F237 HMS Westminster

Royal Navy

1994 to present    

F237 HMS Westminster

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Flight Deck: WM
Call Sign: GCOK

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1991-jan-18Laid down
1995-aug-9Deploymentoff Plymouth, MS Operation Harlech ordered to Montserrat in response to further eruptions for a relief and evacuation mission. Joined by HMS Southampton on 19 Aug.
2002DeploymentSouth Atlantic Atlantic Patrol Task (South) departed UK for Atlantic Patrol Task (South) deployment. Operated around Falkland Islands between Sep 2002 and Apr 2003, relieving HMS Newcastle and herself relieved by HMS Lancaster.
2004Refittowed array sonar Type 2087 refit at HMD Rosyth to prepare for Merlin operations and undertake the first installation of the Type 2087 Sonar, rejoining the fleet on 27 Jan 2005.
2004-junAircraftassigned 824 NAS Merlin HM.1 ZH850 as /462-WM, until Oct 2004.
2004-octAircraftassigned 829 NAS Merlin HM.1 ZH850 as /462-WM, until Apr 2006.
2006-aprAircraftassigned 829 NAS Merlin HM.1 ZH857 as /415-WM, until Sep 2008.
2006-novPort Visitvisited Jeddah, Saudi Arabia during return from a 6 month Far East deployment.
2008-octAircraftassigned 829 NAS Merlin HM.1 ZH829 as /503, until Mar 2009.
2008-nov-20Port VisitTower Bridge Upper Pool of London visit to the Pool of London (tied up alongside HMS Belfast), until 24 Nov. (See picture and note the Mk.8 Mod 0 gun at A turret, prior to 2009/2010 refit).
2009-marAircraftassigned 829 NAS Merlin HM.1 ZH837 as /503, until Jul 2009.
2009-mayRefitMk.8 Mod 1 4.5 inch Entered HMD Devonport for refit until mid Mar 2010 with Babcock, to address Seawolf and its control system.
2010-julAircraftassigned 829 NAS Merlin HM.1 ZH858 as /502, until Aug 2010.
2010-augAircraftassigned 829 NAS Merlin HM.1 ZH841 as /502, until at least Jul 2011.
2011-marDeploymentdeparted from London and ordered off Libya to assist evacuation of UK nationals and support UN Security Council Resolution 1973. Relieved HMS York on station on 4 Mar.
2012-jan-23Deploymentdeparted HMNB Portsmouth for a 7 month Persian Gulf and Indian Ocean deployment, relieving HMS Somerset and due to be relieved by HMS Sutherland. She returned to Portsmouth on 13 Aug 2012 while 829 NAS 02 Flt Merlin arrived back at RNAS Culdrose on 14 Aug.
2013-mar-13Port VisitTower Bridge Upper Pool of London visit to the Pool of London (tied up alongside HMS Belfast), until 19 Mar. 815 NAS Lynx HMA.8 XZ691/462-WM ranged on deck.
2013-aug-13Deployment Cougar 13 departed HMNB Portsmouth for 7 month deployment which included participation in Ex Cougar 13. 829 NAS Merlin HM.1 /415-WM embarked. Relieved HMS Kent in Indian Ocean during Oct 2013. Was relieved in turn by HMS Somerset on station on 11 Feb 2014 and returned to HMNB Portsmouth on 27 Feb, disembarking 815 NAS 234 Flight Lynx HMA.8 to Yeovilton.
2014-sep-24Port VisitWest India Docks Thames Quay visit to Docklands for Royal Navy Reserve open day on 27 Sep and Freedom of the City of Westminster parade on Sep 28. Departed 29 Sep.
2014-novRefitHMD Portsmouth surface and low level air search radar Type 997 Type 23 Mid Life Upgrade: refit at HMD Portsmouth (15 Dock), including new Command Systems and Artisan 3D radar fit, by BAE Systems. Refloated 8 Oct 2015. Sea Wolf replaced by Sea Ceptor. Completed Jan 2017.
2017-aug-1DeploymentNorth Western Approaches Saxon Warrior 17 Exercise Saxon Warrior 17 participated in NATO exercise


    from Type 23 Duke class
3600light (tn)
4200full load (tn)
133length (m)
16.10beam (m)
5.50draught (m)
7800range (nm)
28max speed (knots)
4Naval Engine diesel - Paxman Valenta 12CM
2Naval Engine electric motors
2Naval Engine gas turbine - Rolls Royce Spey
2Naval Engine propulsion system: CODLAG
2Missile Launcher Mk 141 quad Harpoon
1Missile Launcher Sea Wolf
2Naval Gun single 30 mm
1Naval Gun Mk.8 Mod 1 4.5 inch
4Chaff and decoys Seagnat
1Chaff and decoys towed decoy Type 182
1Chaff and decoys towed decoy Type 2070 Talisman
2Naval Radar fire direction radar Type 911
1Naval Radar navigation radar Type 1007
1Naval Radar surface and low level air search radar Type 996
1Sonar towed array sonar Type 2031
1Sonar hull mounted sonar Type 2050


    Typical Max
Royal Navy AW eh.101 11
Royal Navy Westland Lynx 11
Royal Navy AW AW159 Wildcat HMA2 10

The Max option implies only aircraft of this model onboard    


Swan Hunter, Wallsend

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