青森空港の積雪によるグライドパス空間誤差特性

概要

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The CategoryIII ILS operation is less dependent on visibility and weather conditions, and allows smooth operation at the airport. It has been in service at Kushiro, Kumamoto and Narita Airport. The present problem for extending the capability of Aomori airport to CATIII conditions is that Aomori Airport has the heaviest snowfall in Japan. The snowfall affects the reflection coefficient at the reflection plane in front of Glide Path (GP) antenna. Under JAXA's cooperation, we conducted flight tests with snowfall to find a basic prediction accuracy of GP observation system and snow removing regulation for CATIII on GP reflection plane. This paper discusses basic prediction accuracy of the GP observation system in comparison to the flight test data, and makes clear the effects of three dimensional surface configuration and the multiple snow layers on the GP reflection plane.
社団法人日本航海学会の論文
2005-03-25