洋上経路の横間隔短縮の効果

概要

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This paper presents economic evaluation of reduced lateral separation form 50 NM to 30 NM on eastbound PACOTS (Pacific Organized Track System). We calculate optimum lateral separated routes with consideration of upper wind condition. We estimate flight time and fuel consumption of 3 routes form Tokyo to West coast of America and 2 routes from Tokyo to Hawaii. Lateral separation of 50 NM and 30 NM are compared. Latitude grid point resolution of 1 degree and 1/6 degree are also compared. The average flight time is shortened by 1.4 min (2.4 min at the maximum) at reduced lateral separation from 50 NM with 1 degree resolution to 30 NM with 1/6 degree resolution. The average fuel is saved by 490 lbs (980 lbs at the maximum) at reduced lateral separation from 50 NM with 1 degree resolution to 30 NM with 1/6 degree resolution. Latitude grid point resolution of 1/6 degree is effective when reduced lateral separation from 50 NM to 30 NM is introduced.
社団法人日本航海学会の論文
2006-03-25