Oxygen

Question 1

Crew Oxygen Mask Settings

Answer 1

• Normal – Diluted up to 33,000ft, then 100%
• 100% – Pure Oxygen
• Emergency – Pressurized 100%

Question 2

Crew Oxygen Mask PSIs

Answer 2

2 - 1100PSI
3 - 1500PSI
12 Minutes.

Question 3

How long does the PBE provide oxygen?

Answer 3

15 Minutes

Question 4

How long do the portable oxygen masks work?

Answer 4

30 Minutes.

Question 5

How long do the pax masks work?

Answer 5

12 Minutes, drop when cabin alt reaches 14,600ft.