Leste Defence Force Fushun-class minesweeper The Fushun-class minesweeper was developed from the Shanghai II-class gunboat. This minesweeper version had a reduced armament, with mine-sweeping gear replacing some of the weapons. All other characteristics of this class are identical to the Shanghai II class, and all of 20 units were transferred to the reserves, subordinated to the naval militia for training purposes. As of 2015 they have all been mothballed. Type 062I-class gunboat The Type 062I-class gunboat (NATO: Shanghai III class), is the successor of the original Type 062 Shanghai I & II-class gunboats of the People's Liberation Army Navy. The Shanghai III-class gunboat is more heavily armed than its predecessor, with the 23 mm guns replacing the 14.5 mm heavy machine guns and is also substantially larger at 170 tons. Significantly more Shanghai III-class gunboats have entered service in foreign navies than in the People's Liberation Army Navy, and the ones in the Chinese inventory are mainly used for training foreign crews, and not all export boats have the same configuration due to different customers' requirements. They are primarily used for coastal and inland patrol. Haizhui-class submarine chaser The Haizhui-class submarine chaser is based on the Type 062I-class gunboat and entered service in the early 1960s. It was a stopgap measure as a follow on class to before the arrival of the Type 037 submarine chaser in the mid-1960s. Although Type 062I originated as a gunboat, the submarine chaser version was more successful in serving the People's Liberation Army Navy, actually serving operationally rather than a training vessel for foreign crews. The gunboat version is more successful in export market, however. Exports East Timor Sri Lanka See also Type 056 corvette Type 037 corvette Type 022 missile boat References External links Shanghai II-class gunboat (globalsecurity.org) Gunboat classes Gunboats of the People's Liberation Army Navy Gunboats of the Korean People's Navy Ships of the Sri Lanka Navy