Sultan of Selangor Sultan Sharafuddin Idris Shah has officiated the Marine Department's Light Dues Tower at its headquarters in Port Klang. br br Speaking at the ceremony on Thursday (Aug 14), Transport Minister Anthony Loke said the 12-storey tower houses a Vessel Traffic Service (VTS) centre that meets international standards set by the International Association of Marine Aids to Navigation and Lighthouse Authorities (IALA).