MEL and CDL MEL and CDL

需采用备用程序

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

需采用备用程序 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 需采用备用程序?

In this glossary, 需采用备用程序 refers to: Standard operating sequence unavailable; crew must follow officially published alternate or contingency checklist.

How is 需采用备用程序 used in aviation?

In aviation communication, this term appears in contexts such as: "塔台,ARROW86,跑道关闭;需经C滑行道采用备用起飞程序。"

Why does 需采用备用程序 matter in aviation?

需采用备用程序 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 需采用备用程序?

需采用备用程序 is mainly used by Pilots, Air Traffic Controllers, and Cabin Crew.

What category does 需采用备用程序 belong to?

In this glossary, 需采用备用程序 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

需采用备用程序

Localized example

塔台,ARROW86,跑道关闭;需经C滑行道采用备用起飞程序。

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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