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Flight Phase

Tốc độ lên dương

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.

Quick answer: 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.

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Quick answer

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.

Why it matters

Tốc độ lên dương matters because it supports clear communication in Flight Phase contexts for Pilots, Air Traffic Controllers, and Cabin Crew. It also connects to aviation training and exam language such as ICAO Level 4, ICAO Level 5, ICAO Level 6, and EASA FCL.055.

Editorial context

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Questions and answers

Questions and answers

What is Tốc độ lên dương?

In this glossary, Tốc độ lên dương refers to: 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.

How is Tốc độ lên dương used in aviation?

In aviation communication, this term appears in contexts such as: "Sau khi cất cánh, cơ trưởng báo 'Tốc độ lên dương', cơ phó thu càng."

Why does Tốc độ lên dương matter in aviation?

Tốc độ lên dương matters because it supports clear communication in Flight Phase contexts for Pilots, Air Traffic Controllers, and Cabin Crew. It also connects to aviation training and exam language such as ICAO Level 4, ICAO Level 5, ICAO Level 6, and EASA FCL.055.

Who uses Tốc độ lên dương?

Tốc độ lên dương is mainly used by Pilots, Air Traffic Controllers, and Cabin Crew.

What category does Tốc độ lên dương belong to?

In this glossary, Tốc độ lên dương is grouped under Flight Phase. Related pages in this category explain adjacent procedures, commands and operational concepts.

Where does this definition come from?

This definition is sourced from ICAO Doc 9432, FAA PCG and published by Protermify Aviation as a static aviation reference page.

Definition

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.

Operational example

After liftoff, the pilot announces 'Positive rate' and the first officer responds by retracting the landing gear.

Localized term

Tốc độ lên dương

Localized example

Sau khi cất cánh, cơ trưởng báo 'Tốc độ lên dương', cơ phó thu càng.

Definition language

English reference definition

Source

ICAO Doc 9432, FAA PCG

Category

Flight Phase

Exam relevance

  • ICAO Level 4
  • ICAO Level 5
  • ICAO Level 6
  • EASA FCL.055

Target audience

  • Pilots
  • Air Traffic Controllers
  • Cabin Crew

Related terms

Use the related links below to continue through connected aviation terminology.

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