Formidable-class frigate: Difference between revisions

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The frigates are also equipped with the [[EDO Corporation]] active low frequency towed sonar to enable long range submarine detection and classification, as well as [[EuroTorp]] [[A244-S|A244/S Mod 3]] lightweight torpedoes fired from two B515 triple-tube launchers hidden behind the bulwark.

The frigates are equipped with [[Sikorsky S-70]]B naval helicopters, an international derivative of the [[United States Navy]] [[Sikorsky SH-60B Seahawk]]. The Ministry of Defence signed a contract with [[Sikorsky Aircraft Corporation]] in January 2005 to acquire six of these helicopters, which will be organic to the frigates.<ref>{{cite web|title=Republic of Singapore Navy Acquires Six New Naval Helicopters|work=Sikorsky Corporation|url=http://www.sikorsky.com/vgn-ext-templating-SIK/v/index.jsp?vgnextoid=00de6eb78fa78110VgnVCM1000001382000aRCRD&vgnextchannel=96d99a93bc298110VgnVCM1000001382000aRCRD&vgnextfmt=default&pressvcmid=9fbda96c2e289110VgnVCM1000001382000aRCRD&keyword=Singapore&dateFrom=null&dateTo=null&model=null&business=null&matchCriteria=null&matchKeyword=any&fromSearchPage=true&businessIndex=null&=modelIndex=null#|access-date=2010-11-22|archive-date=2926 AugustMay 20122024|archive-url=https://archive.today/20240526050253/https://www.webcitation.org/6AGcVc4vF?url=http://www.sikorsky.com/vgn-ext-templating-SIK/v/index.jsp?vgnextoid%3Fvgnextoid=00de6eb78fa78110VgnVCM1000001382000aRCRD|url-status=dead}}</ref> Each of these naval helicopters are equipped with a [http://www.telephonics.com/ Telephonics] [[List of radars#AN/APS Series|AN/APS-143 ''Ocean Eye'']] [[X-band]] maritime surveillance and tracking radar,<ref name="APS">{{Cite web |url=http://www.designation-systems.net/usmilav/jetds/an-apr2aps.html |title=Designation-Systems.net: AN/APR to AN/APS - Equipment Listing |access-date=3 May 2010 |archive-date=12 June 2010 |archive-url=https://web.archive.org/web/20100612031233/http://designation-systems.net/usmilav/jetds/an-apr2aps.html |url-status=live }}</ref> a [[L-3 Communications]] Helicopter Long Range Active Sonar ([[HELRAS]]) dipping sonar, EuroTorp A244/S Mod 3 torpedoes and a [[Raytheon]] AAS-44 electro-optic system to provide infrared detection and tracking.<ref>{{cite journal|last=Moss|first=Trefor|date=March 2010|title=Helicopters return to Singapore following integration training|journal=Jane's Navy International}}</ref> The naval helicopters will be raised as a squadron in the Republic of Singapore Air Force and piloted by air force pilots, but the system operators will be from the Navy.

==Ships in class==