Draft:Krake-class mine warfare vessel: Difference between revisions
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 HMS Quorn in 2001
| |
| Class overview | |
|---|---|
| Name | Krake class |
| Builders | Peene-Werft |
| Operators |  Volksmarine |
| Built | 1953–1958 |
| In service | 1957–1976 |
| Completed | 10 |
| Active | 0 |
| Retired | 10 |
| General characteristics | |
| Type | Mine warfare vessel |
| Displacement | 750 t (740 long tons; 830 short tons)[1] |
| Length | 60 m (196 ft 10 in) |
| Beam | 9.8 m (32 ft 2 in) |
| Draught | 2.2 m (7 ft 3 in) |
| Propulsion |
|
| Speed | 17 kn (31 km/h; 20 mph) |
| Complement | 45 (6 officers & 39 ratings) |
| Sensors and processing systems | |
| Electronic warfare & decoys |
|
| Armament |
|
The Krake class was a class of ten mine warfare vessels of the Volksmarine. Built between 1953 and 1958, they served in both minelaying and mine clearance roles until 1973, when seven of the ships were decommissioned and scrapped, with the three remaining ships serving in a training role until 1976.
Development
Upon introduction in the early 1980s they were the largest warships ever built out of glass-reinforced plastic[5] and were the last in operation to use the Napier Deltic diesel engine. All were built by Vosper Thornycroft in Woolston except Cottesmore and Middleton, which were built by Yarrow Shipbuilders Limited on the River Clyde. Quorn was the last ship of the class launched.
Following the sale of Bicester and Berkeley to the Greek Navy, the sale of Cottesmore and Dulverton to the Lithuanian Navy and the decommissioning of Brecon, 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 1,000 metres (1,100 yd).[6] 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.[7] It was subsequently indicated that the withdrawal would occur in the 2029 to 2031 period.[8]
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.[9][10]
Ships in the class
All 13 ships of this class re-used names from the World War II Hunt-class destroyer. Four of the names had also been used for World War I Hunt-class minesweepers: these were HMS Bicester, Cattistock, Cottesmore and Quorn. HMS Atherstone had been a paddlewheel minesweeper in 1916, and Brocklesby was a coaster taken up from trade in 1916.[citation needed]
| Navy | Name | Pennant number | Builder | Launched | Commissioned | Status |
|---|---|---|---|---|---|---|
| Template:Volksmarine | Berlin | ??? | Peene-Werft | 1957 | ??? | Decommissioned and scrapped |
| Leipzig | ??? | Peene-Werft | 1957 | ??? | Decommissioned and scrapped | |
| Dresden | ??? | Peene-Werft | 1957 | ??? | Decommissioned and scrapped | |
| Karl-Marx-Stadt | ??? | Peene-Werft | 1957 | ??? | Decommissioned and scrapped | |
| Halle | ??? | Peene-Werft | 1957 | ??? | Decommissioned and scrapped | |
| Magdeburg | ??? | Peene-Werft | 1958 | ??? | Decommissioned and scrapped | |
| Erburg | ??? | Peene-Werft | 1958 | ??? | Decommissioned and scrapped | |
| Rostock | ??? | Peene-Werft | 1958 | ??? | Decommissioned and scrapped | |
| Potsdam | ??? | Peene-Werft | 1958 | ??? | Decommissioned and scrapped | |
| Gera | ??? | Peene-Werft | 1958 | ??? | Decommissioned and scrapped |
See also
References
- ^ "Hunt Class Mine Countermeasures Vessels - Specifications". GlobalSecurity.org. 11 July 2011. Retrieved 13 March 2019.
- ^ "New navigation radar system for Royal Navy". GOV.UK. 28 January 2016. Retrieved 4 August 2016.
- ^ "The all-rounder – the 30mm Automated Small Calibre Gun in focus". Navy Lookout. 13 January 2021. Retrieved 29 March 2023.
- ^ "In focus: the 50 cal heavy machine gun in Royal Navy service". Navy Lookout. 5 May 2023. Retrieved 5 May 2023.
- ^ Conway's All The World's Fighting Ships. Annapolis: US Naval Institute Press. 1996. p. 542. ISBN 1-55750-132-7.
- ^ "The Royal Navy's most advanced minehunting sonar has entered service". Thales Group. 26 March 2004. Archived from the original on 15 March 2007. Retrieved 4 August 2016.
- ^ "Unmanned Systems Set to Replace All Royal Navy Mine Warfare Vessels". The Maritime Executive. 24 March 2021. Archived from the original on 24 March 2021. Retrieved 8 April 2021.
- ^ "Minesweepers out of service dates revealed". 6 September 2021.
- ^ Scott, Richard (13 November 2023). "RN takes delivery of REMUS 300 SAUVs". Janes.
- ^ "REMUS 300 Unmanned Underwater Vehicle (UUV)". Naval Technology. 21 March 2023.