A Comparative Study of Ship Risk Profile According to Port State Control Regime: A Case Study of Turkish Straits

The implementation and supervision of international regulations are crucial to ensure maritime safety. Port State Control (PSC) regimes make a great contribution to this by inspecting the safety standards and compliance with international regulations of ships arriving at ports. In PSCs, due to a lack of personnel for inspection and an excess number of ships to be inspected, risky ships are selected by ship risk profile and inspected, and substandard ships are detected. In this study, detention data along with non-conformities of PSC were combined with ships' data passing through the Turkish Straits to compare the PSC regime's effect on the navigational safety of a narrow waterway passage. Furthermore, exploratory analysis has been provided in order to reveal the maritime traffic structure of the Turkish Straits regarding PSC measures. The results have offered promising evidence that PSC regime implementation provides a valuable indicator to discriminate ship risk profile for narrow waterways.