關於「ICAO location indicator」標籤，搜尋引擎有相關的訊息討論：

ICAO airport code - Wikipediaen.wikipedia.org › wiki › ICAO_airport_codeList of airports by IATA airport code: G - Wikipediaen.wikipedia.org › wiki › List_of_airports_by_IATA_airp...International Civil Aviation Organization airport code - GIS Wikiwiki.gis.com › wiki › index.php