by Steve Henkind, Posted November 20, 2008Chartplotters are powerful extensions of GPS technology and provide tremendous convenience, but they can get you into trouble if you’re not careful. While my focus is on vector-based plotters (digitized charts, which are the ones typically found on recreational sailboats), most of my observations also apply to raster-based (scanned charts) plotters.Scale change matters.
by Steve Henkind, Posted November 21, 2008GPS has greatly simplified certain aspects of navigation; at the mere touch of a button, a boat’s position can be determined within about 30 feet. Despite the reliability of these devices, boats are still being damaged because of navigational errors. After several decades of both navigating and teaching navigation, I’ve suffered a few close calls of my own and can recommend some ways to use your
by Sail Staff, Posted April 5, 2011It’s late at night and you’re sailing downwind in a moderate breeze. You hear a faint scream, quickly go up top to investigate and discover, to your horror, that no one is on deck. Apparently, your shipmate has fallen overboard. You hit the MOB function on the GPS, get the boat turned upwind and proceed to the approximate spot where your companion fell overboard. He is nowhere to be
by Steve Dublin, Posted June 23, 2011This story originally appeared in the December 2009 issueWe were on the return leg of our round-trip cruise from Florida to the Dominican Republic. The crew included my wife Lucy and our sailing friends, Joe and Mary Merchberger, and we had all enjoyed the beautiful countryside and friendly people of the Dominican Republic. Our sleigh ride back north had all but erased the memory
by Sail Staff, Posted March 1, 2012Everyone knows the Answering Pennant (AP or “Cat in the Hat” flag) means racing has been postponed and that the “P” flag means a standard starting sequence. But what about the “M” flag, an “N” flag over an “A” flag, or an answering pennant flying above Pennant 2?