IRPCAS
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| Rule 1. Application (a) These rules shall | These rules shall apply to all vessels upon the high seas and in all waters connected therewith navigable by seagoing vessels |
| Rule 8. Action to avoid collision (f) (iii) A vessel the | A vessel the passage of which is not to be impeded remains fully obliged to comply with the rules of this part when the two vessels are approaching one another so as to involve risk of collision. |
| 2 | 2 |
| 3 | 3 |
| 4 | 4 |
| 5 | 5 |
| Rule 1. Application (b) Nothing in these | Nothing in these rules shall interfere with the operation of special rules made by an an appropriate authority for roadsteads harbours rivers lakes or inland waterways connected with the high seas and navigable by seagoing vessels such special rules shall conform as closely as possible to these rules |
| Rule 8. Action to avoid collision (f) (iii) A vessel the | A vessel the passage of which is not to be impeded remains fully obliged to comply with the rules of this part when the two vessels are approaching one another so as to involve risk of collision. |
| Rule 1. Application (c) Nothing in these | Nothing in these rules shall interfere with the operation of any special rules made by the government of any state with respect to additional station or signal lights, shapes or whistle signals for ships of war and vessels proceeding under convoy, or with respect to additional station or signal lights or shapes for fishing vessels engaged in fishing as a fleet. These additional station or signal lights, shapes or whistle signals shall, so far as possible, be such that they cannot be mistaken for any light, shapes or signal authorised elsewhere under these rules |
| Rule 8. Action to avoid collision (f) (iii) A vessel the | A vessel the passage of which is not to be impeded remains fully obliged to comply with the rules of this part when the two vessels are approaching one another so as to involve risk of collision. |
| Rule 8. Action to avoid collision (f) (iii) A vessel the | A vessel the passage of which is not to be impeded remains fully obliged to comply with the rules of this part when the two vessels are approaching one another so as to involve risk of collision. |
| Rule 1. Application (d) Trafic separation schemes | Traffic separation schemes may be adopted by the organization for the purpose of these rules |
| Rule 1. Application (e) Whenever the government | Whenever the government concerned shall have determined that a vessel of special construction or purpose cannot comply fully with the provisions of any of these rules with respect to the number, position, range or arc of visibility of lights or shapes, as well as to the disposition and characteristics of sound-signalling appliances, such vessel shall comply with such other provisions in regard to the number, position, range or arc of visibility of lights or shapes, as well as to the disposition and characteristics of sound-signalling appliances, as her government shall have determined to be the closest possible compliance with these rules in respect to that vessel |
| Rule 2. Responsibility (a) Nothing in these shall exonerate | Nothing in these rules shall exonerate any vessel, or the owner, master or crew thereof, from the consequences of any neglect to comply with these Rules or of the neglect of any precaution which may be required by the ordinary practice of seamen, or by the special circumstances of the case |
| Rule 2 . Responsibility (b) In construing and | In construing and complying with these rules due regard shall be had to all dangers of navigation and collision and to any special circumstances, including the limitations of the vessels involved, which may make a departure from these Rules necessary to avoid immediate danger. |
| Rule 3. General definitions (a) The word vessel | The word vessel includes every description of water craft, including non displacement craft, wig craft and seaplanes, used or capable of being used as a means of transportation on water |
| Rule 3. General definitions (b) The term pdv | The term power driven vessel means any vessel propelled by machinery |
| Rule 3. General definitions (c) The term sv | The term sailing vessel means any vessel under sail provided that propelling machinery, if fitted, is not being used |
| Rule 3. General definitions (d) The term veif | The term vessel engaged in fishing means any vessel fishing with nets, lines, trawls or other fishing apparatus which restrict manoeuvrability, but does not include a vessel fishing with trolling lines or other fishing apparatus which do not restrict manoeuvrability |
| Rule 3. General definitions (e) The word seaplane | The word seaplane includes any aircraft designed to manoeuvre on the water |
| Rule 3. General definitions (f) The term vnuc | The term vessel not under command means a vessel which through some exceptional circumstance is unable to manoeuvre as required by these rules and is therefore unable to keep out of the way of another vessel |
