Predictive wind shear alert system (PWS)

{
  "id": "MLC-T-AVN-000746",
  "term": "Predictive wind shear alert system (PWS)",
  "field": "Aviation and air traffic control",
  "definition": "A self-contained system used on board some aircraft to alert the flight crew to the presence of a potential wind shear. PWS systems typically monitor 3 miles ahead and 25 degrees left and right of the aircraft's heading at or below 1200' AGL. Departing flights may receive a wind shear alert after they start the takeoff roll and may elect to abort the takeoff. Aircraft on approach receiving an alert may elect to go around or perform a wind shear escape maneuver.",
  "abbreviation": "PWS",
  "references": [
    "FAA Pilot/Controller Glossary"
  ],
  "url": "https://mlchart.com/terminology/aviation/predictive-wind-shear-alert-system-pws/"
}