![]() ![]() ![]() know your vessel’s manoeuvring characteristicsĤ.2 Requirements for vessels operating in ice.excessive speed almost always results in ice damage.try to work with the ice movement and weaknesses but not against them.keep moving - even very slowly, but try to keep moving.The open water long way round a difficult ice area whose limits are known is often the fastest and safest way to port, or to the open sea when leaving a port.Įxperience has proven that in ice of higher concentrations, 4 basic vessel handling rules apply: Ice navigation requires great patience and can be a tiring business with or without icebreaker escort. Once a vessel becomes trapped, the vessel goes wherever the ice goes. The first principle of successful ice navigation is to maintain freedom to manoeuvre. However, it is quite possible, and continues to be proven so, for well-found vessels in capable hands to navigate successfully through ice-covered waters. Ice is an obstacle to any vessel, even an icebreaker, and the inexperienced navigation officer is advised to develop a healthy respect for the latent power and strength of ice in all its forms. ![]() Chapter 4: Navigation in ice covered waters 4.1 General ![]()
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