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by gaius_baltar
1386 days ago
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> Imperial units (specifically, feet) are dominant in aviation to measure flight altitude. Despite a recommendation of ICAO to use SI units since 1979, only China, Mongolia and a few former-USSR countries (not Russia) use metres to define flight levels. [0] Notice that before the end of WW2, continental European aviation was metric too.
For this reason, the instrument panel from a Messerschmidt BF-109 is almost readable for a layperson: https://live.staticflickr.com/3746/14275081012_1f74be13b4_4k... |
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