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Oxygen for the cockpit crew
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5th Jun 2017, 04:18
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Three Wire
Join Date: Dec 1998
Location: PENang, Malaysia
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The first symptom of hypoxia is the loss of colour vision by night above 10000 feet. That is why pilots need oxygen above 10000msl.
I would be very surprised if any regulator allowed 13000 feet for pilots.
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Three Wire
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