| Ministry of Land, Infrastructure and Transport (MLIT) | https://www.mlit.go.jp/ |
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| MLIT East Civil Aviation Bureau (ECAB) | https://www.cab.mlit.go.jp/tcab/ |
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| MLIT West Civil Aviation Bureau (WCAB) | https://www.cab.mlit.go.jp/wcab |
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| National Institute of Maritime, Port and Aviation Technology | https://www.enri.go.jp/ |
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| Ministry of Economy, Trade and Industry (METI) | https://www.meti.go.jp/ |
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| Ministry of Internal Affairs and Communications (MIC) | https://www.soumu.go.jp/ |
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| International Civil Aviation Organization (ICAO) | https://www.icao.int/Pages/default.aspx |
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| US Federal Aviation Administration (FAA) | https://www.faa.gov/ |
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| European Aviation Safety Agency (EASA) | https://www.easa.europa.eu/light |
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| International Air Transport Association (IATA) | https://www.iata.org/ |
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| Radio Technical Commission for Aeronautics (RTCA) | https://www.rtca.org/about/ |
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| European Organization for Civil Aviation Equipment (EUROCAE) | https://www.eurocae.net/ |
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