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Naval ForcesChina

Type 037I Class (Haiqing Class)

CorvetteFielded 1982Pending verification
Naval ForcesCHN
Length 62.8 m
Identification silhouette. Not drawn to scale between entries.
Fact cardConfidence · Source
System
TypeCorvette
Date of introduction1982
ProliferationAt least 2 countries
Crew71Med[1]
Dimensions and weight
Length62.8 m206 ftMed[1]
Beam7.2 m24 ftMed[1]
Draft2.4 mMed[1]
Displacement (standard)395 tonsMed[1]
Displacement (full load)478 tMed[1]
Propulsion and performance
Propulsion4 × Chinese PR 230ZCMed[1]
Engine power4 × Chinese PR 230ZC diesel engines at 4,000 hp (2,983 kW) with 4 shaftsMed[1]
Range2,408 km1,496 mi · 1,300 nmi\1,300 nmi (2,400 km) at 15 kn (28 km/h)Med[1]
Speed28 kt52 km/hMed[1]
Armament
Gun Weapon SystemsThe earlier boats are fitted with two manually operated twin-barrel 37 mm guns, but they have been replaced by two automatic 37 mm guns on the later variants. They also have various other mounted heavy machine guns for patrol duty.Med[1]
Mines12 max. mines (two mine rails fitted)Med[1]
Mortar System: mortar launcherThe ships are armed with two 6-tubed anti-submarine mortar launchers.Med[1]
Mortar System: mortar typeType 87 MortarMed[1]
ArmamentType 76AMed[1]
Fire control
Radars and sonars1 x Pot Head RadarMed[1]
Name1 x Tamir-11 HFMed[1]
Variants
Type 037IPennant Numbers: 688, 693 , 694 and 697 Pendant No. 275/285, 290, 302, 305, 609/610, 618/622, 626/629, 636/637, 689/692, 695/699, 701, 707, 723/733 and 740/742[1]
Type 037ISPennant Numbers: Approx. 611－614, 619, 631, 632－635, 710－713, 743, 744, 761－763 and 786－789[1]
Weapons and payload options · 1Confidence · Source
Type 76ANaval Gun
Med[1]
Quantity
4 × Type 76A 37 mm gun (2 × 2)
Type
Naval Gun
Caliber
37mm
Summary

The Type 037I submarine chaser (NATO reporting name: Haiqing class), is a follow-on class of submarine chasers to the preceding Type 037-class of the People's Liberation Army Navy. There are two designation sof this class, the base Type 037I and the improved Type 037IS.

Draft entry. Values come from the cited public sources and are awaiting editor verification.
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Operators
ChinaSri Lanka
Sources
  1. Type 037I Class (Haiqing Class) Chinese Corvette, U.S. Army TRADOC G-2 Worldwide Equipment Guide (ODIN)
    Published/updated 2026-03-20 · Tier 1 · checked 2026-10-10
Change log
  • 2026-10-10 Entry created from the Worldwide Equipment Guide (ODIN), bulk import