Aviation English
Flight Phase

Apa itu Mach number?

Mach number 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 “Mach number” Used in Practice?

Pertahankan Mach nol delapan nol atau lebih, beri tahu jika tidak memungkinkan karena turbulensi atau keterbatasan performa.

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

Apa itu Mach number?

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.

Where can I learn this term for free?

Termify is a 100% free professional English app that teaches Mach number and 4,071+ other industry terms with native pronunciation, IPA transcriptions and career quizzes. Available on iOS in 23 languages. No subscription, no credit card required.

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