Airspeed

{
  "id": "MLC-T-AVN-000081",
  "term": "Airspeed",
  "field": "Aviation and air traffic control",
  "definition": "The speed of an aircraft relative to its surrounding air mass. The unqualified term “airspeed” means one of the following:\n\na. Indicated Airspeed- The speed shown on the aircraft airspeed indicator. This is the speed used in pilot/controller communications under the general term “airspeed.”\n\na. True Airspeed- The airspeed of an aircraft relative to undisturbed air. Used primarily in flight planning and en route portion of flight. When used in pilot/controller communications, it is referred to as “true airspeed” and not shortened to “airspeed.”",
  "synonyms": [
    "Speed"
  ],
  "references": [
    "14 CFR part 1",
    "FAA Pilot/Controller Glossary"
  ],
  "url": "https://mlchart.com/terminology/aviation/airspeed/"
}