WAmerican Power Boat AssociationWAutomatic identification systemWBuoyWChanges in safety practices after the sinking of the TitanicWChesapeake Bay Interpretive Buoy SystemWEngine departmentWEngine officerWEuropean Maritime Safety AgencyWFlareWInternational Code of SignalsWInternational Convention on Load LinesWInternational Mobile Satellite OrganizationWList of traffic separation schemesWMarine Department (Hong Kong)WMarine Operations ForceWMarine RegionWMaritime and Port Authority of SingaporeWMaritime Safety and Security TeamWMaritime Security AgencyWMuster drillWNorth American Safe Boating CampaignWPersonal flotation deviceWPort of Hong KongWPowerboat South AfricaWSpecial Task and RescueWUNGERINWWatchkeeping
W
W
W
W
W
W
W
W
W
W
W
W
W
W
W
W
W
W
W
W
W
W
W
W
W
W