Start this summer weekend  with our Friday Five for July 31. This is what caught our eye this week:

Orca who carried dead calf for more than 17 days, 1,000 miles pregnant again

A hopeful sign for endangered Southern Resident Orcas – Tahlequah, the orca who carried her dead calf for 17 days and more than 1,000 miles, is pregnant again. READ MORE

Battery Installation Best Practices

Batteries can be a serious hazard, so if it is time for a refit of your boat, then it is time to take a close look at the batteries. On modern boats, nothing works without the batteries. Engines will not start or run, nor will electronics systems for navigation and communication. READ MORE

How to Manage Your Boat Battery Bank

Do you know how to manage your boat battery bank? Do you know what your boat battery bank levels normally are at different points during the day? Are you confident that your monitors are giving you the right readings? Once you’re comfortable with the batteries you have on your boat, it’s critical to gauge normal daily performance, so you can quickly troubleshoot and identify problems. READ MORE

What happens to boats too old to save? The truth about fibreglass boat disposal

PBO is passionate about restoring old boats, but what happens when they’re beyond repair? Nic Compton looks at the problem of disposal. READ MORE

“Swirls” — An Introduction to ENCs, and Why We Like Them

As you may know, at the end of 2024 NOAA discontinues producing paper charts and the associated RNC echarts. We will all be using ENC after that, both in the echart format and in the new printed ENC format, called NOAA Custom Charts, NCC. READ MORE

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