Quick Answer: How Is Risk Of Collision Determined?

What is a requirement for any action taken to avoid collision?


6 Action to Avoid Collision – Rule 8.


Any action taken 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..

What is maritime TSS?

A traffic separation scheme or TSS is a maritime traffic-management route-system ruled by the International Maritime Organization or IMO. … Within a TSS there is normally at least one traffic-lane in each main-direction, turning-points, deep-water lanes and separation zones between the main traffic lanes.

Which vector is preferred for determining risk of collision?

When determining close quarter situation or risk of collision exist use of relative vectors is preferred. It is a good practice to switch between true and relative vectors to gain a better appreciation of the navigational situation. When using a true vector, own ship and other ship moves at their true speed and course.

What is meant by risk of collision?

Risk of collision exists when two vessels are following courses that would take them to the same position in a few minutes. Risk of collision would NOT exist for two slow-moving vessels 16 miles apart heading for the same position.

How many rules are included in Part A section of COLREGs?

41 rulesThe COLREGs include 41 rules divided into six sections: Part A – General; Part B – Steering and Sailing; Part C – Lights and Shapes; Part D – Sound and Light signals; Part E – Exemptions; and Part F – Verification of compliance with the provisions of the Convention.

What is narrow channel and fairway?

What is “narrow” depends on the type of vessel and the circumstances. A “channel” is a natural or dredged lane restricted on either side by shallow water; it is often marked by buoys. A “fairway” is generally in open water, and the water on either side is not much shallower than within the fairway.

What describes a head on situation?

A head-on situation exists only when 2 POWER DRIVEN VESSELS are meeting on reciprocal or near reciprocal courses so as to involve risk of collision.

Why is Colreg important?

The International Regulations for Preventing Collisions at Sea 1972 (COLREGs) are a set of rules to be followed by navigation officers to avoid collisions at sea. It is one of the most important International Conventions that all seagoing Officers must understand and be able to apply to real world situations.

What corrective action must be taken to avoid collision from both ship?

Action to avoid collision should always be: Positive – make a big alteration of course and/or speed. Made in good time – which means early. Seamanlike – do not make the situation worse for any other ship in the vicinity, assess what they may have to do.

Which rule in Colreg that covers action to be taken to avoid collision?

ColRegs Rule 8ColRegs Rule 8: Action to avoid collision.

What are the actions to be taken in case of ship collision?

1. Inform the Master and Engine room: This is obvious, but make sure you inform the Master, if he is not on bridge. Inform the engine room and stop the engine. The officer on watch should not hesitate to call the master even if he has the slightest doubt about any given situation.

What is collision at sea?

Ship collision is the structural impact between two ships or one ship and a floating or still object such as an iceberg. Ship collisions are of particular importance in marine accidents. Some reasons for the latter are: … The environmental impact of oil spills, especially where large tanker ships are involved.

How do you describe a close quarter situation?

Related Definitions close quarters situation means a situation in whichvessels pass each other, or a vessel passes another vessel, a person or an object, in such proximity that a reasonable person would conclude that in all the circumstances there was a risk of an imminent collision.

How can risk of collisions be avoided?

Collision Avoidance ChecklistAvoid ship channels where possible, or cross them quickly.Be alert: Watch for ship traffic.Think before you drink! … Be seen, especially at night.Know whistle signals: Five or more mean danger.Use radio channel 13 for bridge-to-bridge communication.Use up-to-date navigation charts.More items…

What are the causes of ship collision?

Primary Causes of Maritime AccidentsLong Hours, Lack of sleep leading to Fatigue.Inexperience, and lack of training.Long voyages, extended time at sea.Personal relationships aboard the vessel.Reckless Behavior, including abuse of drugs and alcohol.Poor decision making and/or negligence.Pressures and stress of Job Duties.