@base . @prefix rdf: . @prefix rdfs: . @prefix dc: . @prefix skos: . @prefix aw: . @prefix owl: . rdf:type owl:Ontology; dc:title "US Airways"; dc:version "1.0.0"; dc:description "A classification of US Airways based on airway identification prefixes."; skos:editorialNote "The source of this taxonomy is OGC Testbed 13 Geospatial Taxonomies Engineering Report. It has been modified to support a uniform approach adopted for semantics.aero"; dc:creator "Charles Chen"; dc:publisher "OGC Testbed 13"; dc:source "http://docs.opengeospatial.org/per/17-036.html"; dc:issued "2017-09-21"; dc:format "RDF". aw:airways-prefix a skos:Concept; skos:prefLabel "US Airways Prefix"; skos:altLabel "US Airway"; skos:definition "An airway identification prefix whose format is determined based on High/Low Altitude VOR stations and High/Low Altitude RNAV Routes."; skos:narrower aw:V; skos:narrower aw:J; skos:narrower aw:T; skos:narrower aw:Q. aw:V a skos:Concept; skos:prefLabel "V"; skos:definition "Low altitude airways below 18,000 feet (5,500 m) MSL based on VOR stations. Also known as VICTOR airways. Indexed with the letter V". aw:J a skos:Concept; skos:prefLabel "J"; skos:definition "High altitude airways from 18,000 feet (5,500 m) MSL to FL450 based on VOR stations. Also called JET routes. Indexed with the letter J". aw:T a skos:Concept; skos:prefLabel "T"; skos:definition "Low Altitude RNAV Routes, indexed with the letter T". aw:Q a skos:Concept; skos:prefLabel "Q"; skos:definition "High altitude RNAV route, indexed with the letter Q".