@maritimemaster: The harbour light ahead just turned from white to red, but the light never changed, you did. Learn how a sector light like this marks the approach at night, which side red and green sit on by IALA convention in Region A, and how the chart draws every sector. Save it for your next night passage. #sailing #navigation #nightsailing #yachtmaster #seamanship

Maritime Master

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Region: GB

Wednesday 23 September 2026 19:34:19 GMT