Crew O2 Flashcards
How many masks are in the flight deck?
4
Where is bottle pressure displayed?
On the STATUS page of the secondary EICAS
Where is the blow out disk?
Right forward fuselage
What are the option for the crew mask?
100% or diluted oxygen
How can the mask protect against smoke and vapors?
By setting the red selector to EMERGENCY
How do you complete the mask test?
-On the ACP select Flight interphone transmitter and adjust speaker volume
-PTT switch to INT and verify O2 flow sound
-Push the REST/TEST switch and EMERGENCY/TEST switch at the same time
-Release switches, verify yellow cross is hidden and rest ACP
-Mask set to 100%
What indicates a good oxygen mask test?
Yellow cross flow indicator appears and O2 flow on the speaker and a psi drop less than 100 psi
T/F: In the Event of the bottle overpressurization, pressure is automatically discharged through the green blow-out disc.
True
