Visit http://www.skippertips.com for more boating safety sailing basics tips like these. Imagine that you approach a shoal-infested channel with rocks all around. What little-known technique can help confirm the GPS and boost sailing safety? Watch this sailing video to learn more. ------------------------------------------------------------------------ *NOTE: If tidal current exists, use a hand bearing compass to sail down this line of position. Steer the course necessary to maintain a constant bearing of 275 Magnetic on the object with your hand bearing compass. ------------------------------------------------------------------------ Captain John with 25+ years of experience shows you the no-nonsense cruising skills you need for safer sailing worldwide. Visit his website at https://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!