M/V Silja is a multipurpose catamaran suitable for hydrographic geophysical survey- and ROV work, transport of crew (10 pax.) and equipment and environmental protection. Due to her low draught, she can cover a wide survey area from close inshore to long offshore survey grounds. She can be fitted for inshore diving operations.

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Information Operational equipment
Type of Vessel Hydrographic survey vessel and Crew transfer Length over all 27,32 m
Owner JD Crafts A/S Breadth moulded 9,20 m
Operator JD-Contractor A/S Draught 2,30 m
    Air draught 13,00 m
Deck equipment Gross Tonnage 173 tonnes
Deck crane 2 x 5 T at 1.7 m hydraulic crane Accommodation 7 (of which 2 is crew), Additional transport seats for a further 7 pax.
Weather deck 70 m2 , 1 t/m2  (3 x 20´container á 12 t) Main Engines 2x 920 kW
    Speed 16 knots
When required the vessel can be equipped with:
Multibeam echo sounder survey equipment  
ROV inspection and embedding systems  
Pipeline and cable route surveys  
Environmental and  surveys and sampling  
Inshore diving operations