In a recent study published in the *Journal of Eta Maritime Science* (translated from Turkish as *Journal of Alpha Maritime Science*), Taha Talip Türkistanlı from Mersin University’s Faculty of Maritime Department of Maritime Transportation Management Engineering, has shed light on how flag states navigate the complexities of International Maritime Organization (IMO) regulations through exemptions and equivalents. The research, which analyzed a decade’s worth of data from the Global Integrated Shipping Information System (GISIS), offers valuable insights into the patterns and trends that could shape the future of maritime compliance and oversight.
Türkistanlı’s study employed a rule-based pipeline to transform semi-structured text data into a format suitable for analysis. This involved tokenization, regex patterning, and n-gram co-occurrence analysis, which allowed for a more nuanced understanding of how exemptions are utilized across different conventions. The findings reveal that exemptions are most frequently sought under the International Convention for the Safety of Life at Sea (SOLAS), followed by the International Convention for the Prevention of Pollution from Ships (MARPOL), the International Regulations for Preventing Collisions at Sea (COLREG), and the International Convention on Load Lines.
One of the key takeaways from the research is that national portfolios of exemptions are coherent rather than random, suggesting a strategic approach by flag states. Türkistanlı noted, “Notification rates remain highly right-skewed, with a small subset of flags accounting for a disproportionate share of documented exemptions and equivalents.” This indicates that a few flag states are responsible for the majority of exemptions, which could have significant implications for the uniformity and effectiveness of IMO regulations.
The study also highlights the temporal dynamics of exemption usage, showing an increase in volumes over the decade, even after adjusting for exposure. This trend suggests that the demand for exemptions is growing, possibly due to the increasing complexity of maritime regulations and the need for greater flexibility in compliance.
For maritime professionals, these findings underscore the importance of transparency and comparability in the reporting of exemptions and equivalents. Türkistanlı’s research provides a reproducible, deterministic pipeline that normalizes instrument references and reconstructs exemption fields, enabling more accurate cross-flag comparisons and portfolio analysis. This methodological advancement could support evidence-based oversight and help stakeholders make more informed decisions.
Commercially, the insights from this study could influence how shipping companies and flag states approach compliance and risk management. Understanding the patterns and trends in exemption usage can help stakeholders anticipate regulatory challenges and develop strategies to mitigate potential risks. Additionally, the findings could inform the design of structured reporting in GISIS, enhancing the overall transparency and effectiveness of the IMO’s regulatory framework.
Türkistanlı’s work, published in the *Journal of Eta Maritime Science*, represents a significant contribution to the field of maritime regulation and compliance. By providing a clearer picture of how exemptions and equivalents are utilized, the study offers valuable insights that could shape the future of maritime oversight and support the development of more effective regulatory strategies.

