Altitude

{
  "id": "MLC-T-AVN-000095",
  "term": "Altitude",
  "field": "Aviation and air traffic control",
  "definition": "The height of a level, point, or object measured in feet Above Ground Level (AGL) or from Mean Sea Level (MSL).\n\na. MSL Altitude- Altitude expressed in feet measured from mean sea level.\n\nb. AGL Altitude- Altitude expressed in feet measured above ground level.\n\nc. Indicated Altitude- The altitude as shown by an altimeter. On a pressure or barometric altimeter it is altitude as shown uncorrected for instrument error and uncompensated for variation from standard atmospheric conditions.",
  "see_also": [
    "Flight level",
    "Altitude [ICAO]"
  ],
  "references": [
    "FAA Pilot/Controller Glossary"
  ],
  "url": "https://mlchart.com/terminology/aviation/altitude/"
}