Where can the oxygen quantity be ready?
MFD Status page (corrected for temp) and at the cylinder (not corrected for temp)
Do the cockpit crew and passengers share the same emergency oxygen?
No. the cockpit uses an oxygen cylinder and the cabin passengers use oxygen chemical generatorsq
Once a chemical oxygen generator is activated, can it be shut off?
No
What is the minimum oxygen for the cockpit crew?
2 crew: blue
3 crew: green
What activates when the flight deck oxygen masks are removed from their storage unit?
Flow of oxygen
Mask mic
Flight dec speakers
What happens if the Test/reset button is pressed with the flight deck oxygen masks not stowed?
Stops flow of oxygen
Deactivates mic
Deactivates flight deck speakers
What are the different modes of the cockpit quick donning mask?
Emergency - Pure o2 under positive pressure
100% - pure o2 at all alts
Norm - o2/air mix (ratio depends on cabin alt)
During preflight, how would you know if the cockpit crew o2 had been over pressurized?
The green blow out disc would be missing on the forward right side of the fuselage
What is the oxygen duration of a o2 chemical generator?
12 min
When will the passenger o2 masks automatically deploy?
Cabin alt of 14000 ft
Can the o2 door dispensing units be opened manually if it fails to automatically deploy?
Yes via the MRT (manual release tool) located at each FA station
What does the PBE provide? (4 things)
Pressurized o2 and protection from smoke, fumes and fire up to 4000 ft for at least 15 min
Blue indication - good
Pink indication - bad
Vacuum loss - bad (even with blue indication)
How many portable o2 cylinders are installed in the cabin?
3 - one in the fwd section, two in the aft section
List some of the emergency equipment items located in the cockpit
Fire ext
3 life vests
Crash ax
2 escape ropes
3 o2 masks