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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 List of Class C airports in the United States ： ウィキペディア英語版 List of Class C airports in the United States Class C is a class of airspace in the United States which follows International Civil Aviation Organization (ICAO) air space designation. Class C airspace areas are designed to improve aviation safety by reducing the risk of mid-air collisions in the terminal area and enhance the management of air traffic operations therein.〔(FAA Order JO 7400.2G, Procedures for Handling Airspace Matters ), effective 2010-04-08 (with changes), accessed 2010-11-04〕 Class C airspace protects the approach and departure paths from aircraft not under air traffic control. All aircraft inside Class C airspace are subject to air traffic control. Traffic operating under VFR must be in communication with a controller before entering the airspace. The airspace is similar to Class B's "upside-down wedding cake", but much smaller and simpler. The innermost ring typically extends from the surface area around the airport to AGL (above ground level), with a radius of ; and an outer ring typically surrounds the inner ring and extends from a floor at AGL, to the ceiling at AGL, with a radius of ; these dimensions are sometimes highly customized when deemed necessary by taking into account surrounding airspace design (e.g. presence of nearby Class B, etc.). As of April 2014, there are 122 Class C airports in the United States (counting NAS Whiting Field as 2 different airports).〔〔(Airspace Amendments to FAA Order JO 7400.9X ), accessed 2014-04-15〕〔There is also a piece of Vancouver Class C located within United States airspace, but it's not associated with any US Class C airport, and so it's not relevant to this list.〕 The following list of Class C airports is sorted by state/territory and IATA Airport Code/ICAO Airport Code.〔(FAA order JO 7400.9X, Airspace Designations and Reporting Points ), effective 2013-09-15, accessed 2014-04-15〕 ==United States== 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「List of Class C airports in the United States」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.