Edda Fonn

Type of vessel:  ROV & DSV
Design:  ST-253

84.7 m ROV Survey Vessel for owner Østensjø Rederi AS


"Edda Fonn", designated ST-253, is a purpose built ROV Survey Vessel built at Myklebust Verft AS, Norway, yard no. 36 for owner Østensjø Rederi AS, Norway. It was delivered in 2003.

The vessel is specially designed for operation under severe weather conditions and with high maneuverability and station keeping capabilities.

The vessel is outfitted and prepared for the following duties:

  • ROV operations like pipeline / route surveys
  • Sub-sea installation works
  • Geo-technical surveys
  • Light construction works
  • Crane operations

Main Characteristics

Length over all  84.70 m
Length between p.p.  75.00 m
Breadth moulded  18.00 m
Depth to main deck  9.10 m
Max draft  approx. 6.80 m
DWT at SWL / 6.80 m  approx. 2350 tons
Deck area aft of hangar  700 m2
Speed at 5.5 m draft  approx. 15.5 knots
Gross tonnage  4505 tons
Speed  14 knots
Accommodation  60 pers + hospital
IMO  9273662