Abstract
In the new inspection regime (NIR) of port state control (PSC), the criteria for being judged as a standard risk ship (SRS) is too broad. Some ships are classified as SRS even though they have a large number of ship deficiencies. This paper develops a selection system to identify the hidden risk of target ships in the SRS category using PSC inspection records. This system allows the target ship to be used to help reduce cases of flags being greylisted or blacklisted, which can cause huge shipping losses. This study analyzes ship deficiency data in the Tokyo memorandum of understanding (Tokyo MoU) database. It adopts the multiple criteria decision making (MCDM) model as a data processing technique to build a risk assessment scale. It uses fuzzy importance performance analysis (F-IPA) and technology for order preference by similarity to the ideal solution (TOPSIS) for its analysis. Subsequently, the weights of F-IPA and TOPSIS are adopted into the MCDM model. This article also consulted the Tokyo MoU database. It has been verified that the next time PSC inspection, the system hits 83.3% of the hidden risk ships in the SRS category. Thus, this system will help inspectors be more insightful for target ships.
Highlights
The purpose of implementing port state control (PSC) is to effectively crack down on substandard ships and to reduce the occurrence of shipwrecks by carrying out ship inspections
It can be used to enhance the seaworthiness of the target ship, maintain the safety of water navigation and protect the marine ecological environment
Marine accidents often occur, and many of the ships involved in these marine accidents passed a PSC inspection when last berthing at port
Summary
The purpose of implementing port state control (PSC) is to effectively crack down on substandard ships and to reduce the occurrence of shipwrecks by carrying out ship inspections. By carrying out PSC inspection, coastal countries learn the deficiencies of the inspected ships and can implement enforcement steps to impound them [1,2]. The new inspection regime (NIR) in PSC only classifies inspected ships into three types: high risk ship (HRS), standard risk ship (SRS) and low risk ship (LRS). The SRS covers a wide range of ships in the NIR, so it is easy for errors to occur when assessing the risk levels of ships. The HRS, SRS and LRS in different memorandum of understandings (MoUs) are used to determine when the ship has to be inspected time
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