PART D - SOUND AND LIGHT SIGNALS Rule 32 : Definitionsa. The word whistle means any sound signalling appliance capable of producing the prescribed blasts and which complies with the specifications in Annex III to these Regulations.b. The term short blast means a blast of about one second’s duration. c. The term prolonged blast means a blast of four to six seconds’ duration. … [Read more...]
Rule 31 – Seaplanes
Where it is impracticable for a seaplane or a WIG craft to exhibit lights and shapes of the characteristics or in the positions prescribed in the Rules of this Part she shall exhibit lights and shapes as closely similar in characteristics and position as is possible. … [Read more...]
Rule 30 – Anchored vessels and vessels aground
(a) A vessel at anchor shall exhibit where it can best be seen:(i) in the fore part, an all-round white light or one ball; (ii) at or near the stern and at a lower level than the light prescribed in subparagraph (i), an all-round white light.(b) A vessel of less than 50 meters 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.(c) A vessel at anchor may, and a vessel of 100 meters and more in length shall, also use the available working or equivalent lights to illuminate her decks.(d) A … [Read more...]
Rule 29 – Pilot vessels
(a) A vessel engaged on pilotage duty shall exhibit:(i) at or near the masthead, two all-round lights in a vertical line, the upper being white and the lower red; (ii) when underway, in addition, sidelights and a sternlight; (iii) when at anchor, in addition to the lights prescribed in subparagraph (i), the light, lights, or shape prescribed in Rule 30 for vessels at anchor.(b) A pilot vessel when not engaged on pilotage duty shall exhibit the lights or shapes prescribed for a similar vessel of her length. … [Read more...]
Rule 28 – Vessels constrained by their draught
A vessel constrained by her draught may, in addition to the Iights prescribed for power-driven vessels in Rule 23, exhibitwhere theycan best be seen three all-round red lights in a vertical line, or a cylinder. … [Read more...]
Rule 27 – Vessels N.U.C or R.A.M
Vessels not under command or restricted in their ability to manoeuvre (a) A vessel not under command shall exhibit:two all-round red lights in a vertical line where they can best be seen; two balls or similar shapes in a vertical line where they can best be seen; when making way through the water, in addition to the lights prescribed in this paragraph, sidelights and a sternlight.NUC Day SignalVessels not under command or restricted & Making Way through the waterVessels not under command or restricted in their ability to manoeuvre NOT Making Way through the … [Read more...]
Rule 26 – Fishing vessels
(a) A vessel engaged in fishing, whether underway or at anchor, shall exhibit only the lights and shapes prescribed by this rule.(b) A vessel when engaged in trawling, by which is meant the dragging through the water of a dredge net or other apparatus used as a fishing appliance, shall exhibit;(i) two all-round lights in a vertical line, the upper being green and the lower white, or a shape consisting of two cones with their apexes together in a vertical line one above the other; a vessel of less than 20 meters in length may instead of this shape exhibit a basket; (ii) a masthead … [Read more...]
Rule 25 – Sailing vessels underway and vessels under oars
(a) a sailing vessel underway shall exhibit:(i) sidelights; (ii) a sternlight.(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 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 … [Read more...]
Rule 24 – Towing and pushing
(a) A power driven vessel when towing shall exhibit:(i) instead of the light prescribed in Rule 23(a)(i) or (a)(ii), two masthead lights in a vertical line. When the length of the tow measuring from the stern of the towing vessel to the after end of the tow exceeds 200 meters, three such lights in a vertical line; (ii) sidelights; (iii) a sternlight; (iv) a towing light in a vertical line above the sternlight; (v) when the length of the tow exceeds 200 meters, a diamond shape where it can best be seen.(b) When a pushing vessel and a vessel being pushed ahead are … [Read more...]
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 metres 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 ilight near the surface shall, in addition to the … [Read more...]