MEL and CDL MEL and CDL

代替手順必要

Standard operating sequence unavailable; crew must follow officially published alternate or contingency checklist.

Quick answer: Standard operating sequence unavailable; crew must follow officially published alternate or contingency checklist.

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Languages

Quick answer

Standard operating sequence unavailable; crew must follow officially published alternate or contingency checklist.

Why it matters

代替手順必要 matters because it supports clear communication in MEL and CDL MEL and CDL 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 代替手順必要?

In this glossary, 代替手順必要 refers to: Standard operating sequence unavailable; crew must follow officially published alternate or contingency checklist.

How is 代替手順必要 used in aviation?

In aviation communication, this term appears in contexts such as: "タワー、ARROW86、滑走路閉鎖のためC誘導路代替出発が必要。"

Why does 代替手順必要 matter in aviation?

代替手順必要 matters because it supports clear communication in MEL and CDL MEL and CDL 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 代替手順必要?

代替手順必要 is mainly used by Pilots, Air Traffic Controllers, and Cabin Crew.

What category does 代替手順必要 belong to?

In this glossary, 代替手順必要 is grouped under MEL and CDL MEL and CDL. 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

Standard operating sequence unavailable; crew must follow officially published alternate or contingency checklist.

Operational example

Tower, ARROW eight six, due runway closure alternate procedure required for departure via taxiway Charlie.

Localized term

代替手順必要

Localized example

タワー、ARROW86、滑走路閉鎖のためC誘導路代替出発が必要。

Definition language

English reference definition

Source

ICAO Doc 9432, FAA PCG

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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