Jacob van Heemskerck-class frigate

In the early 1970s, the Koninklijke Marine (Royal Netherlands Navy) developed what became known as the 'Standard' frigate, with anti-submarine and anti-aircraft versions using common hull designs and machinery and as far as practicable, common electronics and sensors.Gardiner and Chumbley 1995, p. 277. It was planned to order 12 anti-submarine variants (the {{sclass|Kortenaer|frigate|4}}), enough to equip two task groups (each led by a {{sclass|Tromp|frigate|0}} guided-missile frigate) to operate in the Atlantic, while a single anti-aircraft version would act as flagship for a third task group, consisting of the older {{sclass|Van Speijk|frigate|1}}s to operate in the English Channel and North Sea.Gardiner and Chumbley 1995, p. 269. In 1981, however, two Kortenaers were sold to Greece while building, and it was decided to build two anti-aircraft versions of the 'Standard' class (the 'L' class) as replacements, with the planned thirteenth 'Standard'-class frigate being abandoned.Gardiner and Chumbley 1995, pp. 269, 277.Baker 1998, p. 531.

The design's flush-decked hull, with an overall length of {{convert|130.20|m|ft}}, a beam of {{convert|14.40|m|ft}} and draught of {{convert|4.23|m|ft}}, is the same as used in the Kortenaers, as was the Combined gas and gas (COGAG) machinery, with two Rolls-Royce Tyne RM-1C cruise engines ({{convert|4900|shp|kW|disp=flip}}) and two Rolls-Royce Olympus TM-3 boost engines ({{convert|25800|shp|kW|disp=flip}}) drive the ship to a speed of {{convert|30|kn|mph km/h}}.

A Mk 13 missile launcher for the American Standard SM-1 medium-range surface-to-air missile (SAM) (with a 40-missile magazine) replaced the helicopter hangar and deck of the Kortenaers. This was supplemented by an eight round Mk 29 NATO Sea Sparrow short range SAM launcher forward, with 24 missiles carried. A Goalkeeper close-in weapon system was mounted aft, while the forward-mounted OTO Melara 76 mm gun of the Kortenaers was omitted. Launchers for eight Harpoon anti-ship missiles were positioned amidships, while anti-submarine armament consisted of four tubes for Mark 46 torpedoes.

As built, the ships were fitted with a Signaal LW-08 long-range air search radar, a DA-05 target tracking radar. Two STIR-240 director radars provided guidance for the Standard missiles, while a STIR-180 radar directed the Sea Sparrow missiles. A PHS-36 hull sonar was also fitted.Gardiner and Chumbley 1995, pp. 277–278. In the nineties the DA-05 radar was replaced by the new SMART tracking radar.

In 2018 the Chilean navy was looking at options to either replace the Jacob van Heemskerck-class frigates or modernize them.{{cite web |author=Jaime Karremann |date=13 February 2018 |title=Chili zoekt naar vervanging oude Nederlandse L-fregatten |url=https://marineschepen.nl/nieuws/Chili-zoekt-naar-vervanger-L-fregatten-130218.html |website=Marineschepen.nl |language=Dutch}} At the end of 2019 they were both taken out of service.{{cite web |author=Jaime Karremann |date=23 April 2020 |title=Chili heeft voormalige Nederlandse L-fregatten in stilte vervangen, schepen al in 2019 uit dienst gesteld |url=https://marineschepen.nl/nieuws/Chileense-marine-heeft-L-fregatten-vervangen-230420.html |website=Marineschepen.nl |language=Dutch}}

Two ships were built by Royal Schelde dockyard.Raven (1988), p. 187. The ships were named after Admirals (Jacob van Heemskerk and Witte Corneliszoon de With) as is usual practice in the Royal Netherlands Navy.

File:HNLMS Jacob Van Heemskerck F812.jpg|Jacob van Heemskerck (F812) in New York, 2004

File:Capitan Prat.jpg|Capitan Prat on the North Sea

File:Almirante_Latorre_(FFG_14),_2007.jpg|Almirante Latorre (FFG 14), 2007

• List of naval ship classes in service
• Kortenaer-class frigates - The Jacob van Heemskerck-class is based on this design, with only slight modifications.

{{Reflist}}

• {{cite book |last=van Amstel |first=W.H.E. |date=1991 |title=De schepen van de Koninklijke Marine vanaf 1945 |language=Dutch|edition= |url= |location=Alkmaar |publisher=De Alk |page= |isbn=90-6013-997-6}}
• {{cite book|last=Baker|first=A.D.|title=The Naval Institute Guide to Combat Fleets of the World 1998–1999|year=1998|publisher=Naval Institute Press|location=Annapolis, Maryland, USA|isbn=1-55750-111-4}}
• {{cite book|last1=Gardiner|first1=Robert|last2=Chumbley|first2=Stephen|title=Conway's All The World's Fighting Ships 1947–1995|year=1995|publisher=Naval Institute Press|location=Annapolis, Maryland, USA|isbn=1-55750-132-7}}
• {{cite book|last=Saunders|first=Stephen|title=Jane's Fighting Ships 2002–2003|year=2002|publisher=Jane's Information Group|location=Coulsdon, UK|isbn=0-7106-24328}}
• {{cite book |last=Schoonoord |first=D.C.L. |date=2012 |title=Pugno pro patria: de Koninklijke Marine tijdens de Koude Oorlog |language=Dutch|edition= |url= |location=Franeker |publisher=Van Wijnen |page= |isbn=978-90-5194-455-6}}
• {{cite book |editor-last=Raven |editor-first=G.J.A. |date=1988 |title=De kroon op het anker: 175 jaar Koninklijke Marine |language=Dutch|edition= |url= |location=Amsterdam |publisher=De Bataafsche Leeuw |page= |isbn=90-6707-200-1}}
• {{cite book|last=W.H.E.|first=van Amstel|title=De schepen van de Koninklijke Marine vanaf 1945|year=1991|publisher=De Alk|location=Alkmaar|isbn=9060139976}}

• {{cite book |last=Nooteboom |first=S.G. |date=2001 |title=Deugdelijke schepen: marinescheepsbouw 1945-1995 |language=Dutch|edition= |url= |location=Zaltbommel |publisher=Europese Bibliotheek |page= |isbn=90-288-2637-8}}

• [http://www.seaforces.org/marint/Netherlands-Navy/Frigate/Jacob-van-Heemskerck-class.htm Jacob van Heemskerck - class Guided Missile Frigate (L-Frigate)]
• [https://www.globalsecurity.org/military/world/europe/heemskerck.htm Jacob van Heemskerck air defence frigates]

{{Jacob van Heemskerck-class frigate|}}

{{Post1945DutchShips}}

{{Chilean frigates (Modern Era)}}

{{DEFAULTSORT:Jacob van Heemskerck class Frigate}}

Category:Frigates of the Royal Netherlands Navy

Category:Frigate classes