SELCAL.
A system for alerting a specific aircraft that a radio station on the ground wishes to communicate with them, via transmitting an aircraft-specific sequence of audio tones over the aircraft's company radio frequency to an automatic decoder on board the aircraft.
Meaning & usage
A system for alerting a specific aircraft that a radio station on the ground wishes to communicate with them, via transmitting an aircraft-specific sequence of audio tones over the aircraft's company radio frequency to an automatic decoder on board the aircraft.
An alert sent via this system.
Where this word comes from
Blend of selective + calling.
To send a SELCAL alert to (an aircraft).
Where this word comes from
Blend of selective + calling.
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Definitions, grammatical labels, IPA, etymology and examples: Wiktionary contributors, extracted by Kaikki / Wiktextract. Adapted under CC BY-SA 4.0. Selected fields and authored examples are shown; third-party quotations and audio are omitted. See contributor history.
Last enriched 2026-09-10. Definitions are in English. Romanizations are shown when supplied by the source; syllable estimates are omitted for unsupported scripts.