Yeddo redirects here. For a town in Indiana, USA, see Yeddo, Indiana. Edo (æ±æ¸, bay-entrance or estuary), also romanized as Jedo, Yedo or Yeddo, is the former name of Tokyo. It was the seat of power for the Tokugawa shogunate, which ruled Japan from 1603 to 1868.
International Civil Aviation Organization (ICAO) Adopt best practices and regulations for international air navigation and transport. The International Civil Aviation Organization (ICAO) creates regulations for aviation safety, security, efficiency and regularity and environmental protection. The organization also regulates operating practices and procedures covering the technical field of aviation.
ICAO Regional Planning Groups are responsible for the establishment of Regional Monitoring Agencies in areas that have implemented Reduced Vertical Separation Minima (RVSM); that is the reduction in vertical separation between FL 290 and FL 410 from 2,000 ft to 1,000 ft.