Oh I'm fine with plotting courses that keep me off rocks and docks and such. It's figuring out how to get to my contact without
seeing it first that's the problem.
And I haven't been able to use my durned deck gun since I got it. Nothing but hugely rough seas for the past several weeks grrr...
...although seeing the watch crew calmly peering through their binoculars while 15 feet underwater never gets old.