EntityQ787078· pop 8· linked from 299 articlessector lightSign in to saveartificial pilotage and position fixing aid emitting light beamsConnectionsport and starboardEntityInternational Organization for Marine Aids to NavigationEntityNorwayCountryBritish ColumbiaEntityInternational Standard Book NumberEntitylighthouseEntityOCLC, Inc.EntityDiego GarciaConceptFresnel lensEntitylightvesselEntitygeopositioningEntityfoghornEntityTrue northEntityArgand lampEntitysea markEntitylight characteristicEntitylighthouse keeperEntityUnited Kingdom Hydrographic OfficeEntitymaritime pilotageEntityKapellskärEntityCategoriesLighthousesMaritime signallingNavigation