Weather and operational information about the destination aerodrome can be obtained in-flight by…
The Automatic Terminal Information Service (ATIS) is a continuous broadcast of arrival or departure information for busy airports, preceded by an identification letter. ATIS is automatically transmitted on a discrete VHF radio frequency. If the current aerodrome weather conditions change, or if there is any change in other pertinent aerodrome information, the ATIS broadcast is immediately updated to reflect these changes.
Content of an ATIS Broadcast
ATIS is broadcast in plain language and contains some or all of the following:
- Aerodrome name.
- ATIS sequence designator or information code.
- Time of observation.
- Runway in use and status.
- Surface wind in kt, referenced to magnetic north.
- Visibility and RVR.
- Present weather.
- Significant cloud.
- Temperature and dew point.
- Altimiter setting.
- Transition level.
- Type of approach expected.
- Any warnings pertinent to flight operations like bird hazards, work in progress, closed taxiways or runways and so on.
VOLMET ⇒ relay the latest weather reports and forecasts as spoken METARs, TAFs and SIGMETs.
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