Mode S

proper noun

A Secondary surveillance radar process allowing a selective interrogation of an aircraft according to a unique 24-bit address assigned to each.

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Meanings

proper noun
  1. navigation; radar; navigation; radarA Secondary surveillance radar process allowing a selective interrogation of an aircraft according to a unique 24-bit address assigned to each.
Cite this entry
APA

Mode S. (n.d.). In WatkinsX Dictionary. Retrieved November 3, 2026, from https://dictionary.watkinsx.com/word/Mode%20S

MLA

“Mode S.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/Mode%20S. Accessed November 3, 2026.

Chicago

WatkinsX Dictionary, s.v. “Mode S,” accessed November 3, 2026, https://dictionary.watkinsx.com/word/Mode%20S.

Source: Mode S on Wiktionary, CC BY-SA 4.0.