%0 Journal Article %A Bi, XiuYing %A Liu , XianJie %T Research on Double Collision Avoidance Mechanism of Ships at Sea %J TransNav, the International Journal on Marine Navigation and Safety of Sea Transportation %V 9 %N 1 %P 13-16 %D 2015 %U ./Article_Research_on_Double_Collision_Avoidance_Bi,33,550.html %X When power driven vessels encounter at sea, they need to avoid collision. The definition of right vessel may mislead ships officers think his or her direct navigating has absolute power with this special ship. This paper will define DCPA symbols; give the cause and the method of double collision avoidance mechanism of ships at sea. %@ 2083-6473 %R 10.12716/1001.09.01.01