Aviation English
Emergencies

What is Emergency Descent?

Emergency Descent A rapid descent initiated by flight crew in response to a pressurization failure, smoke, or other onboard emergency.

Source: ICAO Doc 9432, FAA PCG

How is “Emergency Descent” Used in Practice?

Due to cabin depressurization, the crew initiated an emergency descent to FL100.

Certification Exam Relevance

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

Who Needs to Know This Term?

  • Pilots
  • Air Traffic Controllers
  • Cabin Crew

Related Aviation English Terms

Loss Of PressurizationCabin SmokeEmergency DescentDrift down

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Frequently Asked Questions

What is Emergency Descent?

A rapid descent initiated by flight crew in response to a pressurization failure, smoke, or other onboard emergency.

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