AUTOMATIC TERMINAL INFORMATION SERVICE (ATIS)
The continuous broadcast of recorded noncontrol information in selected terminal areas. Its purpose is to improve controller effectiveness and to relieve frequency congestion by automating the repetitive transmission of essential but routine information; e.g., "Los Angeles information Alfa. One three zero zero Coordinated Universal Time. Weather measured ceiling two thousand overcast, visibility three, haze, smoke, temperature seven one, dew point five seven, wind two five zero at five, altimeter two niner six. ILS Runway Two Five Left approach in use, Runway Two Five Right closed, advise you have Alfa."
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