It’s normal for container ships to pitch and roll in heavy seas. But the ship’s movements and certain wave conditions can sometimes reinforce one another, causing the ship to roll. MARIN explains how you can recognise and prevent excessive roll. The size of deep sea...
At the SMM trade fair in Hamburg, DNV and container liner MSC signed a contract to implement the new DNV Anti-Roll Assist system and ARCS (Anti-Roll for Containerships) class notation in some 100 vessels. At the same time, MSC announced it is rerouting its vessels to...
Synchronous or parametric rolling occurs suddenly and is hard to control. DNV’s new Anti-Roll Assist app now allows captains to recognize and avoid the risk before it becomes a threat. Resonant rolling is a hydrodynamic phenomenon that can leave even the most...
Over the past three months, it is estimated that container ships on the high seas lost over 2500 containers. That is almost twice as many as the average over the past twelve years. Is this a coincidence or is there more to it? The World Shipping Council, the global...
Container ship CMA CGM G. Washington lost 137 containers overboard as a result of parametric roll. The Nautical Institute points out that a major contributing factor was that the crew was not fully conversant with the ship’s motion monitoring, forecasting and...
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