Engineering

Double Bottom Tank

A compartment at the bottom of the ship, between the inner and outer hull, used for ballast water, fuel, or as a safety measure against grounding.

Quick answer: A compartment at the bottom of the ship, between the inner and outer hull, used for ballast water, fuel, or as a safety measure against grounding.

This term page is part of the Protermify Maritime glossary and is published as static HTML for fast indexing and clear language coverage.

Languages

Quick answer

A compartment at the bottom of the ship, between the inner and outer hull, used for ballast water, fuel, or as a safety measure against grounding.

Why it matters

Double Bottom Tank matters because it supports clear communication in Engineering contexts for Deck Officers, Engine Officers, and Masters. It also connects to aviation training and exam language such as STCW, Marlins Test, ISF Watchkeeper, and GMDSS.

Editorial context

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Questions and answers

Questions and answers

What is Double Bottom Tank?

In this glossary, Double Bottom Tank refers to: A compartment at the bottom of the ship, between the inner and outer hull, used for ballast water, fuel, or as a safety measure against grounding.

How is Double Bottom Tank used in maritime?

In maritime communication, this term appears in contexts such as: "Sound all double bottom tanks and record levels in the ballast log before departure; report any discrepancies to the chief officer."

Why does Double Bottom Tank matter in maritime?

Double Bottom Tank matters because it supports clear communication in Engineering contexts for Deck Officers, Engine Officers, and Masters. It also connects to aviation training and exam language such as STCW, Marlins Test, ISF Watchkeeper, and GMDSS.

Who uses Double Bottom Tank?

Double Bottom Tank is mainly used by Deck Officers, Engine Officers, and Masters.

What category does Double Bottom Tank belong to?

In this glossary, Double Bottom Tank is grouped under Engineering. Related pages in this category explain adjacent procedures, commands and operational concepts.

Where does this definition come from?

This definition is sourced from IMO SMCP, STCW Convention, SOLAS, COLREG and published by Protermify Maritime as a static maritime reference page.

Definition

A compartment at the bottom of the ship, between the inner and outer hull, used for ballast water, fuel, or as a safety measure against grounding.

Operational example

Sound all double bottom tanks and record levels in the ballast log before departure; report any discrepancies to the chief officer.

Definition language

English reference definition

Source

IMO SMCP, STCW Convention, SOLAS, COLREG

Category

Engineering

Exam relevance

  • STCW
  • Marlins Test
  • ISF Watchkeeper
  • GMDSS

Target audience

  • Deck Officers
  • Engine Officers
  • Masters

Related terms

Use the related links below to continue through connected maritime terminology.

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