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Long Haul

等時点チャート

A chart used in flight planning to determine the point at which the flight time to two alternate aerodromes is equal, commonly applied for ETOPS and long-range operations.

Quick answer: A chart used in flight planning to determine the point at which the flight time to two alternate aerodromes is equal, commonly applied for ETOPS and long-range operations.

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Quick answer

A chart used in flight planning to determine the point at which the flight time to two alternate aerodromes is equal, commonly applied for ETOPS and long-range operations.

Why it matters

等時点チャート matters because it supports clear communication in Long Haul 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 等時点チャート?

In this glossary, 等時点チャート refers to: A chart used in flight planning to determine the point at which the flight time to two alternate aerodromes is equal, commonly applied for ETOPS and long-range operations.

How is 等時点チャート used in aviation?

In aviation communication, this term appears in contexts such as: "等時点チャートによれば、ETPはシャノンとガンダー間の45北030西ウェイポイント上にある。"

Why does 等時点チャート matter in aviation?

等時点チャート matters because it supports clear communication in Long Haul 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 等時点チャート?

等時点チャート is mainly used by Pilots, Air Traffic Controllers, and Cabin Crew.

What category does 等時点チャート belong to?

In this glossary, 等時点チャート is grouped under Long Haul. 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 chart used in flight planning to determine the point at which the flight time to two alternate aerodromes is equal, commonly applied for ETOPS and long-range operations.

Operational example

According to the equal time chart, ETP is located over waypoint 45 North 030 West between Shannon and Gander.

Localized term

等時点チャート

Localized example

等時点チャートによれば、ETPはシャノンとガンダー間の45北030西ウェイポイント上にある。

Definition language

English reference definition

Source

ICAO Doc 9432, FAA PCG

Category

Long Haul

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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