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They do pressurize the cockpits, but the pilots breath through their masks. At high altitudes, the cockpit air isn't pressurized enough to prevent hypoxia so t
by stametseater 4y ago
They do pressurize the cockpits, but the pilots breath through their masks. At high altitudes, the cockpit air isn't pressurized enough to prevent hypoxia so they need masks.
- amluto 4y agoWhere does the air in the masks come from? I assume it’s a mix of bottled oxygen and something else.