COLREGS

Question 1

What is Rule 1 ?

Answer 1

Application

Question 2

What is rule 2?

Answer 2

Responsibility

Question 3

What is Rule 3?

Answer 3

General Definitions

Question 4

What is a Vessel?

Answer 4

A Vessel is any description of water craft, wig craft or seaplanes, used or capable of being used as a means of transportation on the water.

Question 5

What is a Power Driven Vessel?

Answer 5

A Power driven vessel is any vessel propelled by machinery

Question 6

What is a vessel Constrained by her draught ?

Answer 6

The term “vessel constrained by her draught” means a POWER-DRIVEN vessel which, because of her draught in relation to the available depth and width of navigable water, is severely restricted in her ability to deviate from the course she is following

Question 7

What is a Vessel engaged in Fishing ?

Answer 7

The term vessel engaged in fishing means any vessel fishing with nets, lines, trawls, or other fishing apparatus which restricts maneuverability, but does not include a vessel fishing with trolling lines or other fishing apparatus which do not restrict maneuverability

Question 8

What is a Sailing Vessel

Answer 8

The term “sailing vessel” means any vessel under sail provided that propelling machinery, if fitted, is not being used

Question 9

What is a Seaplane?

Answer 9

The term “seaplane” includes any aircraft designed to manoeuvre on the water

Question 10

What is a Vessel Not Under Command?

Answer 10

The term “vessel not under command” means a vessel which through some exceptional circumstance is unable to manoeuvre as required by these Rules and is therefore unable to keep out of the way of another vessel

Question 11

What is a Vessel Restricted in her ability to manoeuvre?

Answer 11

The term “vessel restricted in her ability to manoeuvre” means a vessel which from the nature of her work is restricted in her ability to manoeuvre as required by these Rules and is therefore unable to keep out of the way of another vessel. The term “vessels restricted in their ability to manoeuvre” shall include but not be limited to:

(i) a vessel engaged in laying, servicing or picking up a navigation mark, submarine cable or pipeline;
(ii) a vessel engaged in dredging, surveying or underwater operations;
(iii) a vessel engaged in replenishment or transferring persons, provisions or cargo while underway;
(iv) a vessel engaged in launching or recovery of aircraft;
(v) a vessel engaged in mine clearance operations;
(vi) a vessel engaged in a towing operation such as severely restricts the towing vessel and her tow in their ability to deviate from their course.

Question 12

What does the word “Underway” mean?

Answer 12

The word “underway” means that a vessel is not at anchor, or made fast to the shore, or aground.

Question 13

What do the words Length & Breadth mean?

Answer 13

The words length and breadth mean her length overall and greatest breadth.

Question 14

When is a vessel “In sight of one another”

Answer 14

Vessel shall be deemed to be in sight of one another only when one can be observed visually from the other.

Question 15

What does the term “Restricted Visibility” mean?

Answer 15

The term “restricted visibility” means any condition in which visibility is restricted by fog, mist, falling snow, heavy rainstorms, sandstorms or any other similar causes

Question 16

What does the term Wing-in-ground craft mean?

Answer 16

The term “Wing-In-Ground (WIG) craft” means a multimodal craft which, in its main operational mode, flies in close proximity to the surface by utilizing surface-effect action

Question 17

What is rule 4?

Answer 17

Application - Conduct of vessels in all conditions of visibility

Question 18

What is Rule 5?

Answer 18

Every vessel shall at all times maintain a proper lookout, using sight, hearing and all available means appropriate to the prevailing circumstances and conditions so as to make a full appraisal of the situation and of the risk of collision.

Question 19

What is Rule 6?

Answer 19

Every vessel shall at all times proceed at a safe speed so that she can take proper and effective action to avoid collision and be stopped within a distance appropriate to the prevailing circumstances and conditions.

Question 20

What factors shall be taken into account when determining a safe speed?

Answer 20

• The state of visibility
• The traffic density including concentrations of fishing vessels and all other vessels.
• The manoeuvribility of the vessel, with special reference to turning ability in the prevailing conditions.
• At night, the back scatter of light including from shore lights and the vessels own lights.
• The wind, sea and current & the proximity of navigational hazards.
• The draught in relation to the available depth of water.

Question 21

what does rule 10 apply to ?

Answer 21

Rule 10 applies to traffic separation schemes adopted by the organisation & does not relieve ANY vessel under any other rule.

Question 22

What should a vessel using a traffic separation scheme do?

Answer 22

(i) Proceed in the appropriate traffic lane in the general direction of traffic flow for that lane
(ii) So far as practicable, keep clear of a traffic separation line or zone.
(iii) Normally join or leave a traffic separation scheme at the terminations of the lane, but when joining or leaving at either side shall do so as shallow angles to the general direction of traffic flow as practicable.

Question 23

What does a Vessel crossing a TSS do?

Answer 23

(C) - CROSSING!

A vessel, so far as practicable should avoid crossing traffic lanes but if obliged to do so shall cross on a HEADING as nearly practicable to right angles to the general direction of traffic flow for that lane.

Question 24

What should a vessel not do in an ITZ?

What Vessels can use an ITZ?

Answer 24

(D) - DONT

A vessel shall not use an inshore traffic zone when she can safely use the appropriate traffic lane within the adjacent TSS. However:

Vessels <20m in Length
Sailing Vessels
Vessels engaged in fishing

MAY use inshore traffic zones