Oxygen / Emergency Equipment

Question 1

Where can the Oxygen Quantity be read?

Answer 1

MFD STATUS page (corrected for temperature) &

- At the oxygen cylinder panel (uncorrected for temperature)

Question 2

Do the cockpit crew and the passengers share the same emergency oxygen?

Answer 2

• No, the cockpit uses an oxygen cylinder and the cabin passengers use
  oxygen chemical generators.

Question 3

Once a chemical oxygen generator (cabin) is activated, can it be shut off?

Answer 3

• No.

Question 4

What is the minimum oxygen for the cockpit crew?

Answer 4

• 2 crew: Blue for 2

- 3 crew: Green for 3

Question 5

What activates when the flight deck oxygen masks are removed from their
storage unit?

Answer 5

• Flow of oxygen
• Mask microphone
• Flight deck speakers

Question 6

What happens if the TEST/RESET button is pressed with the flight deck oxygen
masks not stowed?

Answer 6

• Stops flow of oxygen.
• Deactivates mask microphone.
• Deactivates flight deck speakers.

Question 7

What are the different modes of the cockpit quick donning O2 mask?

Answer 7

• Emergency Setting - Pure oxygen with positive pressure.
• 100% Setting - Pure oxygen at all altitudes.
• Normal Setting - Oxygen/Air mixture (ratio depends on cabin altitude)

Question 8

During preflight, how would you know if the cockpit crew oxygen had been over
pressurized?

Answer 8

• The green blowout disc would be missing on the forward right side of the
  fuselage.

Question 9

What is the oxygen duration of a oxygen chemical generator?

Answer 9

• 12 minutes

Question 10

When will the passenger oxygen masks automatically deploy?

Answer 10

• Cabin altitude of 14,000 MSL.

Question 11

Can the oxygen door dispensing units be opened manually if it fails to
automatically deploy?

Answer 11

• Yes, via a manual release tool (MRT) located each FA station.

Question 12

What does the PBE provide?

Answer 12

• Pressurized oxygen and protection from smoke, fumes, and fire up to
  40,000 ft for at least 15 minutes.
• Blue indication: Good
• Pink: Bad
• Vacuum loss: Bad (even with a blue indication)

Question 13

How many portable oxygen cylinders are installed in the cabin?

Answer 13

• 3 - one in the FWD section and 2 in the AFT section

Question 14

List some of the Emergency Equip. items located within the cockpit?

Answer 14

• Fire Ext, PBE, 3 Life Vests, Crash Axe, 2 Escape Ropes, 3 O2 Masks AQP E1