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Maritime Knowledge base

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    • Bridge Equipment
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    • Maritime Law
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    • Security
    • Ship Construction
    • 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

Hawser

A rope used for towing or, mooring.A cable used in warping or mooring the vessel. … [Read more...]

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Hawse buckler

An iron plate covering a hawse hole. … [Read more...]

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Hawse (hawse pipe)

The usual position for the stowage of the ship’s anchors. The hawse pipes facilitate the run of chain cable when letting go the anchor. … [Read more...]

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HATCHWAYS

The square or oblong openings in the middle of the decks, for the convenience of lowering down goods; forming also the passages from one deck to another and into the hold. … [Read more...]

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Hatch

An opening in a ship's deck for passageway or for handling cargo or stores. … [Read more...]

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Harbor Dues

Various local charges against all seagoing vessels entering a harbor, to cover maintenance of channel depths, buoys, and lights. etc. All harbors do not necessarily have this charge. … [Read more...]

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Hand lead

A lead of from 7 to 14 pounds used with the hand lead line for ascertaining the depth of water in entering or leaving a harbor. (Line marked to 20 fathoms). … [Read more...]

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Hampered vessel

A vessel restricted by her ability to manoeuvre by the nature of her work. … [Read more...]

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Handy Size

Tankers of about 12,000 to 25,000 DWT. … [Read more...]

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Half cardinal points

The four main points lying between the cardinal points: north-east, south-east, south-west and north-west … [Read more...]

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