What is PDV vessel?

Rule 18(a): “A power-driven vessel underway shall keep out of the way of: a sailing vessel.” In this case Power-Driven Vessel (PDV) should take immediate action without sounding the 5 short blasts to avoid collision and keep clear of vessel of less than 20 metres in length or a sailing vessel .
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What is Rule 18 responsibility between vessel?

Vessels constrained by their draught. Any vessel, except a vessel not under command or restricted in her ability to manoeuvre, must avoid impeding the safe passage of a vessel constrained by her draught and exhibiting the signals mentioned in Rule 28.
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What is Rule No 35?

Rule 35. Sound signals in restricted visibility. In or near an area of restricted visibility, whether by day or night, the signals prescribed in this Rule shall be used as follows : (a) A power-driven vessel making way through the water shall sound at intervals of not more than 2 minutes one prolonged blast.
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What does ROR mean in maritime?

Operation / Boat Handling. Operation / Rules of The Road (ROR) Operation / Maritime Law.
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What is a abaft light?

Abaft - A direction toward the stern. Abeam - A direction at right angles to the pleasure craft.
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PDV to Mine Clearance Vessel



What does abeam mean in sailing?

Definition of abeam

: off to the side of a ship or plane especially at a right angle to the middle of the ship or plane's length.
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What is 22.5 abaft the beam?

(b) 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.
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What is Rule No 17?

Rule 17 deals with the action of the stand-on vessel, including the provision that the stand-on vessel may "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.
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What is seamanship and navigation?

Seamanship is the art of operating a vessel. Specifically, it is a compilation of the skills and knowledge entailed in navigation, boat handling, maintenance, and the law of the sea. It involves working as part of a crew and when the occasion arises, leading a crew in the role of a skipper.
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What is the meaning of COLREGs?

The International Regulations for Preventing Collisions at Sea, more commonly known as the COLREGS, are quite simply, the 'rules of the road' for ships and other vessels at sea; they set out the conduct of vessels in any condition of visibility, in sight of each other and in restricted visibility.
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What is fog signal?

fog signal, sound or light signal emitted in fog or mist by lighthouses and buoys to indicate a shoreline, channel, or dangerous stretch of water and by vessels to indicate their position.
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How many blasts are in fog?

In foggy conditions you hear one prolonged blast plus two short blasts every two minutes.
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What is the fog signal for a vessel?

If you hear the fog signal of a vessel you cannot see, slow to a minimum speed until you are sure there is not a risk of collision. One prolonged blast at intervals of not more than two minutes is the signal used by power-driven vessels when underway.
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What is narrow channel in ROR?

(i) A vessel proceeding along the course of a narrow channel or fairway shall keep as near to the other limit of the channel or fairway which lies on her starboard side as is safe and practicable.
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What is stand-on vessel?

Stand-on vessel: The vessel that must maintain its course and speed unless it becomes apparent that the give-way vessel is not taking appropriate action. If you must take action, do not turn toward the give-way vessel or cross in front of it.
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Does Rule 18 apply to TSS?

Yes it applies as per rule 10a this rule doesnt relieve any vessel of her obligation under any other rule except sailing vessel and fishing vessel whhic has to comply with 10i and 10j.
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What are the 3 types of navigation?

There are three main types of navigation that we will discuss in this article:
  • Main Navigation.
  • Local Navigation.
  • Contextual Navigation.
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What are the 4 pillars of IMO?

The 4 Pillars: SOLAS, STCW, MARPOL, AND MLC.
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What is the importance of seamanship for a seafarer?

It's worth also to mention that seamanship involves a knowledge on a variety of fields and development of specialized skills including but not limited to: management, navigation, weather meteorology and forecasting, watch keeping, ship-handling, operation of deck equipment, cargo pumps, anchors and cables, ...
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What are the 72 COLREGs?

The International Regulations for Preventing Collisions at Sea 1972 (COLREGS) are published by the International Maritime Organization and are recognized as the navigation rules followed internationally by ships and other vessels at sea.
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What are the 6 sections of Colreg?

The COLREG 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.
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Why is Colreg important?

The aim of the Collision Regulations (COLREGs) is to establish rules to avoid collision at sea. The increasing number of ships and condensed traffic on the sea lines of communication makes the COLREGs rather important for safety of the seas.
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What is Rule 13 overtaking vessel?

Rule 13 (overtaking):

(a) 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.
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What does boat Draught mean?

A boat's draft is simply the distance between the waterline and the deepest point of the boat. Expressed another way, boat draft is the minimum amount of water required to float the boat without touching the bottom. It's also common to hear that a boat “draws 24 inches,” which means its draft in 24 inches.
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What is meant by safe speed?

A safe speed is a speed less than the maximum at which the operator can take proper and effective action to avoid collision and stop within a distance appropriate to the prevailing circumstances and conditions.
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