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What is Standby ADIRU?

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

Source: ICAO Doc 9432, FAA PCG

How is “Standby ADIRU” Used in Practice?

Approach, SKY 521, on standby ADIRU, accuracy reduced, request vectors to final.

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

ADIRS-1 inoperativeCompass deviationFlight Management Systemflight management system

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Frequently Asked Questions

What is Standby ADIRU?

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

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