Oxygen

Question 1

Which component of the oxygen system is located outside the pressure vessel?

Answer 1

The 115 ft³ Oxygen bottle is located exterior of the aft pressure vessel.

Question 2

How many different types of oxygen mask are in the aircraft?

Answer 2

2 - Diluter Demand Pilot-type and Constant Flow Passenger-type.

Question 3

Where is the First Aid Mask located?

Answer 3

In the aft of the aircraft in the air stair area.

Question 4

Should the oxygen system be charged if flight above 12,000 PA is not anticipated?

Answer 4

Yes, The system should be charged prior to every flight.

Question 5

What position on the pilot’s oxygen mask should be used during smoke and fume elimination?

Answer 5

Emergency

Question 6

Is any action required to initiate oxygen flow if the passenger mask deploy?

Answer 6

Yes, The passenger must pull the mask to extract the lanyard pin from the valve to start the flow of oxygen.

Question 7

What is the highest recommended cabin altitude for sustained flight while using the Oxygen System?

Answer 7

25,000 feet

Question 8

What is the Time of Useful Conciences (TUC) at FL250?

Answer 8

3-5 Minutes, Unless rapid decompression in which the time could be cut in half.