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Royal Netherlands Navy - Koninklijke
Marine Van Speijk class Frigate |
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| 01/25 | |
| Ships: | |
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F 802
HNLMS Van Speijk F 803 HNLMS Van Galen F 804 HNLMS Tjerk Hiddes F 805 HNLMS Van Nes F 814 HNLMS Isaac Sweers F 815 HNLMS Evertsen |
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| Specifications: | |
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Displacement:
2,200 tons (standard) / 2,850 tons (full load) Length: 113.4 meters (372 feet 1 in) Beam: 12.5 meters (41 ft) Draft: 5.8 meters (19 ft) Speed: 28.5 knots (53 km/h) as built / 24 knots (44 km/h) on diesels after refit Range: 4,500 NM (8,300 km) at 12 knots (22 km/h) Complement: 254 as built / 180 after refit Propulsion: as built: 2 x Babcock & Wilcox boilers 2 x Werkspoor/English Electric geared steam turbines (30,000 shp / 22,370 kW total) after modernization: 2 x Caterpillar 3616 diesels (14,600 shp / 10,900 kW) or 2 x SEMT Pielstick 12 PA6B diesels (14,200 shp / 10,600 kW) on F 805 2 shafts / 2 propellers
Aviation: flight deck and hangar for 1 helicopter AH-12A Wasp > later SH-14 Lynx Systems: Radar (as built): Signaal LW-02 long-range air-search radar Signaal DA-02 medium-range air and surface search radar Radar (after modernization): Signaal LW-03 long-range air-search radar Signaal DA-05 medium-range air and surface search radar Fire control: 2 x HSA M44 radar/optical directors for Seacat SAM M45 combined radar and optical fire control system for gun Sonar (as built): Type 170B hull mounted sonar Type 162 side-looking and bottom-scanning sonar Sonar (after modernization): CWE 610 hull mounted sonar PDE-700 sonar |
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The Van Speijk class frigates were built for the Royal Netherlands
Navy in the 1960s. They were versions of the
UK Leander-class frigates with Dutch radars. All six
ships were sold to the
Indonesian Navy in 1986-89 as the Ahmad Yani class
frigates. For the most part the Dutch limited their changes to the Leander design to a wholesale replacement of the original British electronics and electrical equipment by those from Dutch manufacturers. Hollandse Signaalapparaten supplied the entire electronics suite. Specifically their LW-02 long-range air-surveillance radar, the DA-02 medium-range air/surface search radar and the M45 combined radar and optical fire control system for the 4.5 in (110 mm) guns. The Dutch HSA M44 radar/visual director for the Seacat anti-aircraft missiles could automatically target in elevation and bearing and because of its much lighter weight, allowed the single Seacat launcher on the British ships to be increased to two launchers on the Dutch ships, each with their own director. All six Frigates were modernised in the 1970s. The 4.5 inch gun was replaced by a OTO-Melara 76/62 mm DP gun and Mk.141 tube-launchers for up to eight RGM-84 Harpoon anti-ship missiles (SSM) fitted (although only two were normally carried). The hangar and flight deck were enlarged, allowing a Westland Lynx helicopter to be carried, while the Limbo ASW mortar was removed, with a pair of triple Mk.32 torpedo launchers providing close-in anti-submarine armament. The electronics were also upgraded, the LW-02 radar was exchanged for a LW-03 and the DA-02 was replaced by a DA-05 radar and an American EDO Corporation CWE-610 sonar replaced the original British sonar. Most importantly an automated combat management system, SEWACO V, was fitted to aid the ship's captain in decision making. Its power plant was also extensively automated. All told these changes allowed the crew to decrease in size from 254 to about 175. |
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class + detail images for more images go to the individual ship's page |
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 F 802 HNLMS Van Speijk  F 803 HNLMS Van Galen  F 804 HNLMS Tjerk Hiddes  F 805 HNLMS Van Nes  F 814 HNLMS Isaac Sweers  F 815 HNLMS Evertsen ARMAMENT + DETAILS  armament, after modernization  armament, as built  2 x Seacat SAM launchers / 2 x HSA M44 radar/optical directors / hangar / 2 x Mk.32 torpedo tubes  2 x Seacat SAM launchers / 2 x HSA M44 radar/optical directors  2 x Mk.32 torpedo tubes / 2 x Seacat SAM launchers / 2 x HSA M44 radar/optical directors / Mk.141 tube launcher for RGM-84 Harpoon SSM's  Mk.10 Limbo ASW mortar embedded in the flight deck  quad Seacat SAM launcher |
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