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  • Colreg’s (ROR)
    • Index (Colreg’s)
    • Part A- General
      • Rule 1 – Application
      • Rule 2 – Responsibility
      • Rule 3 – General Definitions
    • Part B- Steering and Sailing
      • Section 1 (Rule 4 -10)
        • Rule 4 – Application
        • Rule 5 – Lookout
        • Rule 6 – Safe Speed
        • Rule 7 – Risk of collision
        • Rule 8 – Action to avoid collision
        • Rule 9 – Narrow Channels
        • Rule 10 – Traffic separation schemes
      • Section 2 (Rule 11 – 18)
        • Rule 11 – Application
        • Rule 12 – Sailing vessels
        • Rule13 – Overtaking
        • Rule 14 – Head on situation
        • Rule 15 – Crossing situation
        • Rule 16 – Action by give-way vessel
        • Rule 17 – Action by stand-on vessel
        • Rule 18 – Responsibilities between vessels
      • Section 3 (Rule 19)
        • Rule 19 – Conduct of vessels in restricted visibility
    • Part C- Lights and Shapes
      • Rule 20 – Application
      • Rule 21- Definitions
      • Rule 22 – Visibility of lights
      • Rule 23 – Power-driven vessels underway
      • Rule 24 – Towing and pushing
      • Rule 25 – Sailing vessels underway and vessels under oars
      • Rule 26 – Fishing vessels
      • Rule 27 – Vessels N.U.C or R.A.M
      • Rule 28 – Vessels constrained by their draught
      • Rule 29 – Pilot vessels
      • Rule 30 – Anchored vessels and vessels aground
      • Rule 31 – Seaplanes
    • Part D- Sound and Light Signals
      • Rule 32 – Definitions
      • Rule 33 – Equipment for sound signals
      • Rule 34 – Manoeuvring and warning signals
      • Rule 35 – Sound signals in restricted visibility
      • Rule 36 : Signals to attract attention
      • Rule 37 – Distress signals
    • Part E- Exemptions (Rule 38)
      • Rule 38 – Exemptions
    • Part F – Verification of compliance with the provisions of the Convention
      • Rule 39 – Definitions
      • Rule 40 – Application
      • Rule 41 – Verification of compliance
    • Annexes
      • Annex 1 – Positioning and technical details of lights and shapes
      • ANNEX II – Additional Signals for Fishing Vessels Fishing in Close Proximity
      • ANNEX III – Technical Details of Sound Signal Appliances
      • ANNEX IV – Distress Signals
  • Glossary
  • Contact

AA AA (Always afloat, always accessible)

Always afloat, always accessible Always afloat In order to prevent a vessel from being ordered to proceed to a berth where she cannot  load or discharge without touching the ground or which can only be reached safely after discharging part of the cargo into lighters or which can only be reached with spring tide, the so-called "always safely afloat clause'' is inserted in the charterparty.This clause may read as follows (as in the GENCON voyage charterparty for dry cargo):". .. the vessel shall proceed to . .. or so near thereto as-she may safely get and lie afloat . . . and being so … [Read more...]

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Anchor cock-bill

The situation of the anchor when it hangs by the stopper at the cathead. … [Read more...]

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At anchor

The situation of a ship riding at her anchor. … [Read more...]

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Aweigh

The when applied to the anchor, it means that the anchor is drawn out of the ground, in a perpendicular direction, by the cable or buoy rope. The topsails are said to be atrip when they are hoisted up to the mast-head, to their utmost extent. … [Read more...]

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AUSREP

A vessel position-reporting system similar to AMVER, but operated by the Australian Authorities. … [Read more...]

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Athwartships

At right angles to the fore-and-aft line of the vessel (sideways-across). … [Read more...]

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ATRS

A standard of reference published by a group of American Tanker brokers and expressed in dollars and cents for thousands of possible voyages. Commonly used for U.S. coastwise voyages. … [Read more...]

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Awning

A canvas canopy secured over the ship's deck as a protection from the weather (covering). … [Read more...]

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Aye, aye, sir

The reply to an officer's order signifying that he is understood and will be obeyed (I understood the Order). … [Read more...]

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Astern

The bearing of an object 180 degrees from ahead (behind).Any distance behind a ship, as opposite to AHEAD Direction. … [Read more...]

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