Did you know that some lights or lighthouses carry "red warning" sectors to help you navigate clear of shoals and obstructions. These are some of the best friends the sailor can have. Indeed, this single little-known aid-to-navigation could keep you from grounding. Watch this sailing skills video to learn more! Captain John with 25+ years of experience shows you the no-nonsense cruising skills you need for safer sailing worldwide. Visit his website at http://www.skippertips.com and sign up for his highly popular Sailing Tip of the Week. Discover how you can gain instant access to hundreds of sailing articles, videos, FREE e-Books and much more!