Threshold crossing height

{
  "id": "MLC-T-AVN-000998",
  "term": "Threshold crossing height",
  "field": "Aviation and air traffic control",
  "definition": "The theoretical height above the runway threshold at which the aircraft's glideslope antenna would be if the aircraft maintains the trajectory established by the mean ILS glideslope or the altitude at which the calculated glidepath of an RNAV or GPS approaches.",
  "abbreviation": "TCH",
  "see_also": [
    "Glideslope",
    "Threshold"
  ],
  "references": [
    "FAA Pilot/Controller Glossary"
  ],
  "url": "https://mlchart.com/terminology/aviation/threshold-crossing-height/"
}