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What is Inertial Navigation System?

Inertial Navigation System A self-contained navigation system that determines aircraft position and velocity by processing accelerations and rotations measured by onboard sensors.

Source: ICAO Doc 9432, FAA PCG

How is “Inertial Navigation System” Used in Practice?

Confirm your Inertial Navigation System is aligned and providing position data.

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

inertial reference unitInertial Reference Systemair-data inertial reference unitADIRS-1 inoperative

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Frequently Asked Questions

What is Inertial Navigation System?

A self-contained navigation system that determines aircraft position and velocity by processing accelerations and rotations measured by onboard sensors.

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