Aviation English
Emergencies

What is Standby Instrument System?

Standby Instrument System An independent set of basic flight instruments that provide critical information in case of primary display failure.

Source: ICAO Doc 9432, FAA PCG

How is “Standby Instrument System” Used in Practice?

Primary flight display failure, using standby instrument system for altitude and attitude reference.

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

What is Standby Instrument System?

An independent set of basic flight instruments that provide critical information in case of primary display failure.

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