Diagram B shows a three-boat situation that can occur on a beat to windward. In a PHRF race, Lionel and Winnie are sailing keelboats with overlapping ­genoas set. They are on starboard tack.

That’s your sign to tack onto port and get out early (Diagram 3). The boats lined up to windward are in a comfortable sailing lane and are in a huge lift, which makes it a pretty hard decision ...

The Sailing GPS displays your tacking angles in a diagram and in degrees for each heading, but is not intended to replace a chartplotter. Nevertheless, even fully-equipped cruising yachts will not ...