Depth of water– UKC should be maintained as per the company’s policy but in general should not be less than 25% of the depth and if possible, the depth of water should be less than 50 metres, because more the depth, more the cable to be paid out, which will result in a bigger swinging circle of the ship, thus requiring more sea room.Position checking methods should be considered, for example- presence of shore objects etc.Enough sea room should be available taking into account the swinging circle of the vessel.The area should be as far as possible be an authorised anchorage in sheltered or semi sheltered area.The area should be clear of cables and pipelines.For example- Clay, mud, firm sand, grave etc. Type of Seabed – The preferred seabed should be soft and cohesive.Holding power of an anchor depends on the area of the fluke, bigger the fluke, more is the holding power.As the chain starts lifting from the seabed, the holding power starts reducing.The holding power of an anchor is around 4 to 5 times the weight of anchor and it is 100% only if the anchor chain is lying horizontal on the seabed away from the anchor.We will try to keep it as simple as possible.
In this article we will discuss what all factors are considered and how to proceed for anchoring. Anchoring is one of the most important and critical operations in shipping and every deck officer must be thoroughly familiar with the procedures and favourable factors that are required for anchoring.Īs a junior officer, many of you must have been on Bridge with the Master during Anchoring and must have noticed many particular things that Masters do in the process of Anchoring and might have wondered the reasons behind such actions, here we will try to figure out the answers for you.
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