WAdmiral Makarov State Maritime AcademyWBoston Seaman's Aid SocietyWBoston Seaman's Friend SocietyWCook Islands Voyaging SocietyWUnited Kingdom Hydrographic OfficeWInternational Ice PatrolWInternational Maritime ConfederationWInternational Maritime Health AssociationWMaharashtra Maritime BoardWSwedish Maritime AdministrationWUnited States Merchant Marine AcademyWNigerian Maritime Administration and Safety AgencyWOcean Prediction CenterWPolynesian Voyaging SocietyWRegional Cooperation Agreement on Combating Piracy and Armed Robbery against Ships in AsiaWWorshipful Company of ShipwrightsWTrinity House of LeithWWorld Association for Waterborne Transport Infrastructure