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Sound signals when altering course to port

  • Description of scenario: Vessel A: Power-driven vessel underway , when manoeuvring
    Vessels are in sight of one another
  • Rule(s) to be applied: Rule 34 (Manoeuvring and warning signals)
  • Applying the Rule(s) and comments: In accordance with Rule 34 (a) (Manoeuvring and warning signals), a vessel altering its course to port (vessel A) shall indicate that manoeuvre by two short blasts on her whistle.
    In accordance with Rule 34 (f) (Manoeuvring and warning signals), if whistles are fitted on a vessel at a distance apart of more than 100 m, one whistle only shall be used for giving manoeuvring and warning signals.
  • Signals:

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