About Oxygen

What Every Pilot Should Know About Oxygen...

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What Is Air?

What Is Oxygen?

Why Is Oxygen So Important?

Where And How Do We Normally Obtain Our Oxygen?

How Much Oxygen Does The Human Body Need?

What Happens If The Body Does Not Receive Enough Oxygen?

What Are The Effects Of Hypoxia?

When And Why Must We Use Extra Oxygen?

Does The Percentage Of Oxygen In The Air Change With Altitude?

Why Must We Use Extra Oxygen When We Ascend In Altitude?

At What Altitudes Should Oxygen Be Used?
In general, it can be assumed that the normal, healthy individual is unlikely to need supplementary oxygen at altitudes below 8,000 feet. One exception is night flying; because the retina of the eye is affected by even extremely mild hypoxia, deterioration of night vision becomes significant above 5,000 feet. Between 8,000 and 12,000 feet, hypoxia may cause the first signs of fatigue, drowsiness, sluggishness, headache, and slower reaction time. At 15,000 feet, the hypoxic effect becomes increasingly apparent in terms of impaired efficiency, increased drowsiness, errors in judgment, difficulty with simple tasks requiring mental alertness or muscular coordination. These symptoms become more intensified with progressively higher ascent or with prolonged exposure. At 20,000 feet, a pilot may scarcely be able to see -- much less read -- the instruments. Hearing, perception, judgment, comprehension, and general mental and physical faculties are practically useless. The pilot may be on the verge of complete collapse.Therefore, the availability and use of oxygen from the ground up on night flights where altitudes above 5,000 feet are contemplated, and at altitudes above 8,000 feet on daytime flights, is recommended.
  

How Can You Tell When You Need Oxygen?

Are All Individuals Equally Affected By Hypoxia?

Is It True That Oxygen Is Toxic Or Harmful?

Why Not Use Oxygen Intermittently For Short Periods?

How Will Oxygen Equipment Improve The Utility Of The Airplane?

What Types Of Oxygen Equipment Are Available For Private And Executive Aircraft?

How Should An Oxygen System Or Equipment Be Selected?

Warning

Improper use or improper maintenance of aviation oxygen equipment may result in serious injury or death. AVOX Systems oxygen equipment is intended to be used only for aviation applications and is to be used only by, or under the supervision of, a pilot or crewmember trained and qualified in its use. AVOX Systems oxygen equipment is to be serviced only in accordance with the applicable component maintenance manual available from AVOX Systems and only by service technicians trained in the inherent hazards of high pressure aviation oxygen and knowledgeable of this equipment. The names of authorized service centers are available from AVOX Systems or your authorized AVOX Systems distributor. Aviation oxygen equipment is to be used only with aviator's breathing oxygen meeting the requirements of MIL-PRF-27210.