A+ A A-

Vessels are meeting on nearly reciprocal courses (vessel A has vessel B on STBD bow)

  • Description of scenario: Vessel A: power-driven vessel
    Vessel B: power-driven vessel
    Area: On the high seas
    Visibility: Good (Vessels in sight of one another)
    Vessel A is meeting vessel B on nearly reciprocal courses so as to involve risk of collision
    Vessel A has vessel B nearly ahead on STBD bow
  • Rule(s) to be applied: Rule 14 (Head-on situation)
  • Applying the Rule(s) and comments: In accordance with Rule 14 (b) (Head-on situation), head-on situation shall be deemed to exist when a vessel (vessel A) sees the other (vessel B) nearly ahead and by night she could see the masthead lights of the other nearly in a line and/or both sidelights and by day she observes the corresponding aspect of the other vessel.
    In accordance with Rule 14 (c) (Head-on situation), when a vessel is in any doubt as to whether such a situation exists she shall assume that it does exist and act accordingly.
  • Bird’s-eye view:

    © Transas Marine International

  • Bridge view (from vessel A):

    © Transas Marine International

  • Radar screen view (on vessel A):

    © Transas Marine International

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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.