Instrument approach operations [ICAO]

{
  "id": "MLC-T-AVN-000518",
  "term": "Instrument approach operations [ICAO]",
  "field": "Aviation and air traffic control",
  "definition": "An approach and landing using instruments for navigation guidance based on an instrument approach procedure. There are two methods for executing instrument approach operations:\n\na. A two-dimensional (2D) instrument approach operation, using lateral navigation guidance only; and\n\nb. A three-dimensional (3D) instrument approach operation, using both lateral and vertical navigation guidance.\n\nNOTE: Lateral and vertical navigation guidance refers to the guidance provided either by:\n\na) a ground-based radio navigation aid; or\n\nb) computer-generated navigation data from ground-based, space-based, self-contained navigation aids or a combination of these.",
  "subject": "ICAO",
  "see_also": [
    "Instrument approach procedure [ICAO]"
  ],
  "references": [
    "FAA Pilot/Controller Glossary"
  ],
  "url": "https://mlchart.com/terminology/aviation/instrument-approach-operations-icao/"
}