Ocean Navigator - March-April 2019 April 1, 2019 Ocean Navigator Staff FacebookPinterestTwitterLinkedin Captain acquitted in seaman’s manslaughter caseA judge in the U.S. Virgin Islands has acquitted a charter captain facing a charge of seaman’s manslaughter stemming from a 2015 incident where a delirious crewman jumped overboard in the Atlantic Ocean. More Florida anchorages in jeopardyThe Seven Seas Cruising Association (SSCA) has urged its members to mobilize against any new limits on overnight anchoring ahead of the upcoming legislative session in Florida. Missing sailor reappearsRenowned British yachtsman Robin Davie has arrived safely in England after a roundabout voyage from Les Sables d’Olonne, France, to Falmouth that caused him to arrive four days later than expected. Ghost boat spotted years after being abandonedThe sailboat helmed by Abby Sunderland during her failed attempt to sail around the world has been found. Highlighting the climate threatIf you trust the polls, most of us believe in climate change and appreciate the threat from rising sea levels. Help wanted at iconic SF Bay lighthouse innDaily grind got you down? Looking for a little adventure, or the chance to save a few bucks? First Aid for Hazardous Marine Life InjuriesCruising sailors are largely responsible for their own medical care unless moored in a town with a clinic. Sailing to the Edge of TimeSailing to the Edge of Time is a splendid book of nautical lore and, in its way, a profound book — a philosophical inquiry into the seductive enticement of seafaring. An ROV to call your ownOne outcome of thousands of years of human seafaring is that some of the myriad vessels involved never reached their destination. Suck it upWhen you have a mess to clean up, sometimes the best solution is to take matters into your own hands and suck it up. The perfect windSailors, true sailors, know how to grab their moments. ‘Remote’ is a relative termGreat Barrier Island, New Zealand, is only 50 to 60 nautical miles offshore of Auckland — a dense and populated place by most standards — yet the island truly feels a world apart from that big city. Drifting behemothsAs the Newfoundland coast vanished astern, we headed on a bearing directly north aboard our 52-foot aluminum sloop Kiwi Roa. Communications evolution on Brick HouseCommunications on our Valiant 40, Brick House, was once limited to a few methods. Essential marine communicationsVery high frequency (VHF) radios provide two-way communication and have a range of five to 30 miles, mostly line of sight with some bending. In search of abundant energyYears ago when I was researching and writing the first edition of my book, Boatowner’s Mechanical and Electrical Manual, I spent a great deal of time studying ways to make electrical systems more powerful and reliable.An alternator on steroidsThe first generators we developed within the Parker project were permanent magnet devices with sophisticated three-phase controllers.Generating efficiency underwayAs noted, the goal is to meet all of a boat’s electrical generating needs when the vessel is underway.Generating efficiency at anchorIf our system is the only generator on board, there will be times when a propulsion engine has to be run at anchor, in neutral, to generate electrical energy. Celestial navigation series, part 5In this installment, we’ll cover sextants and sight taking, and the corrections you’ll need to apply to your sight.The four errors in a sextantExploring collimation error, perpendicularity of the index mirror error, side error and index error.Examples of correcting a sightHere is a sample problem of sight correction. March/April Issue 253: A black cat aboard Nancy HanksMany a ship has sailed with a cat aboard. Cats were often carried on sailing ships to hunt rodents but also simply for their companionship.