whatever their speed and direction relative to your speed and direction. is
that hard for you to understand, over the knee?

But to claim that there is "no qualitative difference between navigating" a
plane and boat just shows you have no practical experience doing either.


quite the contrary. it shows I have done both.

actually, in air nav you don't have to make as much allowance for winds,
for
the speed of the an airplane is many times the speed of the winds, for the
aircraft flights under discussion here.


Oh? How much allowance do you give for currents on these airplanes?

otn