| rdfs:comment
| - The Huangpu-class gunboat were gunboats of the People's Republic of China's People's Liberation Army Navy, with production first begun at Jiangnan Shipyard on January 20, 1953, after request was submitted in October 1952.. These boats were designated as Type 53A (53 Jia Xing, 53甲型), and a slightly modified version was designated as Type 54A (54 Jia Xing, 54甲型). They entered service in the 1950s and had been completely taken out of active service by the early 2000s and were transferred to law enforcement agencies. However, just like the Shantou, Beihai and Yulin classes that were transferred for law enforcement adaptation, these obsolete and aging boats are not satisfactory in their new roles due to their low maximum speed, sometime as low as 10 knots, which was not fast enough to catch the (en)
- 53甲型炮艇（北约称黃埔级）。是中国人民解放军海军50年代装备的中国设计制造的第一代炮艇。 海军在1950年有感於原來自二戰日軍接收的25噸級江河砲艇已不能適應新的戰場需求，所以想以舊機器來翻造新的40噸級砲艇，主機是改用國府撤走後留在江南造船廠的一批美援GM6-71型柴油機。1951年三月，華東軍區交由江南造船廠以庫存物資試製一艘42噸三槳推進的小砲艇，但可能由於時間倉促經驗不足，竟然一下水就翻覆沉沒。接著1952年初，青島造船廠亦試製了一艘43噸級的砲艇。1952年9月成立。1952年，海军舰船修造部在分析总结了历次海战中的经验教训得出的结论是：新的炮艇应满足发动机功率要大，艇体要轻，攻击和退出快捷；火炮要中、小口径速射炮，弹药基数多，这样在近战中对中、大型舰艇上层建筑有杀伤力，又不使艇重增加过多；船体水动力性能好，能适应一定海情并能在南海盐湿、复杂气象条件下航行作战。 1953年六月，八艘"53甲"型砲艇組成第一及第二艇隊參加浙海大小鹿山等四島的爭奪戰，是為本級艇首次登上戰場。本級艇配屬各地區(如溫州、廈門等)巡邏大隊，下轄二至三中隊，每中隊轄四艘砲艇。 (zh)
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| has abstract
| - The Huangpu-class gunboat were gunboats of the People's Republic of China's People's Liberation Army Navy, with production first begun at Jiangnan Shipyard on January 20, 1953, after request was submitted in October 1952.. These boats were designated as Type 53A (53 Jia Xing, 53甲型), and a slightly modified version was designated as Type 54A (54 Jia Xing, 54甲型). They entered service in the 1950s and had been completely taken out of active service by the early 2000s and were transferred to law enforcement agencies. However, just like the Shantou, Beihai and Yulin classes that were transferred for law enforcement adaptation, these obsolete and aging boats are not satisfactory in their new roles due to their low maximum speed, sometime as low as 10 knots, which was not fast enough to catch the smugglers’ high speed motorboats. As a result, these boats were subsequently transferred again, this time to reserves, subordinated to naval militia in various Military Maritime Districts in China as training boats and port security / patrol boats within the confines of the harbors. The new design incorporated a low superstructure fore and aft, providing additional accommodations for police or troops. A lightly armed version with 25 mm main guns received NATO reporting name Beihai class. This advantage combined with their later completion time in comparison to Shantou, Beihai and Yulin classes have made this class more active in the reserve than the others in the naval militia, However, like the Shantou, Beihai and Yulin classes, as the new class of port security patrol boats entering service, the Huangpu class is increasingly being converted, mothballed and eventually scrapped. Just like the Shantou, Beihai and Yulin classes, many of the surviving units are being converted to naval range support boats and target drones and thus reactivated into active service as minor support auxiliaries. It can be either used as a target control boat to remotely control the converted drones, or as a drone itself. When the drone is in operation, the crew departs the boat. Most of the range support boats in the PLAN also shoulder the responsibility of inshore surveying and these converted boats are no exceptions, despite the little scientific instruments they carried. The reason is that originally, majority of the hydrographic surveys were conducted by civilian fishing vessels with the additional scientific equipment, naval and governmental crews on board. However, since the Chinese economic reform and the depletion of the fishery resources, the civilian fishing vessels must venture much further out into open ocean and staying longer at the sea, thus could no longer afford to stay in home waters and performing the heavy inshore surveying duties previously assigned under the planned economy era in China prior to the Chinese economic reform. Consequently, the PLAN must come up with their own means to meet such huge demand, and converting former gunboats was one of the answers: although these boats can no longer venture out into open ocean and cruise at their maximum speed like they used to do, they are still quite capable of low speed inshore surveying tasks within the confines of river mouths and bays of Chinese coastlines. Contrary to the commonly held but erroneous belief that the PLAN is following the tradition of having weaponry on most of its auxiliaries (though there is certainly some degree of this), the retention of weaponry on these converted boats were mainly to save money: in order to reduce the conversion cost, the original weaponry was retained unless it was absolutely necessary to remove the weapons, thus most of the converted range support and surveying boats still maintained most of their original fighting capability. (en)
- 53甲型炮艇（北约称黃埔级）。是中国人民解放军海军50年代装备的中国设计制造的第一代炮艇。 海军在1950年有感於原來自二戰日軍接收的25噸級江河砲艇已不能適應新的戰場需求，所以想以舊機器來翻造新的40噸級砲艇，主機是改用國府撤走後留在江南造船廠的一批美援GM6-71型柴油機。1951年三月，華東軍區交由江南造船廠以庫存物資試製一艘42噸三槳推進的小砲艇，但可能由於時間倉促經驗不足，竟然一下水就翻覆沉沒。接著1952年初，青島造船廠亦試製了一艘43噸級的砲艇。1952年9月成立。1952年，海军舰船修造部在分析总结了历次海战中的经验教训得出的结论是：新的炮艇应满足发动机功率要大，艇体要轻，攻击和退出快捷；火炮要中、小口径速射炮，弹药基数多，这样在近战中对中、大型舰艇上层建筑有杀伤力，又不使艇重增加过多；船体水动力性能好，能适应一定海情并能在南海盐湿、复杂气象条件下航行作战。 總設計師徐振騏重新設計了50噸級的巡邏砲艇交由江南造船廠試造獲得成功，1952年開始量產，此即為"53甲"型護衛艇，又稱"黃埔"級或"50噸級新砲艇"；由於當時南方急需這批砲艇保衛珠江口與瓊州海峽等地，所以江南造船廠將設計圖稍做修改以適應南方氣候，並在上海廠分段製造後以火車運往廣州組裝，到了1955年共建造了82艘。由于这批库存的GM引擎以较过时，挖掘潜力后最大功率也仅达230马力，53甲型炮艇航速只有11.5节。 1953年六月，八艘"53甲"型砲艇組成第一及第二艇隊參加浙海大小鹿山等四島的爭奪戰，是為本級艇首次登上戰場。本級艇配屬各地區(如溫州、廈門等)巡邏大隊，下轄二至三中隊，每中隊轄四艘砲艇。 (zh)
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