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Mode (SSR mode) [ICAO]

Term · Aviation and air traffic control · MLC-T-AVN-000632

The letter or number assigned to a specific pulse spacing of the interrogation signals transmitted by an interrogator. There are 4 modes, A, B, C and D specified in Annex 10, corresponding to four different interrogation pulse spacings.

Table 1. Record
IdentifierMLC-T-AVN-000632
FieldAviation and air traffic control
SubjectICAO
ReferencesFAA Pilot/Controller Glossary
Record as JSON 
{
  "id": "MLC-T-AVN-000632",
  "term": "Mode (SSR mode) [ICAO]",
  "field": "Aviation and air traffic control",
  "definition": "The letter or number assigned to a specific pulse spacing of the interrogation signals transmitted by an interrogator. There are 4 modes, A, B, C and D specified in Annex 10, corresponding to four different interrogation pulse spacings.",
  "subject": "ICAO",
  "references": [
    "FAA Pilot/Controller Glossary"
  ],
  "url": "https://mlchart.com/terminology/aviation/mode-ssr-mode-icao/"
}

Record 632 of 1,122 in Aviation and air traffic control terminology (MLC-0104). Request the full dataset.