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Flight Procedure and Airspace Program office
Air Traffic Control Division
Air Navigation Services Department
Civil Aviation Bureau
Ministry of Land , Infrastructure , Transport and Tourism (MLIT)
2-1-3 Kasumigaseki , Chiyoda-ku , Tokyo ,100-8918 JAPAN
Tel : +81-3-5253-8750
Operating Hours : 10:00 – 17:00 JST Monday – Friday (except public holidays)