ColReg: You Will Find Full Explanation Of The Rules, Supported With Pictures, 3d Models, Sounds And Videos To Help Future Seafarers. ANNEX Definition. The term height above the hull means height above the uppermost continuous deck. This height shall be measured from the position vertically. The International Regulations for Preventing Collisions at Sea (COLREGs) are published (d) The additional signals described in Annex II to these Regulations apply to a vessel engaged in fishing in close proximity to other vessels.

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Rule 7 covering risk of collision, which warns that “assumptions shall not be made on the basis of scanty information, especially scanty radar information”. Rule 10 states that ships crossing traffic lanes are required to do so “as nearly as practicable at right angles to the general direction of traffic flow.

Congress of the United States. 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 combined whistle system be fitted so as to overcome this reduction. If whistles are fitted at a distance apart of more than meters, it shall be so arranged that they are not sounded simultaneously.

The term “vessel restricted in her ability to maneuver” shall include but not be limited to: You may be trying to access this site from a secured browser on the server. You may improve this articlediscuss the issue on the talk pageor create a new articleas appropriate.

As annxees result, there were inconsistencies and even contradictions that gave rise to unintended collisions. The sound pressure level at any other direction in the horizontal plane shall be not more than 10 dB below the prescribed sound pressure level on the axis, so that the range in any direction shall be at least half the range on the forward axis.

Rather, there can be a “give way” burdened vessel and a “stand on” privileged vessel, or there may be two give way vessels with no stand on vessel. Some content on this site is available in all official languages. In practice the range at which a whistle may be heard is extremely variable and depends critically on weather conditions; the values given can be regarded as typical but under conditions of strong wind or high ambient noise level at the listening post the annexse may be much reduced.


International Regulations for Preventing Collisions at Sea (COLREGS)

Rule 21 Definitions a “Masthead light” means a white light placed over the fore and aft centerline of the vessel showing an unbroken light over an arc of horizon of degrees and so fixed as to show the amnexes from right ahead to Rule 24 Towing and Pushing a A power driven vessel when towing shall exhibit: When the length of the tow measuring from the stern of the towing vessel to the after end of the tow exceeds meters, three such lights in a vertical line; ii sidelights; iii a sternlight.

The lights mentioned herein shall, if exhibited in pursuance of Rule 26 dbe placed where they can best be seen. It was also to clarify that if a vessel is obliged to cross traffic lanes it should do so as nearly as practicable at right angles to the general direction of the traffic flow. This publication reflects the views only of the author, and the Commission cannot be held responsible for any use which may be amnexes of the information contained therein.

The highest and lowest of these shapes shall be balls and the middle one a diamond. Rule 34 Maneuvering and Warning Signals a Annexws vessels are in sight of one another, a power-driven vessel under way, when maneuvering as authorized or required by these Rules, shall indicate that maneuver by the following signals on her whistle: The following signals, used or exhibited either together or separately, indicate distress and need of assistance:.

With the recommendation that the direction of a turn be referenced folregs the rudder instead of the helm or tiller being informally agreed by all maritime nations in Section III – conduct of vessels in restricted visibility Rule 19 Rule 19 states every vessel should proceed at a safe speed adapted to prevailing circumstances and restricted visibility.

New traffic separation schemes are introduced regularly and existing ones are amended when necessary to respond to changed traffic conditions. This section does not cite any sources.


They shall be placed at or near the side of the vessel. This light shall be placed not higher than the all-round white light prescribed annexss Rule 26 c i and not lower than the sidelights. Rule 30 covers light requirements for vessels anchored and aground.

Rule 2 Responsibility a 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 3 includes definitions. When however a masthead light is carried in addition to sidelights and a sternlight, then such masthead light or all-round light shall be carried at least 1 meter higher than the sidelights.

  ASTM D1148 PDF

The forward light shall be placed more than one quarter of the length of the vessel from the stern. Rule 37 covers distress signals. These lights or shapes indicate that it is dangerous for another vessel to approach within meters of the mineclearance vessel.

InThomas Grayassistant secretary to the Maritime Department of the Board of Trade, wrote The Rule of the Roada pamphlet that became famous for its well-known mnemonic verses.

-&nbspotenmaritime Resources and Information.

Affiliated Bodies and Programmes. Rule 19 Conduct of vessels in restricted visibility. Rule 29 Pilot Vessels a A vessel engaged on pilotage duty shall exhibit: Intensity of lights a The minimum luminous intensity of lights shall be calculated by using the formula: Although rules for navigating vessels inland may differ, the international rules specify that they should be as closely in line with the international rules as possible.

Rule 12 Sailing Vessels a when two sailing vessels are approaching one another, so as to involve risk of collision, one of them shall keep out of the way of the other as follows: A whistle shall be placed as high as is practicable on a vessel, in order to reduce interception of the emitted sound by obstructions and also to minimize hearing damage risk to personnel.

International Regulations for Preventing Collisions at Sea

These lights may be exhibited only when the vessel is hampered by its fishing colregss. Rule 33 says vessels 12 metres or more in length should carry a whistle and a bell and vessels metres or more in length should carry in addition a gong. Wikisource has original text related to this article: 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.