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HNLMS Karel Doorman (A833)
JSS Karel Doorman in Den Helder.jpg
In Den Helder, July 2014
Class overview
Name: Karel Doorman class
Operators:  Royal Netherlands Navy
Preceded by: HNLMS Zuiderkruis, HNLMS Amsterdam
Cost: 363 million euro (480 million USD)
Built: 2011–2014
Building: 0
Planned: 1
Completed: 1
Career (Netherlands)
Name: Karel Doorman
Namesake: Karel Doorman
Builder: Damen Shipyards Galați, Romania
Damen Schelde Naval Shipbuilding, Netherlands (fitting out)
Laid down: 7 June 2011
Launched: 17 October 2012
Commissioned: 24 April 2015
General characteristics
Type: Joint Logistic Support Ship
Displacement: 27,800 long tons (28,246 t) full load
Length: 204.7 m (671 ft 7 in)
Beam: 30.4 m (99 ft 9 in)
Draught: 7.8 m (25 ft 7 in)


  • 4 x Diesel generators 5.5 MW
  • 1 x Diesel generator 2.8 MW
  • 2 x FPP propellers
  • 2 x Bow thruster, 1.25 MW
  • 1 x Stern thruster, 0.75 MW
Speed: 18 knots (21 mph; 33 km/h)
Range: 9,800 nmi (18,100 km) at 12 kn (22 km/h)
Complement: 150 crew, 150 Non-enlisted persons (Helicopter-crews, medical teams)
Sensors and
processing systems:

Thales Nederland Integrated Mast

  • Thales SeaMaster 400 SMILE Air Warning radar
  • Thales SeaWatcher 100 SeaStar Surface detection radar
  • Thales Gatekeeper electro-optical surveillance system
  • Thales SCOUT Mk 3 low probability of intercept shipborne surveillance radar


Boats and landing craft:

Aircraft carried:
  • Up to 6 x NH90 with blades folded or 2 x CH-47 Chinook with blades spread.
  • Aviation facilities: Two-spot helideck and hangar for up to 6 medium helicopters

    HNLMS Karel Doorman (Dutch language: Zr.Ms. Karel Doorman ) is a multi-function support ship for amphibious operations of the Royal Netherlands Navy.[1] The ship replaced both of the navy's replenishment oilers: HNLMS Zuiderkruis (scrapped in February 2014) and HNLMS Amsterdam (sold to Peru in December 2014).[2] At 204.7 metres (672 ft) she is the largest ship in service in the Netherlands navy. She was built at the Damen yard in Galati, Romania. On 16 August 2013 the ship arrived in Vlissingen, The Netherlands where final outfitting and installation of the weapon systems took place. In September, 2013, it was announced that as part of a series of Dutch defense budget cuts, the vessel wouldn't enter military service,[1][3] but this decision was reversed by the Dutch government. The vessel cost 400 million Euros.[1]

    Characteristics[edit | edit source]

    Last section being placed

    Construction of bow

    Construction of stern

    For maritime support the ship will have two Replenishment-At-Sea masts, the holding capacity of approx 8000 m3 of fuel, more than 1000 m3 of helicopter fuel, approx 450 m3 of potable water and approx 400 tonnes of ammunition and other supplies.

    The JLSS has 2,000 lane metres for transport of material such as tracked & wheeled vehicles or containers. She has an elevator and crane for up to 40 tons, a roll on/roll off facility for vehicles, and a steel beach stern construction for accommodating cargo transfer via landing craft. The ship is equipped with two LCVP's landing craft.

    For sea-basing operations she will have large helicopter deck with landing spots for operating two Chinooks simultaneously, and a hangar with a storage capacity of up to 6 medium sized helicopters, including NH-90, CH-47F and AH-64D Apache.

    The ship can accommodate up to 300 personnel, of which 159 are the ship's crew. She also has command rooms for war staffs and a large hospital facility with 20 treatment areas, and two surgery rooms. Modular flexibility allows configuration of temporary areas for evacuees or prisoners.

    Positioned off shore, the ship is designed to act as a Sea Based Operations Platform supporting (amphibious) land forces with logistic support providing supplies and helicopter support (transport and attack).

