Now why would you want a birds eye view of the rock you're going to hit? Much better to just hit the thing and knock it out of your way! yep that is true. Or is it so your boat can have the pleasure of being the one that "HAS gone aground" vs "Going to go aground"
Ok enough silliness on my part.
Somehow I have always liked Jones island in the san juans, and spencer spit.
She drives me boat,
I drives me dinghy!