The Algerine-class minesweeper was a large group of minesweepers built for the Royal Navy (RN) and the Royal Canadian Navy (RCN) during the Second World War. 110 ships of the class were launched between 1942 and 1944.
The Ton class were coastal minesweepers built in the 1950s for the Royal Navy, but also used by other navies such as the South African Navy and the Royal Australian Navy. They were intended to meet the threat of seabed mines laid in shallow coastal waters, rivers, ports and harbours, a task for which the existing ocean-going minesweepers of the Algerine-class were not suited.
HMS Bassingham was one of 93 ships of the Ham class of inshore minesweepers, of which HMS Inglesham was the first. Their names were all chosen from villages ending in -ham. The minesweeper was named after Bassingham in Lincolnshire. She was built by Vospers Ltd. of Portsmouth, which later became Vosper-Thorneycroft and was commissioned in October 1953. She displaced 164 tons fully laden and was armed with one 40 mm Bofors gun.
The Ham class was a class of inshore minesweepers (IMS), known as the Type 1, of the British Royal Navy. The class was designed to operate in the shallow water of rivers and estuaries. All of the ships in the class are named for British place names that end with -"ham". The parent firm that was responsible for supervising construction was Samuel White of Cowes, Isle of Wight.
HMS Altham was one of 93 ships of the Ham class of inshore minesweepers.
HMS Asheldham was one of 93 ships of the Ham class of inshore minesweepers.
HMS Bodenham was one of 93 ships of the Ham-class of inshore minesweepers. Completed in 1953 for use in the British Royal Navy, she served as a tender to HMS Vernon between 1954 and 1955 before being placed in reserve. In 1967 she was transferred to the newly-independent country of South Yemen renamed Al Saqr. She was renamed Jihla in 1975 and discarded in 1984.
HMS Dittisham was one of 93 ships of the Ham-class of inshore minesweepers built for the British Royal Navy. Their names were all chosen from villages ending in -ham. The minesweeper was named after Dittisham in Devon.
HMS Mersham was a Ham-class minesweeper of the Royal Navy. All ships of the class were named after villages ending in -ham. The minesweeper was named after Mersham in Kent. Constructed at Appledore, in Devon, Mersham was launched in April 1954 and completed in January 1955. In April 1955, the ship was transferred to the French Navy and in French service, was known by its pennant number, M773, until it was renamed Violette in 1964. Throughout the 1950s and early 1960s, the vessel undertook minesweeping duties from Brest in Brittany, before being laid up in 1965. In 1974, the ship was transferred to the Gendarmerie and undertook patrol duties until finally being decommissioned in 1987.
HMS Puttenham(M2784) was a Ham-class inshore minesweeper of the Royal Navy. She was launched in 1956 and entered service in 1958. The 93 ships of the Ham class had names chosen from villages ending in -ham. The minesweeper was named after Puttenham.
The British Royal Navy operated large numbers of small Motor Minesweepers (MMS) during the Second World War, in two major classes: the first with 105 ft (32 m) hulls and the second with 126 ft (38 m) hulls. Intended to counter magnetic influence mines in coastal waters, they had wooden hulls.
The Kuha-class minesweepers is a series of six inshore minesweepers of the Finnish Navy. The ships were constructed in 1974–1975. All the vessels of the class were modified and modernized in the late 1990s, including a lengthening of the hull. Two of the class were withdrawn from service in 2012. The rest of the class will be retired with the entry into service of the Katanpää-class mine countermeasure vessels.
HMS Brereton (M1113) was a Ton-class minesweeper of the Royal Navy. Brereton was built by the Lowestoft shipbuilder Richard Ironworks, and was launched in 1953 and entered service in 1954.
HMCS Medicine Hat was a Bangor-class minesweeper that served with the Royal Canadian Navy during the Second World War. Entering service in 1941, the minesweeper was primarily used as a convoy escort in the Battle of the Atlantic and the Battle of the St. Lawrence. Following the war the vessel was laid up until reacquired during the Korean War. Never re-entering service with the Royal Canadian Navy, Medicine Hat was sold to the Turkish Navy in 1957. Renamed Biga, the minesweeper was discarded in 1963.
HMCS Swift Current was a Bangor-class minesweeper that served with the Royal Canadian Navy during the Second World War. Entering service in 1941, the warship used as a training ship and convoy escort and took part in the battles of the St. Lawrence and the Atlantic. Following the war the ship was laid up until reacquired during the Korean War. Never re-entering service with Canada, Swift Current was sold to the Turkish Navy in 1958. Renamed Bozcaada, the minesweeper was discarded in 1971.
HMCS Port Hope was a Bangor-class minesweeper that served with the Royal Canadian Navy during the Second World War. The minesweeper entered service in 1942 and for the majority of the war, served as a patrol and escort ship along the coasts of Atlantic Canada and Newfoundland, participating in the Battle of the St. Lawrence. Following the war the vessel was laid up until reacquired by the Royal Canadian Navy during the Korean War. Port Hope never re-entered service and was sold for scrap and broken up in 1959.
HMCS Westmount was a Bangor-class minesweeper that served with the Royal Canadian Navy during the Second World War. Entering service in 1942, the minesweeper spent the entire war on the Atlantic Canada coast. Following the war, the ship was laid up in reserve until reacquired in 1952 during the Korean War. Never re-entering service with the Royal Canadian Navy, the vessel was sold to the Turkish Navy in 1958. Renamed Bornova, the minesweeper was discarded in 1972.
The Llewellyn-class minesweepers were a series of ten coastal minesweepers constructed for the Royal Canadian Navy during the Second World War. Based on the Admiralty type MMS-class minesweeper, the Llewellyn class were constructed of wood and used for the removal of magnetic influence mines. Two were built in Quebec, with the eight constructed on the Western Coast of Canada. Mostly used as guard ships during the war, only three of the ten remained in Royal Canadian Navy service following the war, with the last being discarded in 1957. Following naval service, vessels of the class ended up in commercial service, with some becoming fishing vessels, cargo ships and one a floating restaurant. Six of the ten ships were lost in commercial service.
HMS Aveley was a Ley-class inshore minehunter of the Royal Navy. Aveley was built by J. Samuel White at their Cowes, Isle of Wight shipyard, being launched in 1953 and completing the next year. She remained in Royal Navy service until 1982, spending several years laid up in reserve, and from 1963 to 1980 was used for training at Portsmouth. In 1983, the ship was sold to the Woolwich Sea Cadets and renamed TS Woolwich. Woolwich was scrapped from November 1986.
Royal Navy