The vessel was carrying nine blades at the time the Fred. Olsen Windcarrier WTIV, caught by wind during a harbour manoeuvre, drifted into Cadeler's moored WTIV Wind Keeper and the dockside in the Port of Esbjerg. The Danish Maritime Authority detained Brave Tern for inspections and damage assessment, and RWE confirmed no injuries but has not disclosed any impact on the Thor offshore wind farm construction schedule.