,,@id,dct:description,rdf:type,rdfs:label,skos:notation L,Aeronautical quantity kinds,,"The greater of:(a) The greatest distance at which a black object of suitable dimensions, situated near the ground, can be seen and recognized when observed against a bright background;(b) The greatest distance at which lights in the vicinity of 1000 candelas can be seen and identified against an unlit background.",qudt:SpaceAndTimeQuantityKind|qudt:QuantityKind|skos:Concept,Aeronautical visibility,aeronauticalVisibility