英语词汇“appropriate obstacle/terrain clearance altitude”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

单词	appropriate obstacle/terrain clearance altitude
释义	appropriate obstacle/terrain clearance altitude appropriate obstacle/terrain clearance altitude A specified minimum published altitude that must be flown by an aircraft to ensure safe flight over an obstruction or specified terrain. These include minimum IFR (instrument flight rules) altitude (MIA), minimum en route altitude (MEA), minimum obstacle clearance altitude (MOCA), and minimum vectoring altitude (MVA). The illustration shows the way MEAs are depicted on en route charts.
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