Ocean Navigator - September-October 2019

Rogue AIS units

Along with GPS, one of the biggest advances in marine electronics has been the automatic identification system (AIS), which has made collision avoidance a much easier proposition.

Glassing Windora

“Not possible! In one day? If you think you are going to do that, I want to be there.” So Mick, a professional boatbuilder, joined 19 other friends at 8 a.m. one autumn morning to put two layers of 650-gram, double-bias cloth onto the upright hull of our full-keel, 43-foot wooden ketch Windora.

Atlantic tropical cyclone development

It’s late summer and time for the leery eye to glance toward a rectangle in the North Atlantic, its west flank running from Florida southeast to the Lesser Antilles, the eastern flank along the northwestern African coast, their ends linked by latitudes of about 5° and 20° N.

Safety rests on preparation

While cruising near Valdez, Alaska, aboard our full-time home, Salish Aire, a 1996 Nordhavn 46, we had a chance to appreciate the advantages of emergency open-radio communications when we responded to a life-threatening emergency aboard a neighboring boat.