Anchored and Aground vessels
(A). A vessel at anchor shall exhibit where it can best be seen:
- In the fore part, an all-round white light or one ball;
- At or near the stern and at a lower level than the light prescribed in sub-paragraph (i), an all-round white light.
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Day Signal
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Night Signal
Flash Cards
Situation 01
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Situation 02
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(B). A vessel of less than 50 metres in length may exhibit an all-round white light where it can best be seen instead of the lights prescribed in paragraph (a) of this Rule.
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(C). A vessel at anchor may, and a vessel of 100 metres and more in length, shall also use the available working or equivalent lights to illuminate her decks.
(D). A vessel aground shall exhibit the lights prescribed in paragraph (a) or (b) of this Rule and in addition, where they can best be seen:
- Two all-round red lights in a vertical line;
- Three balls in a vertical line.
3D Model
Day Signal
3D Model
Night Signal
Flash Cards
Situation 01
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Situation 02
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Situation 03
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Situation 04
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(E). A vessel of less than 7 metres in length, when at anchor, not in or near a narrow channel, fairway or anchorage, or where other vessels normally navigate, shall not be required to exhibit the lights or shape prescribed in paragraphs (a) and (b) of this Rule.
(F). A vessel of less than 12 metres in length, when aground, shall not be required to exhibit the lights or shapes prescribed in sub-paragraphs (d)(i) and (ii) of this Rule.