Aviation English
Aircraft Systems

What is air-data inertial reference unit?

air-data inertial reference unit An advanced aircraft system combining air data sensors and inertial reference to provide navigation and performance data.

Source: ICAO Doc 9432, FAA PCG

How is “air-data inertial reference unit” Used in Practice?

Air-Data Inertial Reference Unit fault, switching to standby navigation source and monitoring air data reliability.

Certification Exam Relevance

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

Who Needs to Know This Term?

  • Pilots
  • Air Traffic Controllers
  • Cabin Crew

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Frequently Asked Questions

What is air-data inertial reference unit?

An advanced aircraft system combining air data sensors and inertial reference to provide navigation and performance data.

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