Cross (fix) at or below (altitude)

{
  "id": "MLC-T-AVN-000290",
  "term": "Cross (fix) at or below (altitude)",
  "field": "Aviation and air traffic control",
  "definition": "Used by ATC when a maximum crossing altitude at a specific fix is required. It does not prohibit the aircraft from crossing the fix at a lower altitude; however, it must be at or above the minimum IFR altitude.",
  "abbreviation": "ALTITUDE",
  "see_also": [
    "Altitude restriction",
    "Minimum IFR altitudes (MIA)"
  ],
  "references": [
    "14 CFR part 91",
    "FAA Pilot/Controller Glossary"
  ],
  "url": "https://mlchart.com/terminology/aviation/cross-fix-at-or-below-altitude/"
}