The Offshore Voyaging Reference Site

A Useful, But Potentially Deadly, Feature of Navigation Apps and Plotters

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—is one I use occasionally, and find useful.

But it’s also the most dangerous feature I have seen in some 15 years of using electronic navigation.

Here’s why: