Danish offshore wind installation services firm Cadeler has ordered its second F-class vessel, a hybrid design allowing the vessel to convert from being a foundation installation unit to a wind turbine generator installation vessel within a short period of time.This is the sixth vessel that Cadeler will have in its fleet, tripling its number of vessels.Cadeler is currently building two X-class as well as an F-class vessel, which are set to be delivered from the second half of 2024 on. The new F-class vessel is expected to be delivered in the second half of 2026.