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Old 22nd Apr 2019, 14:44
  #24 (permalink)  
anotheruser
 
Join Date: Jul 2012
Location: in the shadows
Age: 44
Posts: 35
Despite I very much prefer the metric system in everyday life and as much better than the imperial/nautical system it is in engineering, feet for altitude is easier to count: 1, 2, 3, 4, 5 thousand feet etc. vs. 300, 600, 900, 1200, 1500 ... metres. 100 metres vertical spacing would be too close, 500 metres would be a waste of space and still not be as easy to count as thousands of feet.

Wether it's knots or kilometres per hour doesn't make much difference, but they should use the same unit for airspeed and wind speed (and distance of course). Kilometres per hour for airspeed and metres per second for wind speed doesn't make much sense imho. Using the same unit not only helps with speed vs. distance calculations but also roughly comparing a crosswind relative to airspeed without having to think too much.
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