Boat Navigation Lights Explained: Red, Green, White & What to Show
Navigation lights aren't there so you can see — they're a sentence you write to another boat. What the red and green lights mean, why the arcs are 112.5°, 225° and 135° (they tile a circle), the visibility ranges by boat length, exactly what to show under power, under sail and at anchor, and the five mistakes made by boats whose lights are working perfectly.
July 29, 2026