Colregs Questions and Answers (Q & A)

Rule 13

Overtaking

The answers can be found in the respective Rules and Paragraphs in the book"International Regulations for Preventing Collisions at Sea (Colregs) by Capt. Pierre Deseck and/or in the Colregs Presentation (on DVD), also by Capt. Pierre Deseck

Q = Question; A= Answer

Q 13-1
When a vessel is overtaking another vessel, which vessel must keep out of the way ?

A 13-1
Rule 13 (a) and Par. 13.1, Rule 13 is exclusive.
Click on overtaking for a summary
Click on power-driven vessel overtaking on Starboard side for an animation
Click on power-driven vessel overtaking on Port side for an animation
Click on sailing vessel overtaking for an animation


Q 13-2
Comment the statement “Notwithstanding anything contained in the Rules of Part B, Sections I and II, any vessel overtaking …..” made in Rule 13, (a).

A 13-2
Rule 13 (a) and Par. 13.1, Rule 13 is exclusive.


Q 13-3
When is a vessel considered as being overtaking ?

A 13-3
Rule 13 (b) and Par. 13.2, When is a vessel overtaking ?
Click on when overtaking for a summary


Q 13-4
How can one assess that a vessel is more than 22°5 abaft the beam of another vessel ?

A 13-4
Rule 13 (b) and Par. 13.3, When is a vessel more than 22.5 degrees abaft the beam of another vessel ?
Click on when overtaking for a summary


Q 13-5
What action must an overtaking vessel take in case she doubts whether she is overtaking or not ?

A 13-5
Rule 13 (c) and Par. 13.3, When is a vessel more than 22.5 degrees abaft the beam of another vessel ?
Click on when overtaking for a summary


Q 13-6
Make a drawing with the different sectors around a vessel.

A 13-6
Par. 13.3, When is a vessel more than 22.5 degrees abaft the beam of another vessel ?, Figure 13.3.


Q 13-7
How can you assess with certainty on the vessel being overtaken that another vessel is overtaking ?

A 13-7
Par. 13.3, When is a vessel more than 22.5 degrees abaft the beam of another vessel ?, third paragraph.


Q 13-8
When does Rule 13 don’t apply ?

A 13-8
Par. 13.3, When is a vessel more than 22.5 degrees abaft the beam of another vessel ?, fourth and fifth paragraph.


Q 13-9
How should the overtaking vessel act to avoid risk of collision ?

A 13-9
Rule 13 and Par. 13.4, Action to be taken by the overtaking vessel, first, second and third paragraph.
Click on action by overtaking vessel for a summary


Q 13-10
What do you understand by finally past and clear ?

A 13-10
Rule 13 (d) and Par. 13.4, Action to be taken by the overtaking vessel, fouth paragraph.
Click on finally past and clear for a summary

About 1500 slides and 50 animations are available on our DVD Colregs Presentation which can be purchased online (click on books or read the books).