oxygen systems

Question 1

when does the oxygen masks drop

Answer 1

prior to 15,000ft

Question 2

cabin indicators

Answer 2

masks drop auto
lights to 100%
pa volume max
fasten sb
5 low chimes

Question 3

what should you do if oxygen masks dont drop

Answer 3

over head units psu latch push up
pull latch 180degrees anti clockwise

Question 5

how to start oxygen from masks

Answer 5

breathe normally to activate on demand pulp

Question 5

how can you tell the oxygen is working

Answer 5

green lights will illuminate in overheads

Question 6

how long does the oxygen last

Answer 6

22mins