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Mxsmanic wrote:
writes: Only for someone with a health issue or for very long legs. What would you think it would be useful for to the general pilot? It improves cerebration and CNS function, both of which are very sensitive to oxygenation. For example, night vision works better with oxygen, even at 5000 feet. Do you have a reference for that 5000 feet number or is this your opinion? -- Jim Pennino Remove .spam.sux to reply. |
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#3
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Mxsmanic wrote:
writes: Do you have a reference for that 5000 feet number or is this your opinion? Yes, I do. And if you had the AIM memorized, as many real pilots seem to wish to pretend, you wouldn't have to ask. You mean where it says: "For optimum protection, pilots are encouraged to use supplemental oxygen above 10,000 feet during the day, and above 5000 feet at night." The key words being "encouraged", "above", and "at night". -- Jim Pennino Remove .spam.sux to reply. |
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#5
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Mxsmanic wrote:
writes: You mean where it says: "For optimum protection, pilots are encouraged to use supplemental oxygen above 10,000 feet during the day, and above 5000 feet at night." No. Try again. OK, how about: "Although a deterioration in night vision occurs at a cabin pressure as low as 5,000 feet, other significant effects of altitude hypoxia usually do not occur in the normal healthy pilot below 12,000 feet." First, you don't fly VFR at 5,000 feet. Second, "a deterioration" has no quantitative value. In practice, it means point light sources start becoming slightly fuzzy at 5,000 feet. They also become slightly fuzzy if the windscreen isn't squeeky clean. -- Jim Pennino Remove .spam.sux to reply. |
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