A+ A A-
A vessel nearing a bend or an area where other vessels may be obscured by intervening obstruction

A vessel nearing a bend or an area where other vessels may be obscured by intervening obstruction

  • Description of scenario: Vessel A: power-driven vessel
    Vessel B: power-driven vessel
    Area: Narrow channel
    Vessel A and vessel B are nearing a bend or an area of a narrow channel or fairway where other vessels may be obscured by intervening obstruction
  • Rule(s) to be applied: Rule 9 (Narrow channels )
    Rule 34 (Manoeuvring and warning signals)
  • Applying the Rule(s) and comments: In accordance with Rule 9 (f) (Narrow channels ), a vessel (Vessel A and Vessel B) nearing a bend or an area of a narrow channel or fairway where other vessels may be obscured by an intervening obstruction shall navigate with particular alertness and caution and shall sound the appropriate signal prescribed in Rule 34 (e) (Manoeuvring and warning signals).
    In accordance with Rule 34 (e) (Manoeuvring and warning signals), a vessel (Vessel A and Vessel B) nearing a bend or an area of a narrow channel or fairway where other vessels may be obscured by an intervening obstruction shall sound one prolonged blast.
  • Bird’s-eye view:

    © Transas Marine International

  • Bridge view (from vessel A):

    © Transas Marine International

  • Radar screen view (on vessel A):

    © Transas Marine International

  • ECDIS view:

    © Transas Marine International

back to top

Advanced COLREGs Course - Visit our advanced course for complex multi-rule and multi-ship scenarios!

Improve your Maritime English, assess your level of knowledge and obtain a completion certificate
for free! ENTER

Prac-MARENG



This project has been funded with support from the European Commission.This publication reflects the views only of the author, and the Commission cannot be held responsible for any use which may be made of the information contained therein.