Aviation English
Fueling Deicing

What is Tank inerting?

Tank inerting The process of introducing an inert gas, usually nitrogen, into an aircraft fuel tank to reduce oxygen concentration and minimize the risk of explosion or fire.

Source: ICAO Doc 9432, FAA PCG

How is “Tank inerting” Used in Practice?

Tank inerting is conducted to lower oxygen levels and ensure safe maintenance operations inside fuel tanks.

Certification Exam Relevance

ICAO Level 4ICAO Level 5ICAO Level 6EASA FCL.055

Who Needs to Know This Term?

  • Pilots
  • Air Traffic Controllers
  • Cabin Crew

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Frequently Asked Questions

What is Tank inerting?

The process of introducing an inert gas, usually nitrogen, into an aircraft fuel tank to reduce oxygen concentration and minimize the risk of explosion or fire.

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