Aircraft Systems Knowldge (Oxygen)

Question 1

What is represented by the white SYS ON light?

(O2 Panel)

Answer 1

An automatic or manual signal to open the oxygen mask doors has been triggered (Auto @ 14,000 cabin ALT)

Question 2

What occurs when the guarded MASK MAN ON pb is pressed?

(O2 Panel)

Answer 2

The mask doors are manually signaled to open

Question 3

What triggers the signal to be sent for deployment of passenger oxygen masks, when the MASK MAN ON pb is guarded in auto?

(O2 Panel)

Answer 3

The mask doors are signaled to open automatically when the cabin altitude exceeds 14,000’

Question 4

When the Crew Supply pb OFF light is illuminated, what secondary indication will be displayed and where will it be present?

Answer 4

Valve is closed and accompanied by a AMBER OXY indication on the ECAM Door page?

Question 5

After replacing the O2 mask why is it necessary to press the TEST/RESET button?

Answer 5

Cuts off O2 flow to the mask and cuts off the oxygen mask microphone