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PART B – STEERING AND SAILING RULES. Section | Subpart I – Conduct of Vessels in Any Condition of Visibility. Rule 4 – Application. Rule 5 – Look-Out. Part A – General. Rule 1. Application. (a)These Rules shall apply to all vessels upon the high seas and in all waters connected therewith navigable by seagoing . Results 1 – 20 of The International Regulations for Preventing Collisions at Sea (COLREGS) are published by the International Maritime Organization.

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Any light to attract the attention of another vessel shall be such that it cannot be mistaken for any aid to navigation. They shall be at least 0.


To make this website work, we log user data and share it with processors. Beaufort wind scale Force 0. The use or exhibition of any of the foregoing signals except for the purpose of indicating distress and need of assistance and the use of other signals which may be confused with any of the above signals is prohibited.

Beaufort wind scale Force 7. The highest and lowest of these lights shall be red and the middle light shall be white; ii three shapes in a vertical line where they can best be seen.

This article needs attention from an expert in Transport. In other areas where such schemes did not exist the number of collisions rose sharply. Rule 14 Head-on Situation a 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. The resulting rules were adopted in and effected in You may improve this articlediscuss the issue on the talk pageor create a new articleas appropriate.

Navigation Rules: International- Inland

Rule 18 deals with responsibilities between vessels and includes requirements for vessels which shall keep out of the way of others. Rule 39 provides definitions. It is a mistake to suppose that a rigorous enforcement of the necessity of adopting precautionary measures by the persons in charge of steamboats to avoid damage to sailing vessels on our rivers and internal waters will have the effect to produce carelessness and neglect on the part of the persons in charge of the latter.


One of these lights or shapes shall be exhibited near the foremast head and one at each end of the fore yard.

Wikisource has original text related to this article: Where it is impracticable for a seaplane or a WIG craft to exhibit lights and colres of the characteristics or in the positions prescribed in the Rules of this Cllregs she shall exhibit lights and shapes as closely similar in characteristics and position as is possible. Such signal shall be answered with a prolonged blast by any approaching vessel that may be within hearing around the bend or behind the intervening obstruction.

Perhaps a course change alone will do. Please help by spinning off or relocating any relevant information, and removing excessive detail that may be against Wikipedia’s inclusion policy.

Night lights; of the running lights, only the stern light of the other vessel will be visible. Subject to licence being granted.

Rule 22 covers visibility of lights – indicating that lights should be visible at minimum ranges in nautical miles colrehs according to the type of vessel. This rule allows a stand-on vessel to consider the hazards of holding course and speed.

Whistles a Frequencies and range audibility The fundamental frequency of the signal shall lie within the range Hz. Congress of the United States. These lights or shapes indicate that it is dangerous for another vessel to approach within meters of the mineclearance vessel. On the other hand, steamships can manoeuvre in all degrees of direction and can be manoeuvred irrespective of the presence or absence of wind.

Part E – Exemptions Rule 38 Rule 38 says ships which comply with the Collision Regulations and were built or already under construction when the Collision Regulations entered into force may be exempted from some requirements for light and sound signals for specified periods. Large vessels must overcome inertia before they actually begin to move.

If so, she shall take avoiding action in ample time, provided that when such action consists of an alteration in course, so far as possible 772 following shall be avoided: The effectiveness of the action ccolregs be carefully checked until the other vessel is finally past and clear.


Coleegs of these lights or shapes shall be exhibited near the foremast head and one at each end of the fore yard. When the length of the tow measuring from the stern of the towing vessel to the after end colrets the tow exceeds meters, three such lights in a vertical line; ii sidelights; iii a sternlight; iv a towing light in a vertical line above the sternlight; and v when the length of the tow exceeds meters, a diamond shape where it can best be seen.


Signals for purse seiners Vessels engaged in fishing with purse seine gear may exhibit two yellow lights in a vertical line. Measures shall be taken to ensure its all-round visibility.

Rule 14 deals with head-on situations. Retrieved from ” https: If due to the presence of obstructions the sound field of a single whistle or of one of the whistles referred to in paragraph 1 f above is likely to have a zone of greatly reduced signal level, it is recommended that a 7 whistle system be fitted so as to overcome this reduction.

Small boats react almost immediately to power applications. International Conference made several recommendations, including the recognition of radar these were eventually ratified in and became effective in The diameter of the mouth of the bell shall be not less than mm for vessels of 20 meters or more in length.

To use this website, you must agree to our Privacy Policyincluding cookie policy. This section does not cite any sources. The crew of non-UK officers and ratings are to join two days later. The use or exhibition of any of the foregoing signals except for the purpose of indicating distress and need of assistance and the use of other signals which may be confused with any of co,regs above signals is prohibited.

They have been amended several times since their first adoption.