OVERVIEW: The Karel Doorman JSS (Joint Support Ship) is a logistic support ship intended to provide both maritime/underway replenishment and sea basing/amphibious operations support. 

DETAILS: The Karel Doorman is a diesel-powered Multipurpose ship to support the full spectrum of naval operations, including humanitarian, disaster relief, amphibious, sealift and underway fleet support. 

The vessel has two masts (port and starboard) for Underway Replenishment (RAS).  Logistics facilities include 730m2 of ammunition storage, 1000m2 of general storage, 7700tons of maritime diesel fuel and 1000 tons of aviation fuel, 125m3 and 2350m2 vehicle cargo space. Max loading capacity is 10,600 tons. 

Cargo handling facilities include a 40-ton elevator and crane,  Ro-Ro facilities and a 100-ton ramp for vehicles and a well deck for accommodating cargo transfer via landing craft. The vessel has two LCVP's in davits.   

Aviation facilities include a hanger and 2 helicopter spots capable of handling two CH-47-size helicopters or V-22 Osprey type aircraft. The hanger has space for 2 CH-47, 6 NH-90's or 3 V-22. 

For Sea Basing and Amphibious operations, the vessel can up to 141 passengers in addition to the ship crew.  The ship has command rooms and C4I facilities for a "focused ops" CTG-level staff.  It also has a Role 2+ (advanced resuscitation and surgery, but limited) hospital facilities with 30 beds, 3 labs, 2 operating rooms, 10 medium-care and 3 ICU beds.

The sensor suite for AS/SS includes phased array radar, EO/IR and ESM, weapons include CIWS and ECM for self-protection. 


SPECIFICATIONS:
Displacement: 		27.800 tons (full)
Speed: 			18 knts max
Engineering:		 5x RR Bergen diesel generators, 2x 8900 kW Electro-			engines, 2 fixed shaft propellors, 24200 hp.
Range: 			9800 nm @ 12 kts
Endurance:		
Complement: 		Crew 120 to 171 up to 300 for marines, staff, medical, etc

NOTES: IOC: 2015.  Largest ship built for Dutch naval service. Letter of Intent allows its use by the  German Navy.  Unit is used in very close international cooperation with other NATO/EU countries. 

SOURCES: "Zr.Ms. Karel Doorman (A833) specifications." Marineschepen. Last modified 02-07-21. https://marineschepen.nl/schepen/jss.html;
"A 833 HNMLS Karel Doorman." Seaforces online. Last Modified July-2019. https://www.seaforces.org/marint/Netherlands-Navy/Amphibious-Ship/A-833-HNLMS-Karel-Doorman.htm;
"Karel Doorman Multipurpose ship (2015)." Navpedia. Last Modified 2019. https://navypedia.org/ships/netherlands/nl_ls_karel_doorman.htm;
"USMC MV-22 Osprey LAnded Aboard Royal Netherlands Navy JSS Karel Doorman." Navel Recognition. Last Modified 19-6-21. https://www.navyrecognition.com/index.php/naval-news/naval-news-archive/year-2015-news/june-2015-navy-naval-forces-defense-industry-technology-maritime-security-global-news/2830-usmc-mv-22-osprey-landed-aboard-royal-netherlands-navy-jss-karel-doorman.html; Koninklijke Marine, "HNLMS Karel Doorman A833 -Capability Brief", Last modified 15-02-2018. https://mc.nato.int/resources/site1/general/operations/osg/20180501_hnlms%20karl%20doorman%20factsheet.pdf

Author: Parel803
