BioBase by C-MAP Launches New Subscription Model
Egersund, Norway – C-MAP®, a leader in digital marine cartography and cloud-based mapping, announced today it has opened its BioBase™ EcoSound™ platform to include free subscriptions to qualifying organizations. Owned by Navico and operated through C-MAP, BioBase is a platform for aquatic…
Jolie Brise rescues Adriana
Jolie Brise, which is roughly translated as “nice breeze,” is perhaps one of the most famous yachts of the 20th century; more than 100 years after her launch, the vessel is still plying the waters of the Atlantic. She’s a…
September/October Issue 264: What’s a son supposed to do?
Juan Manuel Ballestero, a 47-year-old sailor, had a problem.
July/August Issue 263: Mid-ocean plague ship disaster
As we experience the disjointing of our lives during this pandemic, it is useful to put it in historical perspective.
Geographic range of a light
Lighthouse visibility is available on charts, both paper and digital, and is stated in terms of nominal range.
Celestial navigation series, part 12
In this installment, we’ll discover moon sights and how they add a useful celestial body to your arsenal. We will also look at how to use celestial navigation techniques to determine your vessel’s compass deviation.
May/June Issue 262: November shakedown to Bermuda
It was cold on the morning of Nov. 20, 2019, when Dan Torchio and his crew of two slipped the lines off Rhapsody, a Passport 47 aft cockpit cutter, departing the safe confines of Greenport, N.Y.
Celestial navigation series, part 11
In this installment, we’ll cover how to reduce a noon sight and also how to get latitude by shooting Polaris, the pole star.
March/April Issue 260: Schooner Adix
Residents of Greenport, N.Y., a small maritime village on the northeast end of Long Island, have been watching all sorts of sailing ships come and go over the past couple hundred years.
Celestial navigation series, part 10
In this installment, we’ll cover how to reduce a planet sight; we’ll include a step-by-step breakdown of how to reduce star and planet sights, and we will also include a star sight problem to solve as a way to review what you learned in the last installment.
Review problem: Star sight
In this problem, you'll need to reduce the sight and plot the LP.
