Haijiu class submarine chaser

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2 (possibly 2 more) Haijiu class submarine chasers are the modified versions of the Hainan class submarine chasers (Type 037) for the People's Liberation Army Navy. The main difference is that four ASW rocket launchers have replaced the original 2 ASW mortars. There is some disagreement over the type designation of this class, some sources claim it is Type 037I, while others claim it is Type 037 Mod (for modified or modernized).

  • Displacement: 490 ton
  • Length: 64 m
  • Beam: 7.2 m
    • Draft: 2.2 m
  • Speed: 28 kt
  • Range: 750 nm @ 18 kt
  • Propulsion: 4 diesel engines @ 8,800 hp with 4 shafts
  • Complement: 72
  • Armament:
    • Guns: 4 57 mm guns (II x 2) and 2 AK-230 guns
    • ASW: 4 RBU-1200 ASW launchers and 2 depth charge rails with 18 depth charges
  • Radars:
    • Surface search radar: 1 I-band Pot Head
    • Fire control radar: 1 I-band Round Ball
  • Sonar: Chinese copy of Thomson-Sintra medium frequency SS-12 VDS