I am fascinated by these amazing craft, fitted with unfeasibly large Huisman towers so that they can lay flexible pipe on the seabed, this one in water depths up to 3000 metres I think. Offshore ships started off as sort of big tugs but now they can be like this ship, the fourth of a class built in Holland and registered in IOM. Its displacement is 27000 tons, and its total thruster power of 18,000 kW, and it can provide accommodation for 120 people.

Photo taken by Jan Plug in the Campos Basin the other day ( from an earlier sister ship) and posted here on 16th April 2018.

 
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