During 16 years in the offshore wind market we have developed our FOB SWATH submersible vessels. SWATH: Small Waterline Area Twin Hull. Our aim is to have the best vessels and the best human factor. Crew and company provides safety, responsibility, experience, flexibility, 24-hour service, approved with DOC, ISO 9001, ISO 14001, OHSAS 18001, AchillesEnvironmental Policies, & GDPR regulations


The lower hulls are narrow and sharp, and cuts through the waves (wave-piercing). The pitch, roll and slamming are reduced due to the great distance from water level to upper water deck, and with the four foils and interceptors. 




In submerged position the movements are considerable reduced, which allows the vessels to operate in rough weather, stay safe and comfortable at the site for extended periods.



The bow fender with our special patented side forces used on the access systems, increases safety, allows the vessels to work in 2 m. Hs, and centres vessel's bow in correct position. Our system has been tested and used on our vessels with great success since 2016 in the Irish Sea, North Sea and Baltic Sea.



  1. Our new Fob Swath 8 has fuel consumption at 20 knots with 350 liters/hour and at 30 knots 620 liters/hour
  2. Fob Swath 8's speed is 35 knots with 90 % power. If one propulsion unit falls out, she continues with 30 knots
  3. With the 4 protected waterjets the vibrations while staying against the "landings" and damages during sailing are minimized
  4. Manoeuvre from 1/3 forward to 1/3 aft within 1 second. Bow thrusters and water jets gives 7-ton side trust. All assists with safe "landings" and extra utilization days
  5. Acceleration in accordance with 2000 HSC - Code, vertical acceleration under 1G, lowest sea sickness index - 0.75 to 1.25, comfortable seating and sound level under 60 decibels
  6. Some of our vessels have the DP system
  7. Extra bunker capacity allows the vessels to stay offshore for longer periods. They can all refill generator sets
  8. Free deck area, from 30 to 80 m.2
  9. Our vessels are built for 24 passengers, and some for 56 passengers
  10. Some of our vessels can be arranged as an accommodation vessel for 12 persons.
  11. Crane for loading and discharging
  12. From Cat mode to SWATH (submersed) mode takes about 2.5 minutes and same for returning to Cat mode
  13. During repair and maintenance, another Fob Swath vessel may substitute
  14. Marine Evacuation System (MES) with slides
  15. The special rescue net allows to save persons from the sea with one deck man
  16. Vessel's gangway operates hydraulically, simple and safe
  17. All crewmembers have single cabins with WC and shower
  18. In stock with considerable spare parts and complete engines and gears
  19. 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 120,000 m² of commercial properties. Special vessels for the offshore wind and oil industry. Custom built vessels for trading in the Bahamas and ice-class vessels for the Baltic Sea.

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Fob Swath 1
Fob Swath 2
Fob Swath 3
Fob Swath 4
Fob Swath 5

Fob Swath 6 (LINA)
Fob Swath 7
Fob Swath 8
Fob Swath 9
Fob Swath 10

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