An Offshore Construction and Well Intervention Vessel of the ULSTEIN SX121 design. The 25-metre wide and 120-metre long vessel can accommodate 100 persons. The vessel is fitted with a tower for module handling, moonpool, ROV hangar, offshore crane, helipad, and a diesel-electric propulsion system.
The vessel was completed on time from ULSTEIN in the fourth quarter of 2010. The vessel was originally contracted by the shipping company Marine Subsea, which could not to take delivery of her after completion. The name painted on the side of the vessel was 'Karianne', but a naming ceremony was never held. On 20 May 2011, Ulstein Verft sold the vessel to Island Offshore, and the name became 'Island Intervention'.
2016: Still active - IMO 9460095
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Ulstein Verft AS
Established 1917. The company builds and delivers special-purpose vessels mainly targeting offshore energy. Typical projects involve the construction of advanced vessels with a high degree of outfitting, which requires project management expertise, technical know-how and system integration capabilities. Certified according to ISO 9001:2015 (Quality) and ISO 14001:2015 (Environment)