The Parties to the present Convention undertake to give effect to the Rules and other Annexes constituting the. International Regulations for. and delineate those waters upon which mariners shall comply with the. Inland and International Rules. COLREGS Demarcation Lines are contained in this book. (a) These rules shall apply to all vessels upon the high seas and in all waters to be the closest possible compliance with these rules in respect to that vessel.

Colregs Rules Of The Road Pdf

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Part B – Steering and Sailing Rules. • Section I – Conduct of Vessels in Any Conditions of Visibility. – Regulation 4 - Application. – Regulation 5 - Look-out. THE RULES OF THE ROAD. For OOW, Chief Mate and Master Students. FARHAN SAEED First published in by. Advisors In an ideal world the Rules would only be open to one inter Com rule of the rules of statutory force until the last century. road at sea which included a.

Officers on board a ship are overloaded with their own work and so do not have time to train their juniors. In these cases, junior officers have to work on self training. This is important because not all the rules are applicable in all the situations. So we should know which rule is applicable under which condition. Sections and parts of Colreg Rules of the road are divided into Five parts. This part deal with the verification of compliance which is not directly related to the seafarers.

Rules of part B are further divided into 3 parts based upon the state of visibility. While all the rules are important, rules under part B Steering and sailing rules are the one that each seafarer must know at all the times.

All other rules are based on the fact that we are aware of our surrounding. All this rule asks the watch keepers is to be vigilent by keeping their eyes and ear open.

Loss Prevention Placards - Collision Regulations

It emphasizes on three things By sight and hearing. Which off course means that watch keeper need to keep look out not only by sight but also by hearing. By hearing means continuously listening to VHF and distress frequencies as well as any sound signal.

By all available means. Appraisal of situation and risk of collision. This should be the ultimate target of the watch keeper to keep a look out. A watch keeper need to look out to find any risk of collision with any vessel. Also the watch keeper should know the present situation he is in.

He should also be proactive in assessing the situation he would be in after sometime. For example, he should take into account the general traffic route such as in TSS which may have the other ship alter her course much before TCPA.

Rule 7: Risk of collision A good look out by sight, hearing, Radar and other available means will not miss out any targets.

International Regulations for Preventing Collisions at Sea

The next important factor of a good watch keeping is to determine if risk of collision exists. Rule no 7 gives the guidelines on how to determine if risk of collision exists. The words Scanty information means small or insufficient information. Insufficient information may include Assuming no risk of collision just by visually sighting the target without conforming the change in compass bearing Assuming no risk of collision basis radar showing 0.

Assuming no risk of collision without conforming if the target is passing ahead or astern of own vessel. If the BRC is showing empty, it means the target will pass stern of own vessel.

A target passing ahead of own vessel at close range is considered more risky than a target passing stern of own vessel at close range. Assuming no risk of collision for a vessel at long range more than 12 NM on radar. CPA shown on radar for a target at long range will often have error.

While Colregs recommend long range scanning on radar, assuming no risk of collision for targets at long range can be risky. Rule 6: Safe speed Safe speed is the most mis-undertood rule in Colreg.

Let me ask a question. If I have to choose one, for me the container vessel moving at 16 Knots is moving at safe speed. If you understand why I chose container vessel as proceeding at safer speed, most likely you already understand this rule.

So why I chose container vessel as proceeding at safe speed?


This is because Container vessel is not proceeding at sea speed and has her engine ready for immidiate manoever. Whereas bulk carrier is proceeding at sea speed and would need some notice before they can reduce speed.

Container vessels have better manoeverability compared to bulk carrier. So in case of an emergency, container vessel can manoever quickly than bulk carrier. Lesser speed gives us more time to assess situation and take effective action.

The safe speed depends upon 2 factors How early a target can be detected How effective the avoiding action will be All the factors mentioned in the Colreg rule number 6 either affect target detection or the effectiveness of the avoiding action. Rule Responsibilities between the vessels While this is a simple rule which list down the vessels in order of priority, sometimes we can get it wrong. I have seen watch keepers getting irritated with the fishing vessels impeding their passage.

We must know that it is power driven vessel who has to keep clear of the fishing vessel and not the other way around. Rule Crossing situation 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.

This rule is simple. Lights for vessels not under command or restricted in their ability to manoeuvre Vessels not under command or restricted in their ability to manoeuvre a A vessel not under command shall exhibit: 1.


The highest and lowest of these lights shall be red and the middle light shall be white; three shapes in a vertical line where they can best be seen. The highest and lowest of these shapes shall be balls and the middle one a diamond; when making way through the water, a masthead light or lights, sidelights and a sternlight, in addition to the lights prescribed in sub-paragraph i ; when at anchor, in addition to the lights or shapes prescribed in sub-paragraphs i and ii , the light, lights or shape prescribed in Rule The highest and lowest of these lights shall be red and the middle light shall be white; a rigid replica of the International Code flag "A" not less than 1 metre 3.

Measures shall be taken to ensure its all-round visibility. One of these lights or shapes shall be exhibited near the foremast head and one at each end of the fore yard. These lights or shapes indicate that it is dangerous for another vessel to approach within 1, metres 0.

Such signals are contained in Annex IV to these Regulations. Lights for vessels constrained by their draught A vessel constrained by her draft may, in addition to the lights prescribed for power-driven vessels in Rule 23, exhibit where they can best be seen three all-round red lights in a vertical line, or a cylinder.

Lights for pilot vessels a A vessel engaged on pilotage duty shall exhibit: at or near the masthead, two all-round lights in a vertical line, the upper being white and the lower red; when underway, in addition, sidelights and a sternlight; when at anchor, in addition to the lights prescribed in subparagraph 1 , the light, lights, or shape prescribed in Rule 30 for vessels at anchor.

Lights for vessels anchored and aground A vessel at anchor must display an all-round white light or one black ball in the fore part and another all-round white light at or near the stern at a lower level than the light in the fore part. BUT if the vessel is less than 50 meters in length it may exhibit an all-round white light where it can best be seen instead of the lights foresaid.

COLREGS The Rules of the Road .pdf - Salty John

Lights for 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 the Part she shall exhibit lights and shapes as closely similar in characteristics and position as is possible. Part D — Sound and light signals[ edit ] Definitions of whistle short blast 1 second , and prolonged blast 4—6 seconds. Equipment Vessels 12 metres On many vessels, a horn serves the purpose of a whistle.

Maneuvering and warning signals, using whistle or lights The signals are used when vessels are in sight of one another Sound signals to be used in restricted visibility The signals are used when vessels are in restricted visibility.

Signals to be used to attract attention.

Distress signals. When a vessel is in distress and requires assistance she shall use or exhibit the signals described in Annex IV to these Regulations.The water depth is small The differences in speed between both vessels are small.

O fficer o f the w atch OOW The officer of the watch is the person on duty who bears the responsibility on the navigation bridge. On some older ships, this could be problematic, since your own Bridge Superstructure and possibly engine noise by way of the sounds coming from the funnel exhaust noise might drown out all but the loudest sounds. Part D — Sound and light signals[ edit ] Rule 23, Power-driven vessels underway a A power-driven vessel underway shall exhibit: Vessel C must give way and slows down.

Rebeca Garza-Doty. Rule 6 mentions several factors that influence the definition of a safe speed.

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