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Flashcards in Oxygen Deck (5)
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How long will cockpit oxygen be provided in emergency

Descent from 41000 to 10000' in 22 minutes then 98 minutes at 10000'


How to tell if the PBE is good

Blue humidity seal and at least one seal intact


How long does the pax o2 last

Approx 12 minutes


When will pax o2 masks drop

Cabin alt of 14000-14750
Or manually by cockpit switch or
At the individual PSU


Where is the crew 02 bottle

Under the RH front cabin with access from forward cargo compartment