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Haijian 52 (Chinese: 中国海监 52) is a China Marine Surveillance ship in the of the East China Sea Fleet. Originally christened as "Shijian" (English: practice, Chinese: 实践) and commissioned in 1967 as a comprehensive oceanic survey vessel, Haijian 52 joined CMS, East China Sea Fleet in 2000. It was planned to be inactive in 2007 but her service was extended.
People's Republic of China