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Vessel A has vessel B on her own port side (relative bearing PORT 053°)

  • 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 and vessel B are crossing so as to involve risk of collision
    Vessel A has vessel B on her own port side (relative bearing PORT 053°)
  • Rule(s) to be applied: Rule 15 (Crossing situation)
  • Applying the Rule(s) and comments: In accordance with Rule 15 (Crossing situation), when two power-driven vessels are crossing so as to involve risk of collision, the vessel (vessel B) which has the other (vessel A) on her own starboard side shall keep out of the way.
    In accordance with Rule 15 (Crossing situation), vessel B shall, if the circumstances of the case admit, avoid crossing ahead of the vessel A.
    Comments:
    Crossing situation shall be deemed to exist when a vessel is approaching the other vessel from a direction right ahead to 112,5° on any side of the vessel except when vessels are meeting on reciprocal or nearly reciprocal courses.
    In crossing situation at night a vessel would be able to see only green or red sidelight and masthead light (s) of the other vessel.

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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.