New answers tagged aeronautical-charts
27
The FAA chart user's guide says:
Hard-surfaced runways greater than 8069' or some multiple runways less than 8069'
It's the latter case of some multiple runways less than 8069'.
This is also confirmed in the post, "What is significant about the number 8069 ft?"
Specialists also place these polygons around the runway pattern of aerodromes with ...
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