Aluminum sailboat. Dalu 47 second-hand sailboat, designed by Joubert-Nivelt Design and built by the Meta Naval Shipyard, is a pure expedition sailboat. Solid, divided sails, indoor hydraulic wheel steering, a must-have..Available to view by appointment, please contact Christophe Buhot or Philippe Froment. Port Navy Service is the largest dry dock in Europe. Located in the Mediterranean on 23 hectares, it offers 1500 spaces, 120 tons of lifting capacity, and 35 years of experience at your service.