Observed arrival · 2026-09-06
Maregola turns maritime collision rules into a bridge-side study guide
A plain-English reference to all 38 COLREGs, with examples, navigation-light diagrams, sound signals, multilingual versions, and 118 flashcards.
Field notes
The site divides the rules into operational situations, including clear-weather encounters, restricted visibility, lights and shapes, sound signals, and exemptions. Its rule pages pair the convention wording with a plain-English explanation and a concrete sea example. The homepage also identifies 118 flashcards for spaced-repetition study, playable whistle, bell, and gong signals, and navigation-light views drawn from three angles. Language options include English, Russian, Spanish, Portuguese, German, French, Italian, and Turkish.
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Editorial observations of this landing page, not a rating.
One card from the complete issue