All rules
    Part D, Sound and light signals

    Rule 35, Sound signals in restricted visibility

    Plain English

    Specifies the fog signals for vessels underway, stopped, at anchor, aground, towing, fishing and restricted in their ability to manoeuvre.

    Want to actually pass the exam?

    Definitions are the easy bit. Amidships drills you on application, scenario quizzes, mock orals, examiner-style follow-ups, and a daily plan tied to your exam date.

    Start free

    Amidships is an independent study tool and a trading name of The Maritime Consultancy Ltd (Company No. 13436865), registered in England and Wales. Content is based on publicly available syllabuses and the STCW Convention. Always verify with current official publications before examination. Amidships does not issue certificates or qualifications, including STCW certificates, which are issued only by approved training centres.