    Armament[edit | edit source]

    The armament of the JLSS is heavier than that of the LPDs and replenishment ships, but is still primarily for self-defence. In high-risk operations the ship will require additional protection from frigates or destroyers.

    Two Goalkeeper CIWS systems protect the ship against incoming missiles and aircraft at short range, while two Oto Melara Marlin WS 30mm rapid cannons provide force-protection against small surface targets such as high speed boats. The ship is also equipped with 4 Oto Melara Hitrole NT 12.7mm guns. The same weaponry has been chosen for the Holland-class offshore patrol vessels. All weapon systems of the JLSS are remote-controlled from the operations and command room.

    Sensor suite[edit | edit source]

    Karel Doorman has the same sensor suite as the Holland-class offshore patrol vessels. All sensor systems are housed in an integrated mast, provided by Thales Nederland, called the I-Mast 400, comprising a SeaMaster 400 SMILE air warning radar, a SeaWatcher 100 active phased-array surface detection and tracking radar and the GateKeeper infra-red/electro-optical (EO) warning system. With these systems the ship is able to monitor 140 nm using an Integrated Sensor and Communication Systems (ISCS), also by Thales Nederland.

    Pennant number Ship Laid down Launched Commissioned
    A833 Karel Doorman 7 June 2011 17 October 2012 29 April 2015[4][5]

    Service history[edit | edit source]

    2014[edit | edit source]

    Even though Karel Doorman had just finished sea trials and had not yet been commissioned, on 6 November she was sent on a three-month deployment to West Africa to deliver aid to Ebola-struck countries. She was loaded with different goods in 91 containers and 155 vehicles, including ambulances. On 18 November the ship arrived in Freetown, Sierra Leone for her first offload. After her third offload in Liberia and the replenishment of RFA Argus the ship returned to the Netherlands to pick up another load.

    2015[edit | edit source]

    On 24 April 2015 JLSS Karel Doorman was formally commissioned and hence forward HNLMS Karel Doorman, pennant A833. Seen on 25 May on the St. Lawrence River, in front of Baie-St-Paul (QC), Canada, navigating upstream. She also stopped at the Montreal Old Port on 26 May 2015. At 10am on June 17, 2015, she docked at Phillipsburg in St. Maarten. On 19 June 2015 at 12pm, she docked at Oranjestad in Aruba.

    See also[edit | edit source]

    References[edit | edit source]

    1. 1.0 1.1 1.2 "The Netherlands abandons its Joint Logistics Support Ship Project". Canadian American Strategic Review. September 2013. http://casr.ca/doc-news-dutch-sell-off-jss.htm. Retrieved 2013-09-12. "In a surprise move, the Defence Department of the Netherlands ( Defensie ) has announced the selling-off of their semi-completed logistics support ship, Karel Doorman." 
    2. "Parlement geïnformeerd over verwerving ondersteuningsschip | Ministerie van Defensie" (in Dutch). Ministry of Defence (Netherlands). 2009-11-04. http://www.defensie.nl/actueel/nieuws/2009/11/04/46138774/Parlement_geinformeerd_over_verwerving_ondersteuningsschip. Retrieved 2013-10-25. 
    3. "Nouvelles coupes pour les forces néerlandaises : le JSS Karel Doorman vendu et un bataillon dissous" (in French). New cuts for Dutch forces: JSS Karel Doorman sold and dissolved battalion. Défense et Sécurité Internationale. 2013-09-09. http://www.dsi-presse.com/?p=6103. Retrieved 2013-09-12. 
    4. "Damen-built Joint Support Ship Karel Doorman commissioned for the Royal Netherlands Navy". March 24, 2014. http://navyrecognition.com/index.php/news/defence-news/year-2014-news/march-2014-navy-naval-forces-maritime-industry-technology-security-global-news/1668-damen-built-joint-support-ship-karel-doorman-commissioned-for-the-royal-netherlands-navy.html. 
    5. "Joint Logistic Support Ship Karel Doorman Commissioned Into Royal Netherlands Navy". April 29, 2014. http://www.navyrecognition.com/index.php/news/defence-news/year-2015-news/april-2015-navy-naval-forces-defense-industry-technology-maritime-security-global-news/2663-joint-logistic-support-ship-karel-doorman-commissioned-into-royal-netherlands-navy.html. 

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