COLREG Rule 25 And Rule 35 Sailing Vessels and Vessels Under Oars

RULE 25 Sailing vessels underway and vessels under oars

(a) A sailing vessel underway shall exhibit:

(i) sidelights;

(ii) a stern light.

(b) In a sailing vessel of less than 20 meters in length, the lights prescribed in paragraph (a) of this Rule, may be combined in one lantern carried at or near the top of the mast where they can best be seen

(c) A sailing vessel underway may, in addition to the lights prescribed in paragraph (a) of this rule, exhibit at or near the top of the mast. where they can best be seen, two all-round lights in a vertical line, the upper being red and the lower green, but these lights shall not be exhibited in communication with the combined lantern permitted by paragraph (b) of this Rule.

(d) (i) A sailing vessel of less than 7 meters in length shall, if practicable, exhibit the lights prescribed in paragraph (a) or (b) of this Rule, but if she does not, she shall have ready at hand an electric torch or lighted lantern shown a white light which shall be exhibited in sufficient time to prevent collision.

(ii) A vessel under oars may exhibit the lights prescribed in this Rule for sailing vessels, but if she does not, she shall have ready at hand an electric torch or lighted lantern showing a white light which shall be exhibited in sufficient time to prevent collision.

(e) A vessel proceeding under sail when also being propelled by machinery shall exhibit forward where it can best be seen a conical shape. apex downwards.


Extract from Rule 35 - Sound signals in restricted visibility

In or near an area of restricted visibility, whether by day or night, the signals prescribed in this Rule shall be used as follows:

(c) A vessel not under command, a vessel restricted in her ability to manoeuvre, a vessel constrained by her draught, a sailing vessel, a vessel engaged in fishing and a vessel engaged in towing or pushing another vessel shall, instead of the signals prescribed in paragraphs (a) or (b) of this Rule, sound at intervals 0! not more than 2 minutes three blasts in succession, namely one prolonged followed by two short blasts.

(i) A vessel of less than 12 meters in length shall not be obliged to give the above-mentioned signals but, if she does not, shall maize some other efficient sound signal at intervals of not more than 2 minutes.