Tag: aerospace medicine

Aviation Medicine Quiz – Hypoxia

Before we understand the basics about Hypoxia, please answer to the best of your knowledge and understanding the following questions pertaining to Hypoxia in aviation.

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Flying into thin Air: Understanding Hypoxia

Undoubtedly cabin pressurisation and oxygen systems have allowed unhindered aviation activities, with a caveat though – never to cross the altitude beyond the capabilities of the system on board. Thus, commercial aircraft fly maintaining a cabin pressure of 6000-8000 ft, and unpressurised small aircraft mostly operate below 10000 ft. Combat aircraft may have a higher …

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Flying into Thin Air: Neurological Effects of Hypoxia

The most important effects of hypoxia is on Central Nervous System (CNS) and vision. This insult to CNS which affects the performance in flight varies as per the altitude and the resulting stages of hypoxia. The effects are discussed as per the stages of hypoxia.

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Flying into Thin Air: Preventing Hypoxia

Technological improvements in reliability and performance of cabin pressurisation and Oxygen delivery systems has greatly reduced the incidents and accidents due to hypoxia. Yet, incidence of hypoxia in flight still occurs due to lack of vigilance, mechanical failure of equipment, improper indoctrination or improper use of oxygen equipment. 

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Hyperventilation – Confusing the Devil with Hypoxia

“An ab-initio military pilot on a familiarisation sortie to the sector with his Instructor, was finding it difficult to see the defined waypoints. This was due to thin clouds below, through which the Instructor could see and point out the features, but the rookie pilot, flying his first sortie in that sector, just could not …

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