Oxygen System Flashcards
Where is the LOX convertor and what is it enclosed in
Mounted in right side of nose wheel well, enclosed in removable fiberglass cover
What side must you enter and exit the nose wheel well from and why
Left side, there is a hazard of venting LOX on the right
Where can you see the qty of remaining LOX
Bottom of the HDD system status page
Where are low oxygen quantities indicated
ACAWS messages on the HDD
How is oxygen brought to cabin temperature
It is routed through the heat exchanger and warmed by ambient air
Where is the gaseous shutoff valve located
Mounted on right side of fwd bulkhead (secured in open position)
What is between the supply & demand sides of the oxygen system
The oxygen flow shutoff valve
How many diluter-demand automatic pressure breathing regulators are located throughout the aircraft
10
What position must the emergency toggle lever remain to avoid rapid oxygen depletion
NORMAL position
Which component turns off the flow of oxygen prior to the individual distribution lines
Oxygen manual shutoff valve
What is the minimum number of quick Don masks provided during a mission
5 (2 in cockpit)
How many portable oxygen bottles are on board
4
What range of LOX will be in the LOX QTY message (yellow) range
2.5-5.0L
What range if LOX will be in the LOX QTY ALERT message range (red)
Below 2.5L
How is actual operational hours of oxygen calculated
Divide the number found on diluter lever - normal chart and divide by number of personnel
