What is High-Frequency Data Link?
In this glossary, High-Frequency Data Link 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 High-Frequency Data Link used in aviation?
In aviation communication, this term appears in contexts such as: "Use the High-Frequency Data Link as primary datalink when VHF and SATCOM coverage is unavailable."
Why does High-Frequency Data Link matter in aviation?
High-Frequency Data Link 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 High-Frequency Data Link?
High-Frequency Data Link is mainly used by Pilots, Air Traffic Controllers, and Cabin Crew.
What category does High-Frequency Data Link belong to?
In this glossary, High-Frequency Data Link 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.
