Section X
Safety Information
~ft
Twin Engine (Piston)
Federal Aviation Regulations related to the use of supple-
mental oxygen by flight crew and passengers must be
adhered to if flight to higher altitudes is to be accomplished
safely. Passengers with significant circulatory or lung dis-
ease may need to use supplemental oxygen at lower alti-
tudes than specified by these regulations.
Pilots of pressurized airplanes should receive physiological
training with emphasis on hypoxia and the use of oxygen
and oxygen systems. Pilots of airplanes with pressure
demand oxygen systems should undergo training, experi-
ence altitude chamber decompression, and be familiar with
pressure breathing before flying at high altitude. This train-
ing is available throughout the United States at nominal
cost. Information regarding this training may be obtained by
request from the Chief, Civil Aeromedical Institute, Attention:
Aeromedical Education Branch, AAC-140, Mike Monroney
Aeronautical Center, P. O. Box 25082, Oklahoma City, Okla-
homa 73125
HYPERVENTILA
TION
Hyperventilation, or overbreathing, is a disturbance of respi-
ration that may occur in individuals as a result of emotional
tension or anxiety. Under conditions of emotional stress,
fright, or pain, breathing rate may increase, causing
increased lung ventilation, although the carbon dioxide out-
put of the body cells does not increase. As a result, carbon
dioxide is "washed out" of the blood. The most common
symptoms of hyperventilation are: dizziness, nausea, sleepi-
ness, and finally, unconsciousness. If the symptoms persist
discontinue use of oxygen and consciously slow your
breathing rate until symptoms clear, and then resume nor-
mal breathing rate. Normal breathing can be aided by talk-
ing aloud.
10-58
May, 1994
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