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In Air Traffic Management, "ATM-grade" or "ATM grade" defines a system or solution that fulfills certain requirements so that it can be used within the Air Traffic Management environment. Those requirements cover for example aspects of * reliability: certain applications require "six nines" availability. An ATM-grade solution has to offer end-to-end availability of up to at least 99,9999% availability. * well tested and documented: the European Air Traffic Management industry requires equipment to be developed according to specific standards and guidelines (e.g., ED-153〔EUROCAE (), ''ED-153 Guidelines for ANS Software Safety Assurance'', Retrieved on 5 June 2015.〕) that allow a safety certification. Therefore, an ATM-grade solution needs to be implemented according to ED-153. The term has been coined by EUROCONTROL〔EUROCONTROL (), ''Centralised Services'', 4 March 2014. Retrieved on 5 June 2015.〕 to clearly state the advanced requirements of Air Traffic Management to ensure flight safety. ==References== 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「ATM-grade」の詳細全文を読む スポンサード リンク
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