Originally Posted by GrummanPilot
I'm surprised no one has mentioned what I find is the best thing about COG (course over ground) up.
It lets me easily see how the currents are affecting the vessel. Especially in unfamiliar waters.
Hmmm, it might be easier for you to see it that way, but I doubt there are many plotters out there than can't perform set/drift calculations in a North Up mode, as well...