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翻訳と辞書　辞書検索 [ 開発暫定版 ] スポンサード リンク Airway beacon ： ウィキペディア英語版 Airway beacon An airway beacon is a rotating light on a tower once used extensively in the United States for visual navigation by airplane pilots along a specified airway corridor. Approximately 1,500 airway beacons were constructed to guide pilots from city to city,〔(【引用サイトリンク】url=http://surveymarks.planetzhanna.com/airway_beacons_east.shtml )〕〔(【引用サイトリンク】url=http://surveymarks.planetzhanna.com/airway_beacons_west.shtml )〕 covering . Most of the beacons are gone, but Montana continues to maintain several in mountainous terrain. One is preserved in Saint Paul, Minnesota at the Indian Mounds Park on a bluff overlooking the Mississippi River. Recently the beacon at Grants, New Mexico was restored using original items found at other nearby sites.〔 At least one beacon to be fully restored as a local museum.(beacon buildings )〕 Many of the concrete arrows are visible from satellite pictures, even in urban settings.〔Aviation Navigation Arrows in Washington County, Utah()〕 ==Light characteristics== An airway beacon has two distinct light characteristics: A revolving narrow white light beam about 5 degrees wide in azimuth and a set of fixed colored course lights of about 15 degrees width. 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Airway beacon」の詳細全文を読む スポンサード リンク 翻訳と辞書 : 翻訳のためのインターネットリソース Copyright(C) kotoba.ne.jp 1997-2016. All Rights Reserved.