Cult of Sea

Maritime Knowledge base

  • Home
  • Knowledge base
    • Bridge Equipment
    • Cargo Work
    • Deck
    • General
    • Gmdss
    • Maritime Law
    • Marpol
    • MLC 2006
    • Meteorology
    • Navigation
    • Safety
    • 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
You are here: Home / glossary / Double up

Double up

Double up

Created OnFebruary 6, 2018
byCult of Sea
Print
You are here:
  • Glossary
  • D
  • Double up
< Back to Glossary Index

To double a vessel’s mooring lines.

Related:

  • Bitts
  • Arrived ship
  • Mooring Line
  • Air Draft
  • Hog (Hogging)
  • Cancelling date or Laycan

By Cult of Sea

Simple Colregs COS Ad

Join Our List

Subscribe to our mailing list and get interesting stuff and updates to your email inbox.

Powered with ♥ by Cult of Sea

instagram-button

What others are reading

TRS Cloud Structure

TRS or a Tropical Revolving Storm

Minimum Age MLC 2006

Minimum age – MLC 2006

Types of Combination Carriers

Hatch Covers

Hatch Cover and Access Lids

Narrow Channels

Rule 9 – Narrow Channels

Cargo Calculations – Tanker Work

Part C Lights and Shapes

Rule 26 – Fishing vessels

Gas Tanker - Hazards & Definitions

Gas Tanker Basics – Definitions and Hazards

vts

Vessel Traffic Service (VTS) – Purpose, Organisation and its components

Dragging Anchor

How do you make out if the Anchor is dragging?

GPS (Global Positioning System)

Employment Agreement

Seafarers employment agreements – MLC 2006

Blu code

BLU Code – Code Of Practice For The Safe Loading And Unloading Of Bulk Carriers

Epirb

EPIRB – Performance Standards (406Mhz)

intact stability

Intact Stability – Tankers


About Us | Terms | Contact Us | Sitemap | Marine Glossary (BETA)

Cult of Sea®™ · Made with ❤ by a small band of sailors