Rules

Question 1

Rule 6

Answer 1

Safe speed

Every vessel shall at all times proceed at a safe speed so that she can take proper and effective action to avoid collision and to be stopped within distance appropriate to the prevailing circumstances and conditions.
In determining a safe speed the following factors shall be among those taken into account:

a. By all vessels

i. The state of visibility.
ii. The traffic density including concentrations of fishing vessels or any other vessels
iii. The manoeuverability of the vessel with special reference to stopping distance and turning ability in the prevailing conditions.
iv. At night the presence of background light such as those from shore lights or from backscatter of her own lights
v. The state of wind sea and current in the proximity of navigational hazards.
vi. The draft in relation to available depth of water.

b. Additionally by vessels with operational radar:

i. The characteristics efficiency and limitations of the radar equipment
ii. Any constraints imposed by the radar range and scale in use
iii. There effect on radio detection from the sea state weather and other sources of interference.
iv. The possibility that small vessels ice and other floating objects may not be detected by radar at adequate range.
v. The number location and movement of vessels detected by radar
vi. The more exact assessment of the visibility that may be possible when radar is used to determine the range of vessels or other objects in the vicinity.

Question 2

Rule 19 a

Answer 2

Conduct of vessels in restricted visibility
(a) This Rule applies to vessel not in sight of one another when navigating in or near an area of restricted visibility.

Question 3

Rule 19 b

Answer 3

(b) Every vessel shall proceed at a safe speed adapted to the prevailing circumstances and conditions of restricted visibility. A power-driven vessel shall have her engines ready for
immediate manoeuvre.

Question 4

Rule 19 c

Answer 4

(c) Every vessel shall have due regard to the prevailing circumstances and conditions of restricted visibility when complying with the Rules of section I of this part.

Question 5

Rule 19 d

Answer 5

(d) A vessel which detects by radar alone the presence of another vessel shall determine if a close-quarters situation is developing and/or risk of collision exists. If so, she shall take avoiding action in ample time, provided that when such action consists of an alteration of course, so far as possible the following shall be avoided:
(i) an alteration of course to port for a vessel forward of the beam, other than for a vessel being overtaken;
(ii) an alteration of course towards a vessel abeam or abaft the beam.

Question 6

Rule 19 e

Answer 6

(e) Except where it has been determined that a risk of collision does not exist, every vessel which hears apparently forward of her beam the fog signal of another vessel, or which cannot avoid a close-quarters situation with another vessel forward of her beam, shall reduce her speed to the minimum at which she can be kept on her course. She shall if necessary take all her way off and in any event navigate with extreme caution until danger of collision is over.

Question 7

Rule 5

Answer 7

Look-out
Every vessel shall at all times maintain a proper look-out by sight and hearing as well as by all available means appropriate in the prevailing circumstances and conditions so as to make a full appraisal of the situation and of the risk of collision.