Aviation English
Flight Phase

Che cos'e Numero di Mach?

Numero di Mach The ratio of the true airspeed of an aircraft to the speed of sound under the same atmospheric conditions. Used in ATC for speed assignments and reporting in high-speed flight.

Source: ICAO Doc 9432, FAA PCG

How is “Numero di Mach” Used in Practice?

Mantieni Mach zero otto zero o superiore, avvisa se impossibile per turbolenza o limiti di prestazione.

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

Che cos'e Numero di Mach?

The ratio of the true airspeed of an aircraft to the speed of sound under the same atmospheric conditions. Used in ATC for speed assignments and reporting in high-speed flight.

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