Page 11: of Maritime Reporter Magazine (April 2026)

tors and regulators worked together to better understand the understanding of how passenger ships behave when damaged.

mechanisms behind rapid ferry capsizes and how ship design could be improved. More than just Rules

This ultimately led to the Stockholm Agreement in 1994, a The in? uence of accidents like Estonia have also been re? ect- regulatory framework retrospectively covering ro-ro passenger ed in the evolution of international maritime regulation. The SO- ferries operating in Northern Europe. The agreement required LAS Convention, ? rst introduced following the sinking of the vessels to demonstrate that they could remain stable with water RMS Titanic in 1912, has been the cornerstone of global mari- on the vehicle deck while operating in de? ned sea states. time safety standards. For more than 100 years, it has evolved as

Instead of relying only on calculations, regulators began the industry learns from accidents and operational experience.

asking a more practical question, could a ferry survive dam- One of the most important changes has been a shift in how age in real sea conditions? To answer it, engineers combined safety requirements are structured.

computer simulations with physical model tests, using scale Historically, many SOLAS requirements were written in models in wave basins to study how ? ooding developed and very speci? c terms. The rules described exactly what equip- how vessels behaved when damaged. ment should be installed or how certain safety features should

These experiments helped naval architects better under- be arranged. While this helped standardise safety across the stand the interaction between ? ooding, wave motion and ship industry, it left little room for different design solutions as pas- stability. They also provided practical insights into how vessel senger ships became larger and more complex.

designs could be improved. In many cases, relatively modest Over time, regulators began to frame requirements different- modi? cations, such as additional buoyancy or adjustments to ly. Instead of prescribing a single technical solution, the rules internal arrangements, signi? cantly improved survivability. increasingly describe the safety objective that must be met.

The research carried out during this period did more than ad- This means designers have had greater freedom in how they dress a speci? c regulatory requirement. It reshaped the industry’s achieve that objective. A regulation might state that a ship

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