…Lighthouses are also a type of navigational aid, and are a typical night beacon. They have strong international ties, and the International Association of Aids to Navigation (IALA) and the International Hydrographic Organization (IHO) are discussing the standardization of their content as much as possible internationally. In Japan, they are managed by the Japan Coast Guard in accordance with the Navigational Aids Act. Navigational aids have a long history, and the Pharos Lighthouse, a 60m-tall stone tower built on Pharos Island in Egypt around 279 BC, is extremely famous. … *Some of the terminology that mentions "IALA" is listed below. Source | Heibonsha World Encyclopedia 2nd Edition | Information |
…灯台も航路標識の一種で,夜標の代表的なものである。国際的な関連が強く,国際航路標識協会(IALA)および国際水路機関(IHO)において国際的に極力内容を統一するよう協議しており,日本では航路標識法に基づき海上保安庁が管理している。 航路標識の歴史は古く,前279年ころエジプトのファロス島に建設された高さ60mの石積塔のファロス灯台はきわめて有名である。… ※「IALA」について言及している用語解説の一部を掲載しています。 出典|株式会社平凡社世界大百科事典 第2版について | 情報 |
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