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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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FIR
FIR | | A FIR is an airspace of defied dimensions within which Flight Information Service and Alerting Service are provided. Flight Information Service (FIS) is a service provided for the purpose of giving advice and information useful for the safe and efficient conduct of flight s. Alerting Service is a service provided to notify appropriate organizations regarding aircraft in need of search and rescue aid, and assist such organizations as required. | source: FAA Instrument Procedures Handbook (FAA-H-8083-16) |
| | An airspace of defined dimensions within which Flight Information Service and Alerting Service are provided. - Flight Information Service. A service provided for the purpose of giving advice and information useful for the safe and efficient conduct of flights.
- Alerting Service. A service provided to notify appropriate organizations regarding aircraft in need of search and rescue aid and to assist such organizations as required.
| source: FAA Pilot/Controller Glossary |
| | An airspace of defined dimensions within which flight information service and alerting service are provided. | source: FAA/NOAA Aviation Weather Services (AC 00-45G) |
| | Flight Information Region: an airspace of defined dimensions within which flight information and alerting services are provided by an air traffic control centre: en route from Lagos to Cairo you fly over the N’Djamena, Khartoum and Cairo FIRs | source: ICAO English Pro Aviation 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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