Let’s assume that you’re up to speed on how to make a distress call to the Coast Guard in an emergency. And that you know proper VHF radio procedure, and you’re familiar with the three levels of distress calls, starting with the life- or vessel-threatening Mayday. But what happens if you’re incapacitated, or you can’t make the call yourself? Does your spouse or crew know what to do? Here’s a great reminder from the U.S. Power Squadrons on how to call for help when you need it most. Before you start a cruise, it’s a good idea to make sure…