Long Haul

Critical Fuel State

A situation where an aircraft's fuel supply has reached a level where it can only proceed to the intended destination and no further delay can be accepted.

Quick answer: A situation where an aircraft's fuel supply has reached a level where it can only proceed to the intended destination and no further delay can be accepted.

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Quick answer

A situation where an aircraft's fuel supply has reached a level where it can only proceed to the intended destination and no further delay can be accepted.

Why it matters

Critical Fuel State 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 Critical Fuel State?

In this glossary, Critical Fuel State refers to: A situation where an aircraft's fuel supply has reached a level where it can only proceed to the intended destination and no further delay can be accepted.

How is Critical Fuel State used in aviation?

In aviation communication, this term appears in contexts such as: "Mayday, mayday, mayday, Speedbird 101, critical fuel state, unable to accept any further delay, request immediate approach."

Why does Critical Fuel State matter in aviation?

Critical Fuel State 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 Critical Fuel State?

Critical Fuel State is mainly used by Pilots, Air Traffic Controllers, and Cabin Crew.

What category does Critical Fuel State belong to?

In this glossary, Critical Fuel State 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 situation where an aircraft's fuel supply has reached a level where it can only proceed to the intended destination and no further delay can be accepted.

Operational example

Mayday, mayday, mayday, Speedbird 101, critical fuel state, unable to accept any further delay, request immediate approach.

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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