There are many signs, symbols, and flares to know about while boating, and an orange flag with a black square and circle is ...

Add Yahoo as a preferred source to see more of our stories on Google. We've all been there. You show up at a beach, and there's a colored flag, sometimes more than one, fluttering in the wind. The ...

In the days before radio or other electronic communication, sailors used a code of brightly colored flags to communicate with each other from afar. For many years, different parts of the world had ...