In my last article on electronic navigation I expressed a preference for TimeZero—best on a computer, second best on an iPad—over Navionics Boating.
That said, there is one feature of the latter I like and have used a lot: autorouting. Also known as dock-to-dock, or whatever the particular app or plotter company decided to call it—a feature that automatically draws a route after I enter a start and end point.
But I also know that it is, at least potentially, the most dangerous feature I have seen in some 10 years of using electronic navigation.
Here's why:
