Offshore wind farms are currently serviced using crew transfer vessels (CTVs) or helicopters for day operations, and service operation vessels (SOVs) for extended periods. Aiming to reduce costs, Ulstein has developed the SX250, described as a CAPEX-smart design that reduces building costs by over 50% compared to an SOV and supplement the SOVs on most tasks.
SOVs are the most efficient and preferred solution today for servicing offshore wind turbines, outperforming CTVs in safety, availability,...
https://www.marinelog.com/news/video-new-ulstein-sx250-is-an-offshore-wind-cost-cutter/