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I was interested to read the correspondence on the above subject and think that some clarification is required. Both registration and tonnage are often misunderstood even, I am sorry to say, by some marine surveyors. Registration is a legal requirement for merchant ships over 15 tons gross. It does not apply to warships or vessels of ‘primitive build’. It is written, like tonnage, into International, European and British law and cannot be changed at the whim of an owner or marine surveyor. Tonnage has nothing whatever to do with the vessel’s mass, weight or displacement but both gross and nett figures are a measure of the vessel’s internal volume. Nor has it anything to do, these days, with how much cargo (grain, bananas, wine tuns) that a vessel can carry but everything to do with harbour and light dues and taxation. The use of the word tonnage is merely an historical hangover and has been dropped for some time.

A Guide to the Registration of Ships

There are three classifications of registration in British law known from the divisions of the relevant Act of Parliament (the 1894 Merchant Shipping Act and subsequent revisions) as Parts I, II, and III. Part I applies, in general to big ships but may be used for ships under 24 metres load line length, Part II applies to fishing vessels and Part III to small craft under the 24 m load line length divisor. The vessel has to be measured for tonnage by an MCA authorised marine surveyor and the vessel’s registered Official Number and Registered Tonnage has to be ‘carved into the main beam’. The latter point is often circumvented by the material from which the vessel is built and the required data may be Continue reading “Registration and Tonnage explained”

The Northern Sea Route is a shipping lane connecting the Atlantic Ocean to the Pacific Ocean through the Northern Russian Arctic Coast Line. As a result of climate change the ice in the Arctic Sea has been melting considerably over recent years, resulting in the shipping lane being partly free of ice during the summer months. Ice free however means the absence of a frozen ice sheet, there will still be broken off ice sheets in various sizes in the Arctic Sea during the ice free periods. Therefore ships using the Northern Sea Route require ice strengthened hulls or in some case ice breaker support.

Why is it Important?

For ship owners and charterers there would be a huge economic benefit for using the Northern Sea Route. For example a container vessel sailing from Tokyo to Hamburg via the Southern route through the Suez Canal would cover 13.949 nautical miles, depending on the ship roughly 48 days of sailing. The same vessel on the Northern Sea Route would cover only 8.077 nautical miles or roughly requiring 35 days of sailing. It is obvious that the Northern Sea Route would be fuel and time efficient and this cost saving will be the main drive for commercial shipping via this shipping lane. However, currently the number of transits made by commercial ships and the cargo volume passing via the Northern Sea Route is still rather limited, but it is slowly increasing over the past years.

Continue reading “The Northern Sea Route”