Emergencies

緊急降下

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

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

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

Languages

Quick answer

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

Why it matters

緊急降下 matters because it supports clear communication in Emergencies contexts for Pilots, Air Traffic Controllers, and Cabin Crew. It also connects to aviation training and exam language such as ICAO Level 4, ICAO Level 5, ICAO Level 6, and EASA FCL.055.

Editorial context

This page is rendered as static HTML from source-backed terminology data so search engines and AI systems can parse the content without client-side code.

Questions and answers

Questions and answers

What is 緊急降下?

In this glossary, 緊急降下 refers to: A rapid descent initiated by flight crew in response to a pressurization failure, smoke, or other onboard emergency.

How is 緊急降下 used in aviation?

In aviation communication, this term appears in contexts such as: "客室の与圧喪失のため、乗務員はFL100への緊急降下を開始した。"

Why does 緊急降下 matter in aviation?

緊急降下 matters because it supports clear communication in Emergencies contexts for Pilots, Air Traffic Controllers, and Cabin Crew. It also connects to aviation training and exam language such as ICAO Level 4, ICAO Level 5, ICAO Level 6, and EASA FCL.055.

Who uses 緊急降下?

緊急降下 is mainly used by Pilots, Air Traffic Controllers, and Cabin Crew.

What category does 緊急降下 belong to?

In this glossary, 緊急降下 is grouped under Emergencies. Related pages in this category explain adjacent procedures, commands and operational concepts.

Where does this definition come from?

This definition is sourced from ICAO Doc 9432, FAA PCG and published by Protermify Aviation as a static aviation reference page.

Definition

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

Operational example

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

Localized term

緊急降下

Localized example

客室の与圧喪失のため、乗務員はFL100への緊急降下を開始した。

Definition language

English reference definition

Source

ICAO Doc 9432, FAA PCG

Category

Emergencies

Exam relevance

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

Target audience

  • Pilots
  • Air Traffic Controllers
  • Cabin Crew

Related terms

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

Back to glossary