| Rule 3. General definitions (g) The term vrihatm | The term vessel restricted in her ability to manoeuvre means a vessel which from the nature of her work is restricted in her ability to manoeuvre as required by these rules and therefore is unable to keep out of the way of another vessel. The term vessels restricted in their ability to manoeuvre shall include but not be limited to a vessel engaged in laying, servicing or picking up a navigation mark, submarine cable or pipeline a vessel engaged in dredging, surveying or underwater operations a vessel engaged in replenishment or transferring persons, provisions or cargo while underway; a vessel engaged in the launching or recovery of aircraft a vessel engaged in mineclearance operations a vessel engaged in a towing operation such as severely restricts the towing vessel and her tow in their ability to deviate from their course |
| Rule 3. General definitions (h) The term vcbhd | The term vessel constrained by her draught means a power driven vessel which because of her draught in relation to the available depth and width of navigable water, is severely restricted in her ability to deviate from the course she is following |
| Rule 3. General definitions (i) The word underway | The word underway means that a vessel is not at anchor, or made fast to the shore, or aground |
| Rule 3. General definitions (j) The words lab | The words length and breadth of a vessel mean her length overall and greatest breadth |
| Rule 3. General definitions (k) Vessels shall be | Vessels shall be deemed to be in sight of one another only when one can be observed visually from the other |
| Rule 3. General definitions (l) The term resvis | The term restricted visibility means any condition in which visibility is restricted by fog, mist, falling snow, heavy rainstorms, sandstorms or any other similar causes |
| Rule 3. General definitions (m) The term WIG | The term Wing-In-Ground (WIG) craft means a multimodal craft which, in its main operational mode, flies in close proximity to the surface by utilising surface effect action |
| Rule 4. Application | Rules in this section apply in any condition of visibility |
| Rule 5. Look-out | Every vessel shall at all times maintain a proper look out by sight and hearing as well as by all available means appropriate in the prevailing circumstances and conditions so as to make a full appraisal of the situation and of the risk of collision |
| Rule 6. Safe Speed - Every vessel shall at | Every vessel shall at all times proceed at a safe speed so that she can take proper and effective action to avoid collision and be stopped within a distance appropriate to the prevailing circumstances and conditions |
| Rule 6. Safe speed (a) By all vessels | The state of visibility the traffic density including concentrations of fishing vessels or any other vessels the manoeuvrability of the vessel with special reference to stopping distance and turning ability in the prevailing conditions at night the presence of background light such as from shore lights or from back scatter of her own lights the state of wind, sea and current, and the proximity of navigational hazards the draught in relation to the available depth of water |
| Rule 6 Safe speed (b) Additionally by vessels with operational radar | The characteristics, efficiency and limitations of the radar equipment any constraints imposed by the radar range scale in use the effect on radar detection of the sea state,weather and other sources of interference the possibility that small vessels, ice and other floating objects may not be detected by radar at an adequate range the number, location and movement of vessels detected by radar the more exact assessment of the visibility that may be possible when radar is used to determine the range of vessels or other objects in the vicinity |
| Rule 7. Risk of collision (a) Every vessel shall use | Every vessel shall use all available means appropriate to the prevailing circumstances and conditions to determine if risk of collision exists. If there is any doubt such risk shall be deemed to exist |
| Rule 7. Risk of collision (b) Proper use shall | Proper use shall be made of radar equipment if fitted and operational, including long range scanning to obtain early warning of risk of collision and radar plotting or equivalent systematic observation of detected objects |
| Rule 7. Risk of collision (c) Assumptions shall not | Assumptions shall not be made on the basis of scanty information, especially scanty radar information |
| Rule 7. Risk of collision (d) In determining if | In determining if risk of collision exists the following considerations shall be among those taken into account such risk shall be deemed to exist if the compass bearing of an approaching vessel does not appreciably change such risk may sometimes exist even when an appreciable bearing change is evident, particularly when approaching a very large vessel or a tow or when approaching a vessel at close range |
