During the last 17 years in the offshore wind market, we have developed our FOB SWATH semi-submersible vessels. SWATH: Small Waterline Area Twin Hull. Our aim is to have the best personnel and vessels. We provides safety, responsibility, experience, flexibility, 24-hour service, approved by DOC, ISO 9001, 14001, 45001, Achilles, Environ-mental Policies and GDPR regulations.


The lower hulls are narrow and sharp and cuts through the waves at high speed. The pitch, roll and slamming are reduced due to the great distance from seawater to water deck, and with the four foils and interceptors.


In semi-submerged position the movements are considerable reduced and avoid air intake to the propulsion units, and with the automatic movable foils, it allows the vessels to operate safe and comfortable for longer periods in rough sea.


The vessels special patented bow fender with removable clams used on the outside of the docking poles, enable the vessel's bow to be pushed sideways, hold the vessels safe in the correct position, and allows our vessels to work in 2 m. significant wave heights. These improvements have been used with great success on our vessels since 2016. Our bow fender reduces the forces against the docking pole(s) and vessels bow.


  1. The fuel consumption for FS 8, 9 and 10: 20 knots 375 l/h, 25 knots 475 l/h, 27 knots 675 l/h. Max speed for FS 8 = 30 knots and FS 9 & 10 = 35 knots. If one propulsion unit should fall out, she continues with 25 knots.
  2. The increased speed of our vessels with a length of 32.5 m., save time compared with our 25 m. vessels. Both vessels sailing the same distance, use about the same fuel consumption.
  3. With the protected waterjets, the vibrations whilst staying against the "landings" and damages during sailing is minimized.
  4. Acceleration in accordance with the High-Speed Code 2000, vertical acceleration under 1 G, lowest sea sickness index - 0.75 to 1.25, comfortable seating and sound level under 60 decibels.
  5. All our 32.5 m. vessels have DP system (Dynamic Positioning), used among others while receive and deliver fuel.
  6. Extra bunker capacity allows the vessels to stay offshore for longer periods.
  7. Free deck area up to 80 m.2.
  8. Our vessels can carry 24 to 55 "IP" (Industrial Personnel). We may provide vessel(s) for 12 IP with single cabins plus 12 for day sailing.
  9. From Cat mode to semi-submersed mode and vice versa, takes about 3 minutes.
  10. During repair and maintenance, another Fob Swath vessel may substitute.
  11. Marine Evacuation System (MES) with slides.
  12. The special rescue net allows to save persons from the sea with one deck-man on main deck.
  13. The vessel's hydraulic gangway and the cargo-crane, both operate safe and simple.
  14. In stock with considerable spare parts and complete engines and gears.
  15. All vessels are Classed by DNV GL and approved by Danish Maritime Authority.

ODFJELL EIENDOM AS, Bergen, Norway, is the holding company with long term investments in real estate with over 135 000 m² of commercial properties, special vessels for offshore wind and oil industry, custom built vessels for Bahamas and ice-class vessels for Baltic Sea.

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Odfjell Wind AS. +47 55 215000
Nygaardsgaten 114, 5008 Bergen, Norway
Fredrik Odfjell +47 55 121010

Offshore Windservice A/S. +45 978 880 00
Nordsökaj 51, 7680 Thyborön, Denmark
Billy T. Kristensen +45 50 800479