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Maritime Knowledge base

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    • Bridge Equipment
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    • Ship Handling
    • Ship Stability
    • Shippie’s Escape
    • Surveys
    • Tankers
  • 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

Actual Total Loss

Actual Total Loss means when the subject matter is destroyed or so damaged as to cease to be the thing of the kind insured or the assured is irretrievably deprived of the subject matter insured. When a ship concerned is missing and after a lapse of a reasonable time, no news of her has been received, an actual total loss can be presumed. An actual total loss can occur in four ways:where property insured is actually destroyed e.g. a ship is wrecked or burnt out or where the goods are totally crushed in the collapse of a stow of cargo; where goods change their character in such a … [Read more...]

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Aft Peak Tank

A water tank set right aft of the vessel. It will either be a designated freshwater tank or a ballast water tank used for adjusting the ship’s trim. … [Read more...]

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A Frame

A support structure to provide rigidity to the shaft of a twin-propeller construction. It is shaped like a turned-over ‘A’, hence its name, where the propeller shaft is supported at the apex of the structure. … [Read more...]

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Anti-static additive

A substance added to a petroleum product to raise its electrical conductivity to a safe level above 50 picoSiemens/metre (pS/m) to prevent accumulation of static electricity. … [Read more...]

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Auto ignition temperature

is the lowest temperature at which a substance will start to burn without the aid of an external flame. Spontaneous combustion begins, provided that conditions are right, when auto-ignition temperature is attained. … [Read more...]

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Angle of repose

the natural angle between the cone slope and the horizontal plane when bulk cargo is emptied onto this plane in ideal conditions. A value is quoted for specific types of cargoes, results being obtained from use of a ‘tilting box’. The angle of repose value is used as a means of registering the likelihood of a cargo shift during the voyage.An angle of repose of 35° is taken as being the dividing line for bulk cargoes of lesser or greater shifting hazard and cargoes having angles of repose of more or less than the figure are considered separately. … [Read more...]

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AWRI Additional War Risk Insurance

This is an extra amount paid to the owner of a time-chartered vessel if the ship is ordered to a port or an area in which war or hostilities are taking place and the shipowner's insurers require an additional insurance premium for the vessel to be considered to be covered against risks in that place. … [Read more...]

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Australian holds ladders

If a vessel is fixed to trade to and from Australia, either on a time charter or on a voyage charter, it may be required by the charterers that the vessel is provided with ladders acceptable to waterside workers (stevedores) in that country. The ladders are required because of demands from waterside workers unions. These ladders are quite expensive to fit to the vessel and if the vessel requires waterside workers to enter into the cargo holds, yet is not fitted with these ladders, the vessel can be severely delayed. … [Read more...]

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ASBATIME

The code name given to the 1981 derivation of the original New York Produce Exchange form (NYPE) of charterparty. The 1981 version was published by The Association of Shipbrokers and Agents U.S.A. Inc. (ASBA), New York. … [Read more...]

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ASBA II (ASBATANKVOY)

A standard-form voyage charterparty for tankers published by ASBA in 1984. … [Read more...]

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