CSL OWL Launches First Subsea Rock Installation Vessel (Video)

CSL OWL launched Rock Star, the first of two purpose-built subsea rock installation vessels, for offshore wind work.

• Carries up to 17,500 t of rock; installs at 2,000 t/h in water depths to 100 m
• 166.8 m long, 40 m wide, ~21,000 t deadweight, Dutch-flagged with Bureau Veritas class
• DP2, dual-fuel MGO/methanol engines, accommodation for 45 (expandable to 60)
• Steel cut 12 Sep 2025; second newbuild in pipeline