This paper compared the consistency of the Environment Stress(ES) model and the Potential Risk Assessment Model (PARK model, which was developed based on a Korean mariner risk perception) for the Busan adjacent waterway. Evaluation of accuracy and comparison of these two models have been made by Vessel Traffic Service (VTS) officers in the Busan VTS Centre. The assessment results of Busan waterway show that the PARK model is more consistent than the ES model as follows. (1) The difference between assessment results applying ES model and PARK model with risk degree of VTSOs were 34% and 5% respectively in six typical traffic situations. (2) The assessment using PARK model is more suitable and identical with the VTSOs opinion in his or her duty time.

• Chang-Hyun Jung(Division of Navigation, Mokpo National Maritime University)
• Volkan Aydogdu(Department of Maritime Transportation and Management Engineering, Istanbul Technical University)
• Matthew Vail Smith(Korea Maritime and Ocean University)
• Young-Soo Park(Division of Maritime Transportation Science, Korea Maritime and Ocean University) Corresponding Author
• Thanh Xuan Nguyen(Navigation Faculty, Ho chi Minh City University of Transport)