Rules in this Section apply to vessels in sight of one another.
All topics
Rule 11 – Application (Conduct in Sight)
Plain-language COLREGS reference with the complete rule text and practical clause breakdown.
In the Navitime app
This is just a fraction of what the app offers
Download Navitime free on iOS and Android for the full Advanced Navigation book collection, adaptive quizzes, flashcards, and mock exams — all fully offline.