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备用惯性空数基准单元 是什么？

备用惯性空数基准单元 Independent backup ADIRU providing attitude, heading, and air-data when primary systems are degraded or failed.

Source: ICAO Doc 9432, FAA PCG

How is “备用惯性空数基准单元” Used in Practice?

进近，SKY521，转用备用ADIRU，精度降低，请求终端向导。

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

备用惯性空数基准单元 是什么？

Independent backup ADIRU providing attitude, heading, and air-data when primary systems are degraded or failed.

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