Colregs Questions and Answers (Q & A)

Rule 18

Responsibilities between vessels

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 18-1
A power-driven vessel underway shall keep out of the way of:

A 18-1
Rule 18 (a) and Par. 18.2, Power-driven vessel.
Click on responsibilities with power-driven vessels for a summary


Q 18-2
A sailing vessel underway shall keep out of the way of:

A 18.2
Rule 18 (b) and Par. 18.3, Sailing vessel.
Click on sailing vessels for a summary


Q 18.3
A vessel engaged in fishing when underway shall, so far as possible, keep out of the way of:

A 18-3
Rule 18 (c) and Par. 18.4, Vessel engaged in fishing.
Click on fishing vessels for a summary


Q 18-4
Which vessels shall, if the circumstances of the case admit, avoid im­peding the safe passage of a vessel constrained by her draught, exhib­iting the signals in Rule 28 ?

A 18-4
Rule 18 (d) (i) and Par. 18.5, Vessels constrained by their draught.
Click on vessel constrained by her draught for a summary


Q 18-5
What particular precautions shall a vessel constrained by her draught observe ?

A 18-5
Rule 18 (d) (ii) and Par. 18.5, Vessels constrained by their draught, second paragraph.


Q 18-6
A vessel not under command and a vessel restricted in her ability to ma­noeuvre have a privilege over:

A 18-6
Par. 18.1, General, second paragraph, point 1.
Click on NUC for a summary


Q 18-7
A sailing vessel has a privilege over:

A 18-7
Par. 18.1, General, second paragraph, point 2.
Click on sailing vessels for a summary


Q 18-8
A vessel engaged in fishing has a privilege over:

A 18-8
Par. 18.1, General, second paragraph, point 3.
Click on vessel engaged in fishing for a summary


Q 18-9
A deep draught vessel has a privilege over:

A 18-9
Par. 18.1, General, second paragraph, point 4.
Click on deep draught vessel for a summary


Q 18-10
What should a vessel not under command do when approaching a ves­sel engaged in fishing if there is risk of collision ?

A 18-10
Par. 18.1, General, fourth paragraph.


Q 18-11
When there is risk of collision between two hampered vessels, how should each vessels act ?

A 18-11
Par. 18.1, General, fifth paragraph


Q 18-12
Is a vessel engaged in a towing operation privileged towards a power- driven vessel underway ?

A 18-12
Par. 18.2, Power-driven vessel, sixth paragraph.


Q 18-13
In which circumstances does a sailing vessel loses her privilege to­wards a power-driven vessel underway ?

A 18-13
Par. 18.3, Sailing vessel, first and second paragraph.

Click on sailing vessel for a summary
Click on sailing vessel for an animation
Click on narrow channel for an animation


Q 18-14
What should you keep in mind when taking avoiding action for a sailing vessel ?

A 18-14
Par. 18.3, Sailing vessel, fourth till seventh paragraph.


Q 18-15
In which circumstances does a vessel engaged in fishing loses her priv­ilege towards a power-driven vessel and a sailing vessel underway ?

A 18-15
Par. 18.4, Vessel engaged in fishing, first and second paragraph.

Click on fishing vessel for a summary
Click on fishing vessel for an animation
Click on fishing vessel in a narrow for an animation


Q 18.16
Which particular precautionary measures should you take when navi­gating in the vicinity of a vessel engaged in fishing ?

A 18-16
Par. 18.4, Vessel engaged in fishing, fourth, fifth and sixth
paragraph.


Q 18-17
Which precautionary measurers should you take when passing or tak­ing avoiding action for deep-draught vessels ?

A 18-17
Par 18.5, Vessels constrained by their draught, last paragraph.


Q 18-18
How shall seaplanes comply with the collision regulations ?

A 18-18
Rule 18 (e) and Par. 18.6, Seaplanes.


Q 18-19
If there is risk of collision between a WIG craft, taking off, landing and in flight near the surface, and a power-driven vessel, who shall the WIG craft proceed ?

A 18-19
Rule 18 (f) (i) and Par. 18.7, WIG craft.


Q 18-20
How shall a WIG craft, navigating on the water, consider herself ?

A 18-20
Rule 18 (fi) (i) and Par. 18.7, WIG craft, second paragraph.

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).