Much of Southeast Asia’s offshore infrastructure was built for a design life that has already passed. Those platforms are still producing, which means the operative question is no longer whether they last, but under what conditions they are allowed to. By MarineCraft Journal · 9 September 2026 · 10 mins read Design … Read more
A seaworthy vessel is not simply one that floats and moves. It is a ship that is properly constructed, maintained, crewed, and equipped to safely encounter the expected perils of the voyage while protecting crew, cargo, and the environment. In maritime law and risk management, unseaworthiness is a core liability trigger. Understanding what seaworthiness requires in concrete, practical terms is essential for every shipowner, manager, and technical adviser.
The prow is more than the forward tip of a vessel. It’s a load-bearing structural element, a hydrodynamic determinant, and the feature that most visibly expresses a ship’s form and purpose. Understanding it is foundational to understanding how ships are designed and why they perform as they do.
The margin line is a subtle but powerful concept, an imaginary safety threshold drawn below the main deck that ensures vessels are assessed against stricter flooding criteria than the deck itself, providing a critical buffer between calculation and catastrophe.
Every vessel begins as a set of operational requirements and ends as a physical structure built to exact tolerances, but the journey between those two points involves four distinct design stages, each with its own scope, disciplines, and decision points. Understanding how ship design progresses from concept to production helps every maritime professional appreciate the rigour behind the vessels they operate, survey, or manage.
