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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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Hypoxia
| Hypoxia | | | Deprivation of oxygen, aka "altitude sickness," which can adversely affect human judgment and movement at altitudes above 12,000' with symptoms ranging from light dizziness to unconsciousness, even death at the extreme. It was a principal reason for pressurized aircraft. | | source: FAA Aerosense Glossary |
| | | A lack of sufficient oxygen reaching the body tissues. | | source: FAA Airplane Flying Handbook (FAA-H-8083-3A) |
| | | A physiological condition in which a person is deprived of the needed oxygen. The effects of hypoxia normally disappear as soon as the person is able to breathe air containing sufficient oxygen. | | source: FAA Aviation Maintenance Technician Airframe Handbook (FAA-H-8083-31) |
| | | An aeromedical term; means “reduced oxygen” or “not enough oxygen.” | | source: FAA Balloon Flying Handbook (FAA-H-8083-11) |
| | | A state of oxygen deficiency in the body sufficient to impair functions of the brain and other organs. | | source: FAA Pilot's Handbook of Aeronautical Knowledge (FAA-H-8083-25A) |
| | | A state of oxygen deficiency in the body sufficient to impair functions of the brain and other organs. | | source: FAA Risk Management Handbook (FAA-H-8083-2) |
| | | State of oxygen deficiency in the body sufficient to impair functions of the brain and other organs. ICAO. See International Civil Aviation Organization. | | source: FAA Weight Shift Control Handbook (FAA-H-8083-5) |
| | | an inadequate amount of oxygen being supplied to the brain, for example at high altitude in the event of cabin depressurisation. In the case of rapid decompression at 40,000 feet the resulting hypoxia will mean that the time of useful consciousness will be about 20 seconds; it is therefore essential to don oxygen masks and initiate an emergency descent immediately. | | 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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