Landsort-class mine countermeasures vessel
| {{Infobox ship begin}}
{{Infobox ship image |Ship image=Republic of Singapore Navy mine countermeasures vessels RSS Katong (M107) and RSS Bedok (M105) at Changi Naval Base, Singapore - 20070527.jpg |Ship caption=Bedok class MCMVs berthed at Changi Naval Base during the Navy Open House 2007 }} {{Infobox ship class overview |Name=Landsort |Builders= |Operators=*{{navy|Sweden}}
|Class before= |Class after= |Subclasses=*{{sclass|Bedok|mine countermeasures vessel|4}}
|Cost= |Built range= |In service range= |In commission range= |Total ships building= |Total ships planned= |Total ships completed=11 |Total ships cancelled= |Total ships active= |Total ships laid up= |Total ships lost= |Total ships retired= |Total ships preserved= }} {{Infobox ship characteristics |Hide header= |Header caption= |Ship class= |Ship type=mine countermeasures vessel |Ship tonnage= |Ship displacement=*270 tonnes (standard)
|Ship length={{convert|47.5|m|ft|abbr=on}} |Ship beam={{convert|9.6|m|ft|abbr=on}} |Ship height= |Ship draught={{convert|2.3|m|ft|abbr=on}} |Ship draft= |Ship depth= |Ship hold depth= |Ship decks= |Ship deck clearance= |Ship ramps= |Ship ice class= |Ship power=Two 225 kVA, one 135 kVA |Ship propulsion=Four Saab Scania DSI 14 diesel engines, coupled to two Voith Schneider Propellers |Ship sail plan= |Ship speed={{convert|15|kn|km/h|0}} |Ship range={{convert|2000|nmi|km |
| 3}} at {{convert|12|kn|km/h|0}}
|Ship endurance= |Ship test depth= |Ship boats= |Ship capacity= |Ship troops= |Ship complement= |Ship crew= |Ship time to activate= |Ship sensors=*Navigation radar: Terma Electronic I-band navigation radar
|Ship EW=*ESM: Thales Matilda radar warning system
|Ship armament=*Gun: 40 mm lvakan M/48
|Ship armour= |Ship armor= |Ship aircraft= |Ship aircraft facilities= |Ship notes=*Ships in class include: Sweden: HMS Landsort (M71), HMS Arholma (M72), HMS Koster (M73), HMS Kullen (M74), HMS Vinga (M75), HMS Ven (M76), HMS Ulvön (M77)
}} |
The Landsort class mine countermeasures vessel were built by Swedish shipbuilding company, Kockums (formerly Karlskronavarvet) for the Swedish Navy and the Republic of Singapore Navy (RSN) between 1983 and 1996.
Design
As a mine countermeasure vessel, the hull is made out of glass-reinforced plastic in order to lower acoustic and magnetic signatures, as well as provide improved shock resistance to underwater explosions.
The Landsort class is equipped for mine sweeping with both conventional mechanical sweeping gear as well as electric and acoustic sweep systems. Mine hunting capability is provided by remotely operated vehicles (ROVs) from Saab Underwater Systems, such as the Double Eagle.
=''Bedok'' Class=
{{Main|Bedok-class mine countermeasures vessel}}
The {{sclass|Bedok|mine countermeasures vessel|4}} of the Republic of Singapore Navy is configured with the Thomson-CSF TSM 2061 Mk II mine hunting and mine disposal system, Thomson-CSF TSM 2022 hull-mounted high frequency sonar, two ECA PAP 104 Mk 5 ROVs, Signaal WM20 director, Norcontrol DB2000 navigation radar and Racal Precision Navigation System.{{cite book | author=Stephen Saunders | title=Jane's Fighting Ships, 2005-06 | publisher=Jane's Information Group | year=2005 | isbn=0-7106-2692-4}}
The vessels of the Bedok-class form the 194 Squadron of the RSN, under the Coastal Command.
