21 Patrol Ship Haijing 31025 Patrol ship RHIB Harbin Z-9 helicopter - contracted out to CITIC Offshore Helicopter Eurocopter EC 135 Changhe Aircraft Industries Corporation CA109 See also China Coast Guard China Marine Surveillance International Convention for the Safety of Life at Sea International Regulations for Preventing Collisions at Sea References External links China Maritime Safety Administration official website China Maritime Safety Administration official website State Oceanic Administration (Zhong ghuo hai jian) Aid to navigation China Hydrography Sea rescue organizations Maritime Safety Administration Maritime Safety Administration 1998 establishments in China Maritime safety organizations Dongcheng District, Beijing Government agencies established in 1998 Organizations based in Beijing Ministry of Transport of the People's Republic of China 1949 establishments in China Government agencies established in 1949