Analysis of causal relations of marine accidents during ship navigation under pilotage: A DEMATEL approach

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Analysis of causal relations of marine accidents during ship navigation under pilotage: A DEMATEL approach

Demirci, SM Esad / Canımoğlu, Refik / Elçiçek, Hüseyin

Marine accidents cause many irreversible losses for life, property, and the environment. Moreover, accidents occurred in coastal areas cause even more. As a precaution, marine pilotage plays a key role in the safety of navigation. However, accidents still occur in coastal areas even if the pilot is on board. The paper, therefore, focuses on ship accidents that occurred while pilot is on board. In addition to pilot, as many complicated factors affect ship navigation in coastal areas and contribute ship accidents, solving intertwined relations between factors is essential to understanding accidents reasons. In this study, 32 factors contributing to ship accidents were identified based on accident investigation reports obtained from Global Integrated Shipping Information System (GISIS) and expert opinion. These factors were analyzed by using DEMATEL (Decision Making Trial and Evaluation Laboratory) method to solve causal relations between factors. The findings showed that the human and ship related factors are the most significant main categories in the accidents under pilotage. In addition, their sub-categories which are crew training, ship condition, length over all, ship draught, master experience, pilot experience, and bridge team management have the most critical effect on the occurrence of accidents. It was concluded that there is a need for highly collaborative and fruitful relationship between master and pilot to provide safe navigation. Accordingly, effective control and preventive measures, which also provide a deeper understanding of safety management in the dangerous water are extensively discussed. Consequently, the obtained results provide valuable information for maritime transportation safety.