Mode C intruder alert

{
  "id": "MLC-T-AVN-000631",
  "term": "Mode C intruder alert",
  "field": "Aviation and air traffic control",
  "definition": "A function of certain air traffic control automated systems designed to alert radar controllers to existing or pending situations between a tracked target (known IFR or VFR aircraft) and an untracked target (unknown IFR or VFR aircraft) that requires immediate attention/action.",
  "see_also": [
    "Conflict alert"
  ],
  "references": [
    "FAA Pilot/Controller Glossary"
  ],
  "url": "https://mlchart.com/terminology/aviation/mode-c-intruder-alert/"
}