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COLLISION REGULATIONS EXERCISE NAME:

PASS MARK 100%

1. Explain what is meant by the term ‘safe speed’.
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2. You are underway and making way in a power driven vessel in restricted visibility and you hear a fog signal consisting of 2 long blasts apparently forward of the beam on the port side. What is the situation and what action will you take?
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3. A sailing vessel is overtaking a power driven vessel. Which one has to keep out of the way of the other?
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4.             When is a vessel deemed to overtaking another vessel?
(i)    ___________________________________________________
(ii)   ___________________________________________________
(iii) ___________________________________________________

What are the responsibilities of the overtaken vessel?

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5. Explain the difference between a vessel ‘not under command’ and a vessel ‘restricted in ability to manoeuvre’.
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6.             Indicate the fog signals for each of the following vessels:
(i)                       power driven vessel underway and altering course to port in                   restricted visibility

(ii)                      a sailing vessel underway

(iii)                      a vessel engaged in fishing at anchor

(iv)                     a vessel being towed (when manned)

ANSWERS

1. ‘Safe speed’ is a speed where you can take proper and effective action to avoid a collision and stop.

2. A power driven vessel is apparently (but not for certain) off the port bow and has taken all way off and stopped in the water. Because it is within hearing distance there is a risk of collision so reduce speed to steerage way only and proceed with utmost vigilance and caution until there is no longer a risk of collision, all the while sounding one long blast every 2 minutes.

3. The sailing vessel must keep out of the way of the power driven vessel.

4.      Consider yourself the overtaking vessel when:
(i)            you are coming up on the other vessel from an angle greater than 22½^o abaft the beam
(ii)           at night you would see only the stern light and neither of the side lights
(iii)          if in doubt, assume you are the overtaking vessel and keep clear

5. A vessel ‘restricted in ability to manoeuvre’ is, due to the nature of her work no able to comply with the rules.

A vessel ‘not under command’ is, due to exceptional circumstances not able to comply with the rules. (NOTE: NUC does not mean that there is no one in the wheel house).

6.      Fog signals:
(i)                                                            (1 long blast every 2 mins)

(ii)                                               · ·       every 2 mins

(iii)                                              · ·       every 2 mins

(iv)                                              · · ·    every 2 mins