@base <http://semantics.aero/icao-region>.

@prefix rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#>.
@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#>.
@prefix owl: <http://www.w3.org/2002/07/owl#>.
@prefix dc: <http://purl.org/dc/elements/1.1/>.
@prefix skos: <http://www.w3.org/2004/02/skos/core#>.
@prefix ir: <http://semantics.aero/icao-region#>.

<http://semantics.aero/icao-region> rdf:type owl:Ontology;
	dc:title "ICAO Region";
	dc:version "1.0.0";
	dc:description "A classification of geographical regions as defined by the International Civil Aviation Organization (ICAO).";
	dc:creator "Charles Chen";
	dc:publisher "OGC Testbed 13";
	dc:source "http://docs.opengeospatial.org/per/17-036.html";
	dc:source "<a href=\"https://transcontrol.tj/Doki/ICAO_docs/Doc%208144/8144_6ed.pdf\">Appendix 1 to the Directives to Regional Air Navigation Meetings and Rules of Procedure for their Conduct (Doc 8144-AN/874)</a>";
	dc:issued "2017-09-21";
	skos:editorialNote "The source of this taxonomy is OGC Testbed 13 <a href=\"http://semantics.aero#ref-2\">Geospatial Taxonomies Engineering Report</a>. It has been modified to support a uniform approach adopted for semantics.aero";
	dc:format "RDF".

ir:icao-region a skos:Concept;
	skos:prefLabel "ICAO Region";
	skos:altLabel "ICAO Location Indicator";
	skos:definition "A specified geographical area, defined as an ICAO air navigation region.";
	skos:narrower ir:afi;
	skos:narrower ir:asia;
	skos:narrower ir:car;
	skos:narrower ir:eur;
	skos:narrower ir:mid;
	skos:narrower ir:nam;
	skos:narrower ir:nat;
	skos:narrower ir:pac;
	skos:narrower ir:sam.

ir:afi a skos:Concept;
	skos:prefLabel "AFI";
	skos:altLabel "Africa-Indian Ocean Region";
	skos:definition "The area embracing Africa and associated oceanic areas and land masses between 25°W and 75°E and south to the South Pole.".

ir:asia a skos:Concept;
	skos:prefLabel "ASIA";
	skos:altLabel "Asia Region";
	skos:definition "The area south of the Asian part of the USSR territory, and embracing Pakistan, Japan and New Zealand, and associated oceanic areas and land masses eastward from 75 degrees E to 175 degrees W, to the South Pole.".

ir:car a skos:Concept;
	skos:prefLabel "CAR";
	skos:altLabel "Caribbean Region";
	skos:definition "The area embracing Mexico, Central America, the Bahamas and the West Indies.".

ir:eur a skos:Concept;
	skos:prefLabel "EUR";
	skos:altLabel "European Region";
	skos:definition "The area embracing Europe and the Asian part of the USSR territory, north to the North Pole, and including Turkey.".

ir:mid a skos:Concept;
	skos:prefLabel "MID";
	skos:altLabel "Middle East Region";
	skos:definition "The area embracing that part of Asia west of Pakistan, but excluding Turkey and USSR territory.".

ir:nam a skos:Concept;
	skos:prefLabel "NAM";
	skos:altLabel "North American Region";
	skos:definition "The area embracing the United States and Canada and north to the North Pole.".

ir:nat a skos:Concept;
	skos:prefLabel "NAT";
	skos:altLabel "North Atlantic Region";
	skos:definition "The North Atlantic area not covered by the NAM, CAR, SAM, EUR and AFI Regions, and north to the North Pole.".

ir:pac a skos:Concept;
	skos:prefLabel "PAC";
	skos:altLabel "Pacific Region";
	skos:definition "The Pacific area not covered by the NAM, CAR, SAM and ASIA Regions, and south to the South Pole.".

ir:sam a skos:Concept;
	skos:prefLabel "SAM";
	skos:altLabel "South American Region";
	skos:definition "The area embracing South America and the associated oceanic areas and land masses between 25 degrees W and 90 degrees W and south to the South Pole.".