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Long Haul

双発長距離運航

Operation of twin-engine aircraft on routes where a diversion airport may be more than 60 minutes away at one-engine inoperative cruise speed, subject to special performance and dispatch requirements (ETOPS).

Quick answer: Operation of twin-engine aircraft on routes where a diversion airport may be more than 60 minutes away at one-engine inoperative cruise speed, subject to special performance and dispatch requirements (ETOPS).

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Quick answer

Operation of twin-engine aircraft on routes where a diversion airport may be more than 60 minutes away at one-engine inoperative cruise speed, subject to special performance and dispatch requirements (ETOPS).

Why it matters

双発長距離運航 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 双発長距離運航?

In this glossary, 双発長距離運航 refers to: Operation of twin-engine aircraft on routes where a diversion airport may be more than 60 minutes away at one-engine inoperative cruise speed, subject to special performance and dispatch requirements (ETOPS).

How is 双発長距離運航 used in aviation?

In aviation communication, this term appears in contexts such as: "センター、ABN123 は DOGGO で双発長距離運航区間に入ったことを確認、燃料チェック完了、太平洋横断の位置通報を要求します。"

Why does 双発長距離運航 matter in aviation?

双発長距離運航 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 双発長距離運航?

双発長距離運航 is mainly used by Pilots, Air Traffic Controllers, and Cabin Crew.

What category does 双発長距離運航 belong to?

In this glossary, 双発長距離運航 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

Operation of twin-engine aircraft on routes where a diversion airport may be more than 60 minutes away at one-engine inoperative cruise speed, subject to special performance and dispatch requirements (ETOPS).

Operational example

Center, ABN123 confirms Extended Twin Operations segment entry at DOGGO, fuel check complete, requesting position report for the Pacific crossing.

Localized term

双発長距離運航

Localized example

センター、ABN123 は DOGGO で双発長距離運航区間に入ったことを確認、燃料チェック完了、太平洋横断の位置通報を要求します。

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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