About HIRABAYASHI HIROKO
About FUKUSHIMA SACHIKO
About OKADA KAZUMI
About 電子航法研究所報告
About air traffic control
About North Pacific Ocean
About flight path
About time
About improvement of efficiency
About flight simulation
About traffic assignment
About spacing
About operation(transportation)
About control area
About air traffic control interval
About improvement of fuel efficiency
About flight time
About PACOTS
About UPR【経路】
About Air traffic control,air navigation facilities
About トラック
About UPR
About 運用
About 制限
About 緩和