=''Koster'' Class=
{{Main|Koster-class mine countermeasures vessel}}
File:HMS Ulvön - Ystad-2025.jpg March 3, 2025.]]
In December 2004, the Swedish Navy awarded Kockums a contract for the mid-life upgrade for five of the Landsort class (excluding HMS Landsort and HMS Arholma). The upgrade includes a new mine countermeasures (MCM) system, adaptations for international operations as well as a new air defence systems involving moving and modification of the Arte 726 from the Kaparen class fast patrol boats.{{cite web | title=Midlife upgrade of Landsort class MCM vessels | work=Royal Swedish Navy | url=http://www.4sjostridsflj.mil.se/article.php?id=5368 | access-date=2008-04-18 }}{{dead link|date=October 2017 |bot=InternetArchiveBot |fix-attempted=yes }} The first is expected to be completed in 2008. The upgraded vessels will be renamed as the Koster class, as the first vessel to be upgraded is HMS Koster (formerly the third ship in the Landsort class).{{cite web | title=42. MCM Squadron | work=Royal Swedish Navy | url=http://www.4sjostridsflj.mil.se/article.php?id=15397 | access-date=2008-04-18 }}{{dead link|date=October 2017 |bot=InternetArchiveBot |fix-attempted=yes }}
On 31 January 2005 a contract exceeding €30 million was awarded to Atlas Elektronik for the upgrade of these five vessels with the Atlas Integrated MCM Systems (IMCMS-S). The systems will be commissioned into operational service between 2008 and 2009.{{cite web | title=Royal Swedish Navy Procures Atlas Minehunting Systems | work=Atlas Elektronik | url=http://www.atlas-elektronik.com/fileadmin/Objekte/pdf/public_relations/press_releases/newsletter/NL_01_2007.pdf | access-date=2008-04-18}} {{Dead link|date=October 2010|bot=H3llBot}}{{cite web | title=BAE Systems Investor Brief - February 2005 | work=BAE Systems | url=http://ir.baesystems.com/investors/shareholder/comms/2005comms/2005-03-01/#ig1 | access-date=2008-04-18 }}{{dead link|date=December 2017 |bot=InternetArchiveBot |fix-attempted=yes }} The system combines minehunting, minesweeping, mine disposal, surveillance and communication with other naval forces. It comprises an Atlas MCM Tactical Command and Control system, a broadband Atlas HMS-12M hull-mounted sonar and an Atlas mine identification and disposal system (MIDS) Seafox. The IMCMS-S onboard also fully integrates sensors and effectors like the self-propelled variable depth sonar, underwater positioning system, navigation radar and sensors, conventional MIDS systems, and air defence system.{{cite journal |date=July 2007 | title=IMCMS (Germany), Mine Warfare - Mine Warfare Combat Management | journal=Jane's Underwater Warfare Systems }}
The vessels are also upgraded to have Link 16 capability.{{cite web | title=Technical Specification for the Link 16 Stand Alone System | work=Swedish Defence Materiel Administration (FMV) | url=http://www.fmv.se/upload/Bilder%20och%20dokument/Upphandling/Kaama/290736-AI688242.pdf | archive-url=https://web.archive.org/web/20110613013521/http://www.fmv.se/upload/Bilder%20och%20dokument/Upphandling/Kaama/290736-AI688242.pdf | url-status=dead | archive-date=2011-06-13 | access-date=2008-04-18 }}
See also
References
{{Reflist|2}}
External links
- [http://www.kockums.se/SurfaceVessels/landsort.html Kockums - Landsort Class]
- [http://www.naval-technology.com/projects/landsort/ Naval Technology - Landsort Class MCMV]
- [http://www.minsveparen.se/ Historical Swedish minsweeper M 20]
{{Kockums Naval Solutions}}
{{ActiveSwedishNavyClasses}}
{{Authority control}}
Category:Mine warfare vessel classes