| Rule 8. Action to avoid collision (a) Any action to | Any action to avoid collision shall be taken in accordance with the rules of this part and shall, if the circumstances of the case admit, be positive, made in ample time and with due regard to the observance of good seamanship |
| Rule 8. Action to avoid collision (b) Any alteration of | Any alteration of course and or speed to avoid collision, shall, if the circumstances of the case admit, be large enough to be readily apparent to another vessel observing visually or by radar; a succession of small alterations of course and/or speed should be avoided |
| Rule 8. Action to avoid collision (c) If there is | If there is sufficient sea room, alteration of course alone may be the most effective action to avoid a close-quarters situation provided that it is made in good time, is substantial and does not result in another close-quarters situation |
| Rule 8. Action to avoid collision (d) Action taken to avoid | Action taken to avoid collision with another vessel shall be such as to result in passing at a safe distance. The effectiveness of the action shall be carefully checked until the other vessel is finally past and clear |
| Rule 8. Action to avoid collision (e) If necessary to | If necessary to avoid collision or allow more to assess the situation, a vessel shall slacken her speed or take all way off by stopping or reversing her means of propulsion |
| Rule 8. Action to avoid collision (f) (i) A vessel which | A vessel which, by any of these rules, is required not to impede the passage or safe passage of another vessel shall, when required by the circumstances of the case, take early action to allow sufficient sea room for the safe passage of the other vessel |
| Rule 8. Action to avoid collision (f) (ii) A vessel required | A vessel required not to impede the passage or safe passage of another vessel is not relieved of this obligation if approaching the other vessel so as to involve risk of collision and shall, when taking action, have full regard to the action which may be required by the rules of this part |
| Rule 8. Action to avoid collision (f) (iii) A vessel the | A vessel the passage of which is not to be impeded remains fully obliged to comply with the rules of this part when the two vessels are approaching one another so as to involve risk of collision |
| Rule 9. Narrow channels (a) A vessel proceeding | A vessel proceeding along the course of a narrow channel or fairway shall keep as near to the outer limit of the channel or fairway which lies on her starboard side as is safe and practicable |
| Rule 19. Restricted visibility (e) Except where it has | Except where it has been determined that a risk of collision does not exist, every vessel which hears apparently forward of her beam the fog signal of another vessel, or which cannot avoid a close quarters situation with another vessel forward of her beam, shall reduce her speed to the minimum at which she can be kept on her course. She shall if necessary take all her way off and in any event navigate with extreme caution until danger of collision is over. |
| Rule 9. Narrow channels (b) A vessel of less | A vessel of less than 20 metres in length or a sailing vessel shall not impede the passage of a vessel which can safely navigate only within a narrow channel or fairway |
| Rule 19. Restricted visibility (e) Except where it has | Except where it has been determined that a risk of collision does not exist, every vessel which hears apparently forward of her beam the fog signal of another vessel, or which cannot avoid a close quarters situation with another vessel forward of her beam, shall reduce her speed to the minimum at which she can be kept on her course. She shall if necessary take all her way off and in any event navigate with extreme caution until danger of collision is over. |
| Rule 9. Narrow channels (c) A vessel engaged | A vessel engaged in fishing shall not impede the passage of any other vessel navigating within a narrow channel or fairway |
| Rule 19. Restricted visibility (e) Except where it has | Except where it has been determined that a risk of collision does not exist, every vessel which hears apparently forward of her beam the fog signal of another vessel, or which cannot avoid a close quarters situation with another vessel forward of her beam, shall reduce her speed to the minimum at which she can be kept on her course. She shall if necessary take all her way off and in any event navigate with extreme caution until danger of collision is over. |
| Rule 9. Narrow channels (d) A vessel shall not | A vessel shall not cross a narrow channel or fairway if such crossing impedes the passage of a vessel which can safely navigate only within such channel or fairway. The latter vessel may use the sound signal prescribed in Rule 34 d if in doubt as to the intention of the crossing vessel |
| Rule 9. Narrow Channels (e) (i) (ii) In a narrow | In a narrow channel or fairway when overtaking can take place only if the vessel to be overtaken has to take action to permit safe passing, the vessel intending to overtake shall indicate her intention by sounding the appropriate signal prescribed in Rule 34 c i. The vessel to be overtaken shall, if in agreement, sound the appropriate signal prescribed in Rule 34 c ii and take steps to permit safe passing. If in doubt she may sound the signals prescribed in Rule 34 d. (ii) This rule does not relieve the overtaking vessel of her obligation under Rule 13 |
