For the replacement of a subsea positioned sensor at Luchterduinen Offshore Windfarm C-Ventus was awarded early July a contract by Van Oord. The operation was executed by divers. Acta Marine’s vessel COASTAL WORKER was chartered by C-Ventus and after arrival in the port of IJmuiden the dive spread was mobilized on July 9th. Vessel ZWERVER III assisted with anchor handling activities. Due to strong cooperation of all parties the offshore operation was completed in two days followed by demobilization.