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Point d’égalité de temps

A calculated position along the planned route where the time required to continue to a suitable alternate aerodrome is the same as the time required to return to a different suitable alternate aerodrome, considering wind and performance.

Quick answer: A calculated position along the planned route where the time required to continue to a suitable alternate aerodrome is the same as the time required to return to a different suitable alternate aerodrome, considering wind and performance.

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Quick answer

A calculated position along the planned route where the time required to continue to a suitable alternate aerodrome is the same as the time required to return to a different suitable alternate aerodrome, considering wind and performance.

Why it matters

Point d’égalité de temps matters because it supports clear communication in Navigation 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 Point d’égalité de temps?

In this glossary, Point d’égalité de temps refers to: A calculated position along the planned route where the time required to continue to a suitable alternate aerodrome is the same as the time required to return to a different suitable alternate aerodrome, considering wind and performance.

How is Point d’égalité de temps used in aviation?

In aviation communication, this term appears in contexts such as: "Nous venons de passer le point d’égalité de temps ; destination et aéroports alternatifs sont à temps égal."

Why does Point d’égalité de temps matter in aviation?

Point d’égalité de temps matters because it supports clear communication in Navigation 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 Point d’égalité de temps?

Point d’égalité de temps is mainly used by Pilots, Air Traffic Controllers, and Cabin Crew.

What category does Point d’égalité de temps belong to?

In this glossary, Point d’égalité de temps is grouped under Navigation. 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

A calculated position along the planned route where the time required to continue to a suitable alternate aerodrome is the same as the time required to return to a different suitable alternate aerodrome, considering wind and performance.

Operational example

We have just passed the Equal Time Point; destination and alternate airports are now equidistant in flight time.

Localized term

Point d’égalité de temps

Localized example

Nous venons de passer le point d’égalité de temps ; destination et aéroports alternatifs sont à temps égal.

Definition language

English reference definition

Source

ICAO Doc 9432, FAA PCG

Category

Navigation

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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