| Rule 9. Narrow channel (f) A vessel nearing | A vessel nearing a bend or an area of a narrow channel or fairway where other vessels may be obscured by an intervening obstruction shall navigate with particular alertness and caution and shall sound the appropriate signal prescribed in Rule 34 e |
| Rule 9. Narrow channel (g) Any vessel shall | Any vessel shall, if the circumstances of the case admit, avoid anchoring in a narrow channel |
| Rule 10. Traffic separation schemes (a) This rule applies | This rule applies to traffic separation schemes adopted by the organidation and does not relieve any vessel of her obligation under any other rule |
| Rule 10. Traffic separation schemes (b) (i) - (iii) A vessel using | A vessel using a traffic separation scheme shall: proceed in the appropriate traffic lane in the general direction of traffic flow for that lane; so far as practicable keep clear of a traffic separation line or separation zone; normally join or leave a traffic lane at the termination of the lane, but when joining or leaving from either side shall do so at as small an angle to the general direction of traffic flow as practicable. |
| Rule 10. Traffic separation schemes (c) A vessel shall so ... (traffic lanes) | A vessel shall so far as practicable avoid crossing traffic lanes, but if obliged to do so shall cross on a heading as nearly as practicable at right angles to the general direction of traffic flow |
| Rule 10. traffic separation schemes (d) (i) (ii) A vessel shall not | (i) A vessel shall not use an inshore traffic zone when she can safely use the appropriate traffic lane within the adjacent traffic separation scheme. However, vessels of less than 20 meters in length, sailing vessels and vessels engaged in fishing may use the inshore traffic zone. (ii) Notwithstanding subparagraph (d) (i), a vessel may use an inshore traffic zone when en route to or from a port, offshore installation or structure, pilot station or any other place situated within the inshore traffic zone, or to avoid immediate danger |
| Rule 10. Traffic separation schemes (e) A vessel other | A vessel, other than a crossing vessel, or a vessel joining or leaving a lane shall not normally enter a separation zone or cross a separation line except: (i) in cases of emergency to avoid immediate danger; (ii) to engage in fishing within a separation zone. |
| Rule 10. Traffic separation schemes (f) a vessel navigating | A vessel navigating in areas near the terminations of traffic separation schemes shall do so with particular caution |
| Rule 10. traffic separation schemes (g) A vessel shall so... (anchoring) | A vessel shall so far as practicable avoid anchoring in a traffic separation scheme or in areas near its terminations |
| Rule 10. Traffic separation schemes (h) A vessel not using | A vessel not using a traffic separation scheme shall avoid it by as wide a margin as is practicable |
| Rule 10. Traffic separation schemes (i) A vessel engaged | A vessel engaged in fishing shall not impede the passage of any vessel following a traffic lane |
| Rule 10. Traffic separation schemes (j) A vessel of less | A vessel of less than 20 meters in length or a sailing vessel shall not impede the safe passage of a power driven vessel following a traffic lane |
| Rule 10. Traffic separation schemes (k) A vessel restricted in her ability to manoeuvre when engaged in an operation for the maintenance of safety of navigation in a traffic separation scheme | A vessel restricted in her ability to manoeuvre when engaged in an operation for the maintenance of safety of navigation in a traffic separation scheme is exempted from complying with this rule to the extent necessary to carry out the operation |
| Rule 10. Traffic separation schemes (l) A vessel restricted in her ability to manoeuvre when engaged in an operation for the laying, servicing or picking up of a submarine cable, within a traffic separation scheme | A vessel restricted in her ability to manoeuvre when engaged in an operation for the laying, servicing or picking up of a submarine cable, within a traffic separation scheme, is exempted from complying with this rule to the extent necessary to carry out the operation |
| Rule 11. Application | Rules in this section apply to vessels in sight of one another |
| Rule 12. Sailing vessels (b) For the purposes of | For the purposes of this Rule the windward side shall be deemed to be the side opposite to that on which the mainsail is carried or, in the case of a square-rigged vessel, the side opposite to that on which the largest fore-and-aft sail is carried |
| Rule 13. Overtaking (a) Notwithstanding anything contained | Notwithstanding anything contained in the Rules of Part B, Sections I and II any vessel overtaking any other shall keep out of the way of the vessel being overtaken |
| Rule 13. Overtaking (b) A vessel shall | A vessel shall be deemed to be overtaking when coming up with another vessel from a direction more than 22.5 degrees abaft her beam, that is, in such a position with reference to the vessel she is overtaking, that at night she would be able to see only the sternlight of that vessel but neither of her sidelights |
| Rule 13. Overtaking (c) When a vessel | When a vessel is in any doubt as to whether she is overtaking another, she shall assume that this is the case and act accordingly |
| Rule 13. Overtaking (d) Any subsequent alteration | Any subsequent alteration of the bearing between the two vessels shall not make the overtaking vessel a crossing vessel within the meaning of these Rules or relieve her of the duty of keeping clear of the overtaken vessel until she is finally past and clear |
| Rule 14. Head on situation (a) When 2 pdv | When two power-driven vessels are meeting on reciprocal or nearly reciprocal courses so as to involve risk of collision each shall alter her course to starboard so that each shall pass on the port side of the other |
| Rule 14. Head on situation (b) Such a situation | Such a situation shall be deemed to exist when a vessel sees the other ahead or nearly ahead and by night she could see the masthead lights of the other in a line or nearly in a line and/or both sidelights and by day she observes the corresponding aspect of the other vessel |
| Rule 14. Head on situation (c) When a vessel | When a vessel is in any doubt as to whether such a situation exists she shall assume that it does exist and act accordingly |
| Rule 15 Crossing situation. When 2 pdv | When two power-driven vessels are crossing so as to involve risk of collision, the vessel which has the other on her own starboard side shall keep out of the way and shall, if the circumstances of the case admit, avoid crossing ahead of the other vessel |
| Rule 16. Acrion by give way vessel. Every vessel which | Every vessel which is directed to keep out of the way of another vessel shall, so far as possible, take early and substantial action to keep well clear |
| Rule 17. Action by stand on vessel (a) (i) (ii) Where one of two | (i) Where one of two vessels is to keep out of the way the other shall keep her course and speed. (ii) The latter vessel may however take action to avoid collision by her manoeuvre alone, as soon as it becomes apparent to her that the vessel required to keep out of the way is not taking appropriate action in compliance with these Rules |
| Rule 17. Action by stand on vessel (b) When from any | When, from any cause, the vessel required to keep her course and speed finds herself so close that collision cannot be avoided by the action of the give-way vessel alone, she shall take such action as will best aid to avoid collision |
| Rule 17. Action by stand on vessel (c) A pdv which | A power-driven vessel which takes action in a crossing situation in accordance with sub-paragraph (a)(ii) of this Rule to avoid collision with another power-driven vessel shall, if the circumstances of the case admit, not alter course to port for a vessel on her own port side |
| Rule 17. Action by stand on vessel (d) this rule does not | This Rule does not relieve the give-way vessel of her obligation to keep out of the way |
| Rule 19. Restricted visibility (a) This rule applies | This Rule applies to vessels not in sight of one another when navigating in or near an area of restricted visibility |
| Rule 19. Restricted visibility (b) Every vessel shall proceed | Every vessel shall proceed at a safe speed adapted to the prevailing circumstances and conditions of restricted visibility. A power-driven vessel shall have engines ready for immediate manoeuvre |
| Rule 19. Restricted visibility (c) Every vessel shall have | Every vessel shall have due regard to the prevailing circumstances and conditions of restricted visibility when complying with the rules of section I of this part |
| Rule 19. Restricted visibility (d) A vessel which detects | A vessel which detects by radar alone the presence of another vessel shall determine if a close- quarters situation is developing and/or risk of collision exists. If so, she shall take avoiding action in ample time, provided that when such action consists of an alteration of course, so far as possible the following shall be avoided: (i) an alteration of course to port for a vessel forward of the beam, other than for a vessel being overtaken; (ii) an alteration of course towards a vessel abeam or abaft the beam |
| Rule 19. Restricted visibility (e) Except where it has | Except where it has been determined that a risk of collision does not exist, every vessel which hears apparently forward of her beam the fog signal of another vessel, or which cannot avoid a close quarters situation with another vessel forward of her beam, shall reduce her speed to the minimum at which she can be kept on her course. She shall if necessary take all her way off and in any event navigate with extreme caution until danger of collision is over |