Absolute lowest altitude you can fly (legally)
Alrighty.
I have been trolled.
Thank you. That which does not kill me makes me stronger.
--Walt
BT wrote:
As for sextants.. I must be an old guy then.. as I have crossed the oceans
of air, relying on the celestial realm, my trusty sextant, a good watch and
lots of math.
BT
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