Oxygen

Question 1

What is the minimum oxygen pressure for dispatch on the crew oxygen bottle?

Answer 1

1200 psi.

Question 2

What will occur if the PAX oxygen selector knob is set to MANUAL?

Answer 2

The PAX oxygen masks will deploy immediately, regardless of the cabin altitude.

Question 3

How can the crew determine sufficient oxygen requirements for departure?

Answer 3

OM Vol.1 sec.1 or PIG table.