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Advanced ATC

Liaison de données haute fréquence

A long-range communication system enabling digital message exchange between aircraft and ground stations via high-frequency (HF) radio bands, often used for ATC datalink in oceanic and remote airspace (ICAO Doc 10037).

Quick answer: A long-range communication system enabling digital message exchange between aircraft and ground stations via high-frequency (HF) radio bands, often used for ATC datalink in oceanic and remote airspace (ICAO Doc 10037).

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Quick answer

A long-range communication system enabling digital message exchange between aircraft and ground stations via high-frequency (HF) radio bands, often used for ATC datalink in oceanic and remote airspace (ICAO Doc 10037).

Why it matters

Liaison de données haute fréquence matters because it supports clear communication in Advanced ATC 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 Liaison de données haute fréquence?

In this glossary, Liaison de données haute fréquence refers to: A long-range communication system enabling digital message exchange between aircraft and ground stations via high-frequency (HF) radio bands, often used for ATC datalink in oceanic and remote airspace (ICAO Doc 10037).

How is Liaison de données haute fréquence used in aviation?

In aviation communication, this term appears in contexts such as: "Utilisez la liaison de données haute fréquence comme liaison principale lorsque la couverture VHF et SATCOM est indisponible."

Why does Liaison de données haute fréquence matter in aviation?

Liaison de données haute fréquence matters because it supports clear communication in Advanced ATC 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 Liaison de données haute fréquence?

Liaison de données haute fréquence is mainly used by Pilots, Air Traffic Controllers, and Cabin Crew.

What category does Liaison de données haute fréquence belong to?

In this glossary, Liaison de données haute fréquence is grouped under Advanced ATC. 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 long-range communication system enabling digital message exchange between aircraft and ground stations via high-frequency (HF) radio bands, often used for ATC datalink in oceanic and remote airspace (ICAO Doc 10037).

Operational example

Use the High-Frequency Data Link as primary datalink when VHF and SATCOM coverage is unavailable.

Localized term

Liaison de données haute fréquence

Localized example

Utilisez la liaison de données haute fréquence comme liaison principale lorsque la couverture VHF et SATCOM est indisponible.

Definition language

English reference definition

Source

ICAO Doc 9432, FAA PCG

Category

Advanced ATC

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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