Oxygen

Question 0

How to tell if the PBE is good

Answer 0

Blue humidity seal and at least one seal intact

Question 1

How long will cockpit oxygen be provided in emergency

Answer 1

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

Question 2

How long does the pax o2 last

Answer 2

Approx 12 minutes

Question 3

When will pax o2 masks drop

Answer 3

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

Question 4

Where is the crew 02 bottle

Answer 4

Under the RH front cabin with access from forward cargo compartment