Aviation English
Flight Phase

Qu'est-ce que Taux positif ?

Taux positif An indication, after takeoff, that the aircraft is climbing and the rate of climb is greater than zero as shown on the vertical speed indicator (VSI). Used by pilots to confirm climb before gear retraction.

Source: ICAO Doc 9432, FAA PCG

How is “Taux positif” Used in Practice?

Après le décollage, le pilote annonce 'Taux positif' et le copilote rentre le train d’atterrissage.

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

Qu'est-ce que Taux positif ?

An indication, after takeoff, that the aircraft is climbing and the rate of climb is greater than zero as shown on the vertical speed indicator (VSI). Used by pilots to confirm climb before gear retraction.

Where can I learn this term for free?

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