COLREG Sounds: Ship Whistles — ASO

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Rules 32-37 lessons & quiz

COLREG Sounds teaches you the sound signals of the International Regulations for Preventing Collisions at Sea (COLREG 72): what each blast means, what it sounds like and when it is used. Built for maritime students and professionals, skippers, recreational sailors and anyone who wants to understand the language of whistle signals at sea. LEARN • Lessons on Rules 32 to 37: definitions, equipment for sound signals, manoeuvring and warning signals, signals in restricted visibility, signals to attract attention and distress signals. • Figures and diagrams of every manoeuvre that you can enlarge t…

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