ATA 35

How many ways to drop the oxygen masks:

• 1.

• 2.

• 3.

On ground, if the chemical oxygen units has been used you must:

• Replaced the unit only.

• Reset and refill the unit.

• Replaced the unit and all masks restowed.

The expended generator is show by

• A green stripe indicator.

• A black indicator.

• A thermal yellow indicator.

The warning message appears amber on the ECAM DOOR/OXY page (Level 3)

• In low pressure conditions only

• in case of overpressure

• In high pressure condition

1. Test operation of the crew oxygen system by (Level 1)

• Push the reset test slider

• Using MCDU

• Check system pressure on ECAM Door/Oxy Page

1. In the passenger oxygen system, a chemical oxygen generator, once activated, delivers Oxygen for: (Level 3)

• 30 minutes, if only one mask is in use

• 5 minutes, if all masks are used

• 13 minutes, regardless of the number of the masks used

1. An oxygen generator starts to make oxygen when: (Level 2)

• The panel is opened

• The lanyard is pulled

• The MAN OVRD pushbutton on the passenger oxygen control panel is operated

1. How is the passenger chemical generator activated? (Level 2)

• By pushing the MASK MAN ON pushbutton

• As soon as the ALTITUDE PRESSURE SWITCH is closed

• When the TIME DELAY RELAY is fully energized

• By a release pin which is connected via a lanyard to the oxygen

1. What is indicated when the white "SYS ON" light (Panel 21 VU) on the passenger oxygen system is illuminated? (Level 3)

• The chemical oxygen generators are activated

• The time delay relay is fully energized

• The passenger oxygen system is electrically operated

1. Masks are supplied with undiluted Oxygