Planning Area (as defined by the Urban Redevelopment Authority), situated in the North-East Region of Singapore. The place name was derived from the Malay subgroup who were indigenous to the area, the ''Orang Seletar''. It shares boundaries with the planning areas of Sengkang to the south, Punggol to the east, Yishun and Simpang to the west, as well as the Straits of Johor to the north. Formerly Royal Air Force Station Seletar Royal Air Force military airfield site, the area now houses a new S$60 million Seletar Aerospace Park that spans 140 hectares. The aerospace park houses industries specialising in aircraft maintenance and repair services. There are future plans to transform Seletar into one of the Singapore's regional centres, along with Jurong East, Tampines and Woodlands. Once the transformation is complete, Seletar will be known as the only regional centre witho ...
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Hydrography
Hydrography is the branch of applied sciences which deals with the measurement and description of the physical features of oceans, seas, coastal areas, lakes and rivers, as well as with the prediction of their change over time, for the primary purpose of safety of navigation and in support of all other marine activities, including economic development, security and defense, scientific research, and environmental protection. History The origins of hydrography lay in the making of charts to aid navigation, by individual mariners as they navigated into new waters. These were usually the private property, even closely held secrets, of individuals who used them for commercial or military advantage. As transoceanic trade and exploration increased, hydrographic surveys started to be carried out as an exercise in their own right, and the commissioning of surveys was increasingly done by governments and special hydrographic offices. National organizations, particularly navies, realize ...
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