[2] Haijian 50's construction started in February 2010 at Wuchang Shipbuilding, Wuhan, China.

Its design is the basis for the subsequent construction of five ships within the same 3,000-tonnage class, which Wuchang Shipbuilding received an order for in January 2013.

She has an electrical propulsion system that relies on propellers instead of a rudder for changing direction.

Auxiliary propellers give her the capability to rotate in place.

[3] On September 14, 2012, CMS 50 arrived at waters around the disputed Diaoyu Islands and started cruise operations.