Oxygen Flashcards
What color would oxygen indicator be if available for 3 crewmembers?
Green
If oxygen indicator shows a Cyan color under oxygen what do you need to be aware of?
Only enough O2 for two crewmembers
what happens when passenger selector knob is set to AUTO
oxygen masks automatically deploy if cabin altitude above @ 14000 ft
Selecting OVRD on the o2 passenger selector knob does what?
deploys passenger o2 regardless of the cabin altitude.
What is indicated by the MASK DEPOYED light is on?
passenger and FA masks are deployed
When oxygen masks are deployed what other signs automatically come on?
FASTEN SEAT BELTS
NO ELEC DEVICE
Where is o2 pressure read?
on MFD STATUS
or outside the at the gauge
Do the flight deck and passengers share the same oxygen system?
No
What is the difference between the flight crew oxygen and the passengers?
-passenger o2 is oxygen generator
-Flight crew is pressurized 100% o2 bottle
What activates when flight crew O2 masks are removed from stowage?
-o2 flows to mask
-mask mic
-Flight deck speakers
(headset mic deactivates)
On preflight inspection how would you know if o2 was overpressurized?
Blow out disc (green disc) right side fuselage forward cargo door - thermal discharge
what Oxygen does PBE supply?
pressurized o2
what is PBE used for?
Fire, smoke emergency
how many minutes of oxygen does PBE supply?
approx 15 mins
how many minutes of o2 for the passengers?
12 mins
