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Kortenaer-class Frigate

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The Kortenaer-class was a class of frigates of the Royal Netherlands Navy. They were built to be a general purpose frigate; able to combat all surface, submarine and aircraft targets. Like some of the other frigates of the 1970s and 1980s, they featured a COGOG (combined gas or gas) propulsion system. Ten were built by de Schelde in Vlissingen and two by Wilton-Fijenoord in Schiedam between 1978 and 1982. Only 10 served with the Royal Netherlands Navy: two were sold to Greece while still under construction and replaced by two Jacob van Heemskerck-class frigates which are basically an AAW variant of the Kortenaer class. The Greek frigates were renamed the Elli-class.

Eight similar ships were built by Germany during the same period in the Bremen-class.

By 2003 all ships were transferred to the navies of Greece and the United Arab Emirates.

In Dutch service the frigates were armed with a Goalkeeper CIWS on top of the helicopter-hangar. In Greek service the Goalkeepers were replaced with Phalanx CIWS due to high maintenance costs.

Both ships of the United Arab Emirates, the Al Emirat and the Abu Dhabi are being converted into a super luxury Giga yachts known as Swift 141 (launched as Yas) and Swift 135.

Two ships, the Elli and the Limnos, were built for the Greek Navy in 1981, they are referred to as the Elli-class frigates by the Hellenic Navy and have different equipment and weapons from the Dutch ships.

The Imperial Iranian Navy ordered eight modified ships from Royal Schelde but the contract was canceled after the Iranian revolution.


Specifications[edit]

  • Type: General Purpose Frigate
  • Service Period: 1978-2003
  • Charactersistics:
    • Length: 428 feet 2 inches (130.51 meters)
    • Beam: 47 feet 11 inches (14.61 meters)
    • Draft: 14 feet 2 inches (4.32 meters)
    • Displacement: 3,500 tons (Standard); 3,800 tons (Full Load)
  • Crew: 176-186
  • Propulsion:
    • Combined gas or gas (COGOG) system:
    • 2 x Rolls Royce Tyne RM1C gas turbines, 10,000 shp (7,500 kW)
    • 2 x Rolls Royce Olympus TM3B gas turbines, 51,400 shp (38,550 kW)
    • 2 x shafts
  • Range: 4,500 nautical miles (8,334 kilometers) at 18 knots (33.34 km/h)
  • Speed: 30 knots (55.56 km/h)
  • Sensor Suite:
    • LW-08 L-Band Air Search Radar - replaced by SMART-S
    • ZW-06 X-Band Surface Search/Navigation Radar - replaced by SMART-S
    • WM-25 Fire Control Radar
    • STIR Fire Control Radar
    • SQS-505/SQS-509 Hull Sonar
    • AN/SQR-18A Towed Array Sonar
  • Countermeasures:
    • Sphinx ECM Suite - replaced by Ramses Radar Jammer
    • Mk.36 SBROC 6-barreled decoy launcher x 2
  • Armament
    • 1 x 76mm/62-caliber OTO-Melara Compact naval gun
    • 2 x Mk.141 Harpoon AShM Launchers
    • 1 x Mk.29 Sea Sparrow Missile Launcher
    • 2 x Mk.32 triple fire torpedo tubes (fires Mk.46 torpedoes)
    • 2 x 30mm Goalkeeper CIWS
  • Aircraft Carried: 1 x Westland SH-14 Lynx maritime helicopter

Unit Run[edit]

  • HNLMS Kortenaer (F807) - sold to Greece, renamed Kountouriotes (F 462)
  • HNLMS Callenburgh (F808) - sold to Greece, renamed Adrias (F 459)
  • HNLMS Van Kinsbergen (F809) - sold to Greece, renamed Navarinon (F 461)
  • HNLMS Banckert (F810) - sold to Greece, renamed Aegaeon (F 460)
  • HNLMS Piet Hein (F811) - sold to United Arab Emirates, renamed Al Emirat
  • HNLMS Abraham Crijnssen (F816) - sold to United Arab Emirates, renamed Abu Dhabi
  • HNLMS Philips van Almonde (F823) - sold to Greece, renamed Themistokles (F 465)
  • HNLMS Bloys van Treslong (F824)- sold to Greece, renamed Nikiforos Fokas (F 466)
  • HNLMS Jan van Brakel (F825) - sold to Greece, renamed Kanaris (F 464)
  • HNLMS Pieter Florisz (F826) - sold to Greece, renamed Bouboulina (F 463)
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