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Maritime Knowledge base

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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

Make colors

Hoisting the ensign at 8 a.m. and down at sunset. … [Read more...]

By Cult of Sea

Mate’s Receipt

a receipt for goods received and delivered on board the vessel. As the name implies, it is signed and issued by the Mate of the Ship, i.e. the Chief Officer. It may form the basis for the final B/L. … [Read more...]

By Cult of Sea

MARVS

is the maximum allowable relief valve setting of a cargo tank. … [Read more...]

By Cult of Sea

Maximum permissible payload

means the difference between the maximum operating gross weight or rating and the tare weight. … [Read more...]

By Cult of Sea

Moisture migration

is the movement of moisture contained in the bulk stow, when as a result of settling and consolidation, in conjunction with vibration and the ship’s movement, water is progressively displaced. Part or all of the bulk cargo may develop a flow state.  … [Read more...]

By Cult of Sea

Moisture content

is that percentage proportion of the total mass which is water, ice or other liquid. … [Read more...]

By Cult of Sea

Maximum angle of heel

a numerical figure usually calculated by a Ship’s Chief Officer in order to obtain the maximum angle that a ship would heel when making a heavy lift, to the maximum outreach of the derrick or crane, prior to the load being landed. … [Read more...]

By Cult of Sea

MSI

Maritime Safety InformationNavigational and meteorological warnings forecast and other urgent safety-related messages broadcast to ships. … [Read more...]

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MMSI

Maritime Mobile Service Identity9-Digit ITU identification number allocated to ships operating DSC or an SES. … [Read more...]

By Cult of Sea

Material Safety Data Sheet (MSDS)

A document identifying the substance and all its constituents, providing the recipient with all necessary information to safely manage the substance. The format and content of an MSDS for MARPOL Annex I cargoes and Marine Fuel Oils is prescribed in IMO Resolution MSC.150 (77). … [Read more...]

By Cult of Sea

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