Phutthayotfa Chulalok-class frigate

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Phutthayotfa Chulalok class frigate are former United States Knox-class frigates. There are two ships in this class in the Royal Thai Navy.

Units of Class

General characteristics

  • Displacement: 3,000 tons (Maximum 4,260 tons)
  • Dimensions: 133.5 x 14.17 x 7.46 meters
  • Propulsion: Steam turbines, 2 boilers, 1 shaft, 35,000 shp
  • Maximum Speed: 28 knots
  • Cruise Speed: 15 knots
  • Crew: 250
  • Aircraft: helicopter deck and hangar
  • Radar: SPS-40B 2-D air search
  • Sonar: SQS-26CX bow, SQR-18 towed
  • Fire Control: SPG-53 gun control
  • EW: SLQ-32(V)1 passive intercept
  • Armament:
  • 8 ASROC
  • 4 Harpoon
  • 4 Torpedo Mk.32 with Torpedo Mk.44 and Torpedo Mk.44
  • 1 5/54 Gun,
  • 1 20 mm Phalanx CIWS


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