Oxygen

Question 1

How is overpressure in the oxygen system released?

Answer 1

A green disk on the forward right side of the aircraft will blow out

Question 2

Where is the flight crew Oxygen cylinder

Answer 2

In the cockpit behind the copilot’s seat

Question 3

What type of oxygen mask is the plane equipped with?

Answer 3

Quick donning, diluter/demand

Question 4

How can the flow of oxygen to the cockpit masks be stopped with masks deployed?

Answer 4

Close the left door of the stowage box and activate the Test/Shutoff sliding control

Question 5

How can the pilot tell visually the oxygen is flowing to the mask?

Answer 5

The pilot and co-pilot masks have a cat’s eye flow indicator

Question 6

How quickly should a pilot be able to don a quick-donning mask?

Answer 6

Five seconds with one hand

Question 7

How is the observer mask different from the pilot and co-pilot masks?

Answer 7

• No test/Shutoff sliding control on the stowage box
• The flow indicator is in the oxygen line, not visibility when the mask is stowed
• No venting valve control for smoke goggles

Question 8

How can smoke goggles be cleared of smoke when wearing the oxygen mask and smoke goggles?

Answer 8

Open the venting valve by pulling down on the sliding control on top of the mask

Question 9

On the oxygen mask’s Normal?100% selector, what happens when set to the normal position?

Answer 9

• Pilots receive diluted oxygen, increasing the oxygen percentage as altitude increases
  -100% oxygen is always supplied above 33,000 feet

Question 10

What is the purpose of the emergency selector knob on the pilot oxygen mask?

Answer 10

When rotated, oxygen is provided under positive pressure

Question 11

How is the oxygen system test accomplished?

Answer 11

Select MASK on the boom/mask selector

Select HOT MIC on the control wheel

Actuate the test slide lever on stowage box

Press EMERGENCY button while holding slide lever down

Question 12

How are passengers supplied with oxygen?

Answer 12

Chemical generators; pulling the masks down activates generators which run for 12 minutes

Question 13

How can the passenger oxygen masks be manually deployed?

Answer 13

Select MANUAL on the passenger oxygen control panel

Question 14

What is the purpose of the portable oxygen cylinder?

Answer 14

FIrst aid treatment

Question 15

How long will the PBE provide oxygen?

Answer 15

15 minutes