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26 Cards in this Set

  • Front
  • Back
What does the OFF position of the PASSENGER
OXYGEN knob do?
Disables the automatic deployment feature of the
passenger oxygen masks.
What does the OVRD position of the PASSENGER
OXYGEN knob do?
Drops the passenger oxygen masks
When in AUTO position of the PASSENGER OXYGEN
knob, when do the masks deploy?
When cabin pressure is above 14,000 ft.
What does the ON light in the MASK DEPLOYED
button indicate?
It indicates that the masks have been deployed.
When viewing the MFD Synoptic Page what is the
meaning of a Green cockpit oxygen pressure indication?
Cyan? Amber?
Green....Minimum OK for 3 crewmembers
Cyan.....Minimum OK for 2 crewmembers
Amber ....Do Not Dispatch
Which O2 cylinder do we use in our EMB 170/175
The larger 77 cubic feet bottle pressurized to 1850 psi
How long do the PBE provide O2
At least 15 minutes
Will the PBEs provide positive pressure O2 up to our
service ceiling?
Yes, as long as we are pressurized.
Otherwise they work up to 41,000 ft
How long do the PAX O2 masks provide O2
12 minutes
What are two outlet flows on the portable O2 bottles
2 liters per min.. Walk Around Use
4 liters per min...1st Aid Use
What is the normal pressure of the portable O 2 bottles and at what pressure will the safety disk rupture?
Normal ... 1800 psi
Ruptures...2500-2775 psi
What is the minimum pressure to dispatch the portable O2
1550 psi
How many portable O2 bottles are there
How many PBE's are there
Where is the crew O2 cylinder stored
In the fwd cargo compartment
What should the psi reading be to carry 3 crew
1150 (gree on MFD)
What shoulf the psi reading be two crew
842 (cyan on MFD)
What type of mask do the pilots ehere
Diluter demand
What typw of masks do the PX have
Chemical generated
How long will the O2 masks last if deployed for PX
12 minutes
The PX O2 is controlled by which system
What altitude will cause the PX O2 masks to deploy
Cabin altitude exceeds 14000
When the PX O2 is commanded to open how long will the dispensing unit latches be energized for
6 seconds
The two portable O2 bottles must carry what psi for dispatch
1550 to dispatch (1800 total psi)
Where are the portable O2 bottles located
Front and left rear of cabin
How many PX masks are contained per PX unit