Oxygen System

Question 1

If the oxygen cylinder pressure falls below the minimum pressure what must happen to the cylinder?

Answer 1

The cylinder must be purged before refilling. If this occurs, inform the maintenance department.

Question 2

What triggers this CAS message?

Answer 2

When the cabin altitude is greater than 10,000ft.

Displayed in the CAS window and the “Use oxygen mask / Use oxygen mask” voice alert sounds when the cabin altitude is greater than 10,000ft.

Question 3

What triggers this CAS message?

Answer 3

When the oxygen cylinder isolation valve is closed.

The oxygen cylinder head is equipped with a microswitch that triggers this message when the isolation valve is closed.

Question 4

Memory Items:

Cabin electrical fire or smoke during flight

Answer 4

1. Oxygen masks and goggles…Use

Question 5

Memory Items:

Smoke elimination

Answer 5

1. Oxygen masks and goggles…Use

Question 6

Memory Items:

Emergency decent procedure after cabin depressurisation:

Answer 6

1. Oxygen masks . . . . Use
2. THROTTLE . . . Flight IDLE
3. Pitch attitude . . . . – 10° to – 20°

VMO = 266 KIAS

Question 7

Maximum Range Descent Speeds/Configuration.

Answer 7

VMC No Icing = 120 KIAS
* Flaps/Gear UP

If Icing Conditions = 135 KIAS
* Flaps/Gear UP

Question 8

To use the oxygen mask’s microphone, you have to press the MICRO/MASK switch.

TRUSE OR FALSE?

Answer 8

TURE

Question 9

In NORM position, the oxygen mask provides a mix of cabin air and oxygen.

TRUE OR FLASE?

Answer 9

TRUE