Aviation English
Advanced ATC

What is Global Navigation Satellite System Spoofing?

Global Navigation Satellite System Spoofing A deliberate electronic attack that manipulates GNSS signals to provide false position or timing data to aircraft, endangering navigation and surveillance integrity (ICAO Annex 10, EASA SIB 2020-07).

Source: ICAO Doc 9432, FAA PCG

How is “Global Navigation Satellite System Spoofing” Used in Practice?

ATC warned all flights of suspected Global Navigation Satellite System Spoofing near the border region.

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 Global Navigation Satellite System Spoofing?

A deliberate electronic attack that manipulates GNSS signals to provide false position or timing data to aircraft, endangering navigation and surveillance integrity (ICAO Annex 10, EASA SIB 2020-07).

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