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Welcome to the Dauntless Aviation Glossary!
At Dauntless, our editorial staff maintains the web's largest unified glossary of aviation terms. This glossary is built from a combination of official, quasi-official,
and proprietary sources (including original material that we develop oursselves). Uniquely, we often provide multiple definitions of a given term so that you can find that which best applies
to you. In order to maximize your learning efficiency, this glossary (and similar ones for our international users) is incresingly fully integrated into our aviation learning apps, including
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AWOS
AWOS | | Continuous broadcast (by radio or telephone) of weather conditions at selected locations. | source: FAA Balloon Flying Handbook (FAA-H-8083-11) |
| | A suite of sensors that measure, collect, and disseminate weather data. AWOS stations provide a minute-by-minute update of weather parameters, such as wind speed and direction, temperature and dew point, visibility, cloud heights and types, precipitation, and barometric pressure. A variety of AWOS system types are available (from AWOS 1 to AWOS 3), each of which includes a different sensor array. | source: FAA Instrument Procedures Handbook (FAA-H-8083-16) |
| | Automated Weather Observing System (AWOS): Automated weather reporting system consisting of various sensors, a processor, a computer-generated voice subsystem, and a transmitter to broadcast weather data. | source: FAA Pilot's Handbook of Aeronautical Knowledge (FAA-H-8083-25A) |
| | Automated Weather Observing System (AWOS): Automated weather reporting system consisting of various sensors, a processor, a computer-generated voice subsystem, and a transmitter to broadcast weather data. | source: FAA Risk Management Handbook (FAA-H-8083-2) |
| | Automated Weather Observing System (AWOS): Automated weather reporting system consisting of various sensors, a processor, a computer- generated voice subsystem, and a transmitter to broadcast weather data. | source: FAA Weight Shift Control Handbook (FAA-H-8083-5) |
| | An automated weather reporting system which transmits local real-time weather data directly to the pilot. - AWOS-A Only reports altimeter setting.
- AWOS-1 Usually reports altimeter setting, wind data, temperature, dewpoint and density altitude.
- AWOS-2 Reports same as AWOS-1 plus visibility.
- AWOS-3 Reports the same as AWOS-2 plus cloud/ceiling data.
| source: ICAO Aviation Chart Glossary |
| | Automated Weather Observation System | source: NOAA National Weather Service Glossary |
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Disclaimer: While this glossary in most cases is likely to be highly accurate and useful, sometimes, for any number of editorial, transcription, technical, and other reasons, it might not be.
Additionally, as somtimes you may have found yourself brought to this page through an automated term matching system, you may find definitions here that do not match the cotext or application in which
you saw the original term. Please use your good judgement when using this resource.
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