The Type 037-IS (NATO reporting name: Haiqing class) is the modernised version of the Type 037 (Hainan Class) submarine chaser. A total of 20 hulls have been built by Shanghai-based Qiuxin Shipyard since 1993. The vessel was based on the hull design of the Type 037I, but with a redesigned superstructure and improved weapons and sensors. The displacement of the vessel was also increased to 478t.

037-IS型（北约代号：海青（Haiqing）级）是037型（海南级）猎潜艇的现代化改型。从1993年以后由上海建立的求新造船厂建造总数为20艘。以037I型的艇体设计为基础，但是采用重新设计的上部构造和改良的武器和传感器。排水量也增加到478吨。

The change of the Type 037-IS’s weapon configuration reflected a shift in the vessel’s role, from ASW to more general patrol and escort duties. The vessel uses two dual-37mm AAA guns replacing the problematic Type 66dual-57mm AAA guns on the original Type 037. Early variants of the Type 037IS was fitted with two Type 76 dual-37mm manual AAA guns (8.5km range), while later variants were fitted with two Type 76F dual-37mm automatic AAA guns. The original two Type 61 dual-25mm AAA guns were replaced by two 14.5mm anti-aircraft machine guns (AAMG). The four Type 62 five-tube AS rocket launchers on the bow deck were replaced by two improved Type 87 6-tube AS launchers, which features automatic reloading. An optronic director is located on top of the superstructure to be sued in conjunction with the Type 76F AAA guns.

037-IS型的武器结构变化反映该艇的作用改变，从反潜战（ASW）到更通常的巡逻和护航职责。采用二座双管37毫米AAA炮更换在最初的037型上存在问题的66型双管57毫米AAA炮。早期037-IS型配备有二座76型双管37毫米手动AAA炮（射程8.5公里），较后的改型配备有二座76F型双管37毫米自动AAA炮。最初的二座61型双管25毫米AAA炮被二挺14.5毫米防空机枪（AAMG）替代。位于艏甲板上的四具62型五管AS火箭发射装置被二具改进87型六管AS发射装置替代，特点是自动再装填。一具光电指示器位于上部构造顶部去与76F型AAA炮协同。

So far 20 hulls have been built. These are: 613, 614, 632, 634, 651, 710~717, 743,744, 761~763, 786~792.

到现在为止已经建造20艘。这些是：613、614、632、634、651、710~717、743、744、761~763、786~792。

Specifications

Displacement: (full load) 478 tons Dimensions: Length 62.8 m; Beam 7.2 m, Draft 2.2 m Propulsion: 4 diesels, 8,800 bhp; 4 shafts Speed: 28 knots Range: N/A Crew: 71 Sonar: Hull mounted, high-frequency Guns: (Early variant) 2X Type 76 manual dual-37mm AAA gun, or (later variant) 2X Type 76F automatic dual-37mm AAA gun; 2X manual dual-14.5mm AAMG A/S Rocket: 2 Type 87 6-tubed fix launchers Depth Charges: 2 DC mortars, 2 DC racks Mines: Mine rails

规格

排水量： （满载）478 吨 尺寸： 长 62.8 米；宽 7.2 米，吃水线 2.2 米 推进： 4 柴油发动机，8,800 马力；4 轴 速度： 28 节 航程： N/A 组员： 71 名 声纳： 壳装，高频 舰炮： （早期型）2 X 76型手动双管37 毫米 AAA炮，或（较后改型）2 X 76F型自动双管37 毫米 AAA炮；2 X 手动双管14.5 毫米 AAMG A/S火箭： 2 87型六管固定发射装置 深水炸弹： 2 DC投放器，2 DC支架 水雷： 水雷导轨

Last update: 1 March 2009 最后更新：2009年3月1日