A continuous broadcast of airport information, commonly found at tower-controlled airports. It usually includes weather information, runways in use, and any important notices. The information is normally updated hourly, and each update is identified by a letter in the phonetic alphabet (alpha, bravo, charlie, etc.)
The continuous broadcast of recorded noncontrol information (such as weather and airport operations) 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.
Automatic Transmitter Identification System
Automated recording (over a certain frequency or if available at some airports, can be accessed by calling a telephone number) that gives the current weather conditions (temperature, dew point, Barometric reading, winds, cloud levels), active runways, and notices to airmen at a specific airport. Usually updated every hour. Stands for Automated Traffic Information System.
Automatic terminal information service. A recording of current weather conditions at an airport.
Automated Training Information System
Automatic Terminal Information Service - pre-recorded airport weather
A continuous broadcast on a separate ATC frequency of an airport's current weather (updated at least hourly). Eliminates controller requirement to read local weather data to each landing or departing aircraft.
Automatic Terminal Information Service. The repetitive transmission of recorded noncontrolling information in selected high activity terminal areas.
Automatic Terminal Information Service. A continuous broadcast of the airport conditions. As conditions change, the change is noted by an alphabetical increase in the name of the broadcast. Information "Charley" becomes information "Delta", etc.
Aerodrome terminal information service; also: Automatic terminal information service
Automatic Terminal Information Service. A radio aid that provides weather and other information about a given airport, including the designation of the active runway.
Automatic Terminal Information Service. A recorded voice message that provides weather and airport services information.