PPRuNe Forums - View Single Post - At what FL should you see the curvature of the earth?

11th Nov 2002, 14:45

#9 (permalink)

rob_frost

Join Date: Jun 2000

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Yeah, your answers come out about right.

If you want to use any unit, this formula is more useful

d=sqr of (h^2 + 2rh) (just draw some triangles to get it)

Where
d=distance to horizon
h=height of viewpoint
r=radius of earth = 6371km