Hunt-class mine countermeasures vessel

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File:HMS Brocklesby deployed on Op KIPION MOD 45167666.jpg

Stern view of HMS Brocklesby off Bahrain in 2021

The Hunt class is a class of thirteen mine countermeasure vessels of the Royal Navy. As built, they combined the separate roles of the traditional minesweeper and that of the active minehunter in one hull, but later modifications saw the removal of mine-sweeping equipment. They have a secondary role as offshore patrol vessels.

Development

Upon introduction in the early 1980s they were the largest warships ever built out of glass-reinforced plastic and were the last in operation to use the Napier Deltic diesel engine. All were built by Vosper Thornycroft in Woolston except and , which were built by Yarrow Shipbuilders Limited on the River Clyde. was the last ship of the class launched.

Following the sale of and to the Greek Navy, the sale of and to the Lithuanian Navy and the decommissioning of , a contract to re-engine the remaining eight vessels was signed by BAE Systems in 2008, whereby the existing 30-year old Napier Deltic 9-59K power units were replaced by Caterpillar CAT C32 engines, together with new gearboxes, bow thrusters, propellers and control systems, in a six-year refurbishment programme that was completed in 2018.

The capabilities of the remaining eight vessels of the Hunt class have been significantly enhanced by the installation of Sonar Type 2193 and the NAUTIS 3 command system. The performance of Sonar 2193 exceeds that of any other mine hunting sonar in service in the world today and is capable of detecting and classifying an object the size of a football at a distance of up to . In late 2007 Chiddingfold used the Seafox drone, the Royal Navy's mine disposal system, during Exercise Neptune Warrior off Scotland. Seafox is described by the MOD as a "state of the art fire and forget system, capable of destroying mines in depths of up to 300 metres".

The 2021 defence white paper announced that all the Hunt-class vessels would be retired from Royal Navy service in the 2020s and replaced by automated systems. It was subsequently indicated that the withdrawal would occur in the 2029 to 2031 period.

In 2023, the navy began to take delivery of six REMUS 300 small autonomous underwater vehicles (SAUVs), produced by Huntington Ingalls Industries. The system is being acquired to enhance the capabilities of the Hunt-class ships and has a reported operating depth of 300 meters with an endurance time of up to 20 hours.

Ships in the class

All 13 ships of this class re-used names from the World War II . Four of the names had also been used for World War I s: these were HMS Bicester, Cattistock, Cottesmore and Quorn. had been a paddlewheel minesweeper in 1916, and was a coaster taken up from trade in 1916.

Navy	Name	Pennant number	Builder	Launched	Commissioned	Decommissioned	Status
Template:Navy/core		M29	Vosper Thornycroft	1978	1979	2005	Decommissioned, now a static training ship at since 2008
		M30	Vosper Thornycroft	1979	1981	In active service
		M31	Vosper Thornycroft	1981	1982	In active service
		M33	Vosper Thornycroft	1982	1983	In active service
		M34	Yarrow Shipbuilders	1983	1984	In active service
		M37	Vosper Thornycroft	1983	1984	Extended readiness (uncrewed reserve)	Used as source for spare parts for sister ships
		M38	Vosper Thornycroft	1986	1986	2017	Decommissioned 14 December 2017
		M39	Vosper Thornycroft	1984	1985	In active service
Template:Navy/core	HS Europa	M62	Vosper Thornycroft	1985	1988 / 2001	2000 / In active service	Former
	HS Kallisto	M63	Vosper Thornycroft	1986	1988 / 2001	2001 / 2020	Former , cut in two in a collision with a container ship on 27 October 2020.
Template:Naval	Skalvis	M53	Yarrow Shipbuilders	1982	1983 / 2011	2005 / In active service	Former
	Kuršis	M54	Vosper Thornycroft	1982	1983 / 2011	2004 / In active service	Former
		M41	Vosper Thornycroft	1988	1989 / ?	2017	Decommissioned 14 December 2017. Sold to Lithuania in 2020. Undergoing modernization to enter LNF in 2025.

See also

• Sandown-class minehunter