Aviation English
Emergencies

双液压系统失效 是什么？

双液压系统失效 A simultaneous failure of two independent hydraulic systems on an aircraft, significantly degrading control and operational capability.

Source: ICAO Doc 9432, FAA PCG

How is “双液压系统失效” Used in Practice?

求救，双液压系统失效，飞行控制能力极限，请求紧急降落。

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

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Frequently Asked Questions

双液压系统失效 是什么？

A simultaneous failure of two independent hydraulic systems on an aircraft, significantly degrading control and operational capability.

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