Aviation English
Meteorology

What is squall?

squall Sudden increase in wind speed of at least 15 knots, sustained for at least one minute.

Source: ICAO Doc 9432, FAA PCG

How is “squall” Used in Practice?

We encountered a squall on final at runway 18 with wind increase from 10 to 25 knots.

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 squall?

Sudden increase in wind speed of at least 15 knots, sustained for at least one minute.

Where can I learn this term for free?

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