Maritime English
Emergency Communication

What is Closed Breathing Apparatus?

Closed Breathing Apparatus A self-contained device that provides breathable air in hazardous or smoke-filled environments, preventing the inhalation of toxic gases.

Source: IMO SMCP, STCW Convention, SOLAS, COLREG

How is “Closed Breathing Apparatus” Used in Practice?

Fire party, don closed breathing apparatus before entering smoke-filled compartments and check facepiece seal for secure fit.

Certification Exam Relevance

STCWMarlins TestISF WatchkeeperGMDSS

Who Needs to Know This Term?

  • Deck Officers
  • Engine Officers
  • Masters

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Frequently Asked Questions

What is Closed Breathing Apparatus?

A self-contained device that provides breathable air in hazardous or smoke-filled environments, preventing the inhalation of toxic gases.

Where can I learn this term for free?

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