- 21. A power-driven <span class="highlight">vessel</span> under 50 m <span class="highlight">underway</span> - lights
- (Rule 23 (Power-driven vessels underway))
- 22. Rule 35 (Sound signals in restricted visibility)
- (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: (a) A power-driven vessel making way through the water shall sound at intervals of not more than 2 minutes one prolonged blast. (b) A power-driven vessel underway but stopped and making no way through the water shall sound at intervals of not more than 2 minutes two prolonged blasts in succession with an interval of about 2 seconds between them. (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 of not more than 2 minutes three blasts in succession, namely one prolonged followed by two short blasts. (d) A vessel engaged in fishing, when at anchor, and a vessel restricted in her ability ...
- 23. Rule 34 (Manoeuvring and warning signals)
- (Rule 34 (Manoeuvring and warning signals))
- (a) When vessel are in sight of one another, a power-driven vessel underway, when manoeuvring as authorised or required by these Rules, shall indicate that manoeuvre by the following signals on her whistle: - one short blast to mean "I am altering my course to starboard"; - two short blasts to mean "I am altering my course to port"; - three short blasts to mean "I am operating astern propulsion". (b) Any vessel may supplement the whistle signals prescribed in paragraph (a) of this Rule by light signals, repeated as appropriate, whilst the manoeuvre is being carried out: (i) these signals shall have the following significance: - one flash to mean "I am altering my course to starboard"; - two flashes to mean "I am altering my course to port"; - three flashes to mean "I am operating astern propulsion"; (ii) the duration of each flash shall be about one second, the interval between flashes shall be about one second, and the interval between successive signals shall be not ...
- 24. Rule 25 (Sailing <span class="highlight">vessel</span>s <span class="highlight">underway</span> and vessels under oars)
- (Rule 25 (Sailing vessels underway and vessels under oars))
- (a) A sailing vessel underway shall exhibit: (i) sidelights; (i) a sternlight. (b) In a sailing vessel of less than 20 m in length the lights prescribed in paragraph (a) of this Rule may be combined in one lantern at or near the top of the mast where it 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 conjunction with the combined lantern permitted by paragraph (b) of this Rule. (d) (i) A sailing vessel of less than 7 m 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 showing a white light which shall be exhibited in sufficient time to prevent collision. (ii) A vessel ...
- 25. Rule 23 (Power-driven <span class="highlight">vessel</span>s <span class="highlight">underway</span>)
- (Rule 23 (Power-driven vessels underway))
- (a) A power-driven vessel underway shall exhibit: (i) a masthead light forward; (ii) a second masthead light abaft of and higher than the forward one; except that a vessel of less than 50 m in length shall not be obliged to exhibit such light but may do so; (iii) sidelights; (iv) a sternlight. (b) An air-cushion vessel when operating in the non-displacement mode shall, in addition to the lights prescribed in paragraph (a) of this Rule, exhibit an all-round flashing yellow light. (c) A WIG craft only when taking off, landing and in flight near the surface shall, in addition to the lights prescribed in paragraph (a) of this Rule, exhibit a high intensity all-round flashing red light. (d) (i) A power-driven vessel of less than 12 m in length may in lieu of the lights prescribed in paragraph (a) of this Rule exhibit an all-round white light and sidelights; (ii) a power-driven vessel of less than 7 m in length whose maximum speed does not exceed 7 knots may in lieu of the ...
- 26. Rule 18 (Responsibilities between <span class="highlight">vessel</span>s)
- (Rule 18 (Responsibilities between vessels))
- Except where Rule 9, Rule 10, and Rule 13 otherwise require: (a) A power-driven vessel underway shall keep out of the way of: (i) a vessel not under command; (ii) a vessel restricted in her ability to manoeuvre; (iii) a vessel engaged in fishing; (iv) a sailing vessel. (b) A sailing vessel underway shall keep out of the way of: (i) a vessel not under command; (ii) a vessel restricted in her ability to manoeuvre; (iii) a vessel engaged in fishing. (c) A vessel engaged in fishing when underway shall, so far as possible, keep out of the way of: (i) a vessel not under command; (ii) a vessel restricted in her ability to manoeuvre. (d) (i) Any vessel other than a vessel not under command or a vessel restricted in her ability to manoeuvre shall, if the circumstances of the case admit, avoid impeding the safe passage of a vessel constrained by her draught, exhibiting the signals in Rule 28. (ii) A vessel constrained by her draught shall navigate with ...
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