Cargo

Ullage Survey

The process of measuring the empty space (ullage) in a cargo tank to determine the amount of liquid cargo loaded or remaining.

Quick answer: The process of measuring the empty space (ullage) in a cargo tank to determine the amount of liquid cargo loaded or remaining.

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

The process of measuring the empty space (ullage) in a cargo tank to determine the amount of liquid cargo loaded or remaining.

Why it matters

Ullage Survey matters because it supports clear communication in Cargo 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 Ullage Survey?

In this glossary, Ullage Survey refers to: The process of measuring the empty space (ullage) in a cargo tank to determine the amount of liquid cargo loaded or remaining.

How is Ullage Survey used in maritime?

In maritime communication, this term appears in contexts such as: "After loading is complete, conduct an ullage survey of all cargo tanks and report the figures to the terminal representative."

Why does Ullage Survey matter in maritime?

Ullage Survey matters because it supports clear communication in Cargo 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 Ullage Survey?

Ullage Survey is mainly used by Deck Officers, Engine Officers, and Masters.

What category does Ullage Survey belong to?

In this glossary, Ullage Survey is grouped under Cargo. 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

The process of measuring the empty space (ullage) in a cargo tank to determine the amount of liquid cargo loaded or remaining.

Operational example

After loading is complete, conduct an ullage survey of all cargo tanks and report the figures to the terminal representative.

Definition language

English reference definition

Source

IMO SMCP, STCW Convention, SOLAS, COLREG

Category

Cargo

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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