Originally Posted by
SongMan
So if examiner or a CFI asks their student to find a ground speed in flight using E6B(no GPS), how do you find the wind to reference in order to get the GS?
Is winds aloft what you use even in flight to get ground speed? or is there another methoed to get current winds?
Thanks!
You could use 'CTR Flight Following' to tell you your ground speed - but I digress

I thought you figured groundspeed back in the day by timing between two known points on your x/c for example. This thread will probably prodcue a plethra of good techniques!
USMCFLYR