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| 最低安全高度 (除区域导航仪表进近程序外，在仪表进近程序图上紧急使用公布的最低安全高度。由于高地或其他障碍物的出现，在这个高度之下飞行是很危险的。最低安全高度是采用无方向信标或甚高频全向无线电信标设备在25n mile“通常”或30n mile“最大”半径范围内而定义的。如果在机场周向30n mile 内没有甚高频无线电信标或无方向信标，将没有最低安全高度。所示的最低安全高度，在指定区段内的最高障碍物之上，提供至少1000ft 的间隔) | |||
| 最低安全高度 | |||
| English thesaurus | |||
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| An altitude depicted on approach charts that provides at least 1000 ft of obstacle clearance for use within a specified distance from the navigation facility upon which a procedure is predicated | |||
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minimum safe altitude : 8 phrases in 2 subjects |
| Aviation | 6 |
| Electronics | 2 |
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