Ai, W. and Zhu, P., 2020. Navigation ship's drift angle determination method in curved channel. In: Wan, Z. (ed.), Coordinated Sustainable Development in Coastal Areas: Environment and Economy. Journal of Coastal Research, Special Issue No. 109, pp. 181–184. Coconut Creek (Florida), ISSN 0749-0208. Ship's drift angle is closely related to ship's navigation safety and channel's dimension design in curved channel. It is important to study ship's drift angle in order to ensure ship's safety when passing curved channel. In this paper, ship's navigation drift angle in curved channel is researched. The results of research show that ship's navigation drift angle is closely related to channel's radius, water depth, curved channel's longitudinal current velocity, ship's draft and ship's speed. The drift angle calculation equation is also put forward in this paper. [ABSTRACT FROM AUTHOR]