Blind speed

{
  "id": "MLC-T-AVN-000178",
  "term": "Blind speed",
  "field": "Aviation and air traffic control",
  "definition": "The rate of departure or closing of a target relative to the radar antenna at which cancellation of the primary radar target by moving target indicator (MTI) circuits in the radar equipment causes a reduction or complete loss of signal.",
  "see_also": [
    "Blind velocity [ICAO]"
  ],
  "references": [
    "FAA Pilot/Controller Glossary"
  ],
  "url": "https://mlchart.com/terminology/aviation/blind-speed/"
}