General guidance for maintaining stability in container ship
As the nature of container ship operation, it’s tread to be lack of stability, due to Top Heavy Load, the Master shall always take special attention for her stability. Also the Master should remind factors to cause reducing stability more such as Alternating course with Big angle of Rudder, Towing by tugs at the scene of Berthing / Un-berthing, etc.
In principle, IMO designated criteria of minimum GoM for Container ship should always be considered.
If the Master observes deviating from the above criteria, even though applying the best Ballast and Fuel layout, the Terminal planner / Central planner must be informed and cargo stow plan appropriately modified. Stability may similarly affect securing equipment. If the vessel is excessively stiff she may be subject to a short rolling period, creating greater loads on all equipment and fittings. Also it has a great influence on “Lashing strength for containers on deck.
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