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HNLMS Isaac Sweers (F814) circa 1969

The HNLMS Isaac Sweers (F814) underway in 1969.

The Van Speijk-class frigates were built for the Royal Netherlands Navy in the 1960s. They are modified versions of the British Leander-class frigates with Dutch equipment and RDF. The British design was chosen in order to enable rapid construction in order to replace elderly destroyer escorts and take up Allied Pact patrol duties. The ships were modernised in the late 1970s. Six additional ships were built for the Indonesian Navy.

SpecificationsEdit

Original ConfigurationEdit

  • Type: Frigate
  • Service Period: 1967-1990
  • Characteristics:
    • Length: 372 feet (113.39 meters)
    • Beam: 41 feet (12.5 meters)
    • Draught: 19 feet (5.8 meters)
    • Displacement: 2,200 tons (Standard); 2,850 tons (Full Load)
  • Crew: 254
  • Propulsion: 2 x 550 psi boilers, 2 x geared steam turbines, 2 x shafts, 30,000 shp (22,370 kW)
  • Range: 4,500 nautical miles (8,334 kilometers) at 12 knots (22.22 km/h)
  • Speed: 28.5 knots (52.78 km/h)
  • Sensor Suite:
    • Signaal LW-02 Long Range Air Search RDF
    • Signaal DA-02 Medium Range Air/Surface Search RDF
    • HSA M44 Missile Fire Control RDF
    • HSA M45 Gun Fire Control RDF
    • Type 162 Search ASDIC
    • Type 170B Attack ASDIC
  • Countermeasures:
  • Armament:
    • 2 x QF 4.5"/45-caliber Mk.V naval gun
    • 4 x Sea Cat Missile Launchers
    • 1 x Limbo ASW Mortar
  • Aircraft Carried: 1 x Westland Wasp maritime helicopter

Midlife Refit ConfigurationEdit

  • Type: Frigate
  • Service Period: 1967-1990
  • Characteristics:
    • Length: 372 feet (113.39 meters)
    • Beam: 41 feet (12.5 meters)
    • Draught: 19 feet (5.8 meters)
    • Displacement: 2,200 tons (Standard); 2,850 tons (Full Load)
  • Crew: 175
  • Propulsion: 2 x 550 psi boilers, 2 x geared steam turbines, 2 x shafts, 30,000 shp (22,370 kW)
  • Range: 4,500 nautical miles (8,334 kilometers) at 12 knots (22.22 km/h)
  • Speed: 28.5 knots (52.78 km/h)
  • Sensor Suite:
    • Signaal LW-03 Long Range Air Search RDF
    • Signaal DA-05 Medium Range Air/Surface Search RDF
    • SEWACO V Combat System
    • HSA M44 Missile Fire Control RDF
    • HSA M45 Gun Fire Control RDF
    • Type 162 Search ASDIC
    • Type 170B Attack ASDIC
  • Countermeasures:
  • Armament:
    • 1 x Otobreda 76mm/62-caliber Compact naval gun
    • 2 x Broadsword AShM Lauchers
    • 2 x 12.75" triple torpedo tubes
  • Aircraft Carried: 1 x Westland Lynx maritime helicopter

ShipsEdit

Royal Netherlands NavyEdit

  • HNLMS Van Speijk (F802)
  • HNLMS Van Galen (F803)
  • HNLMS Tjerk Hiddes (F804)
  • HNLMS Van Nes (F805)
  • HNLMS Isaac Sweers (F814)
  • HNLMS Evertsen(F815)

Indonesian NavyEdit

  • KRI Ahmad Yani (351)
  • KRI Slamet Riyadi (352)
  • KRI Yos Sudarso (353)
  • KRI Oswald Siahaan (354)
  • KRI Abdul Halim Perdanakusuma (355)
  • KRI Karel Satsuitubun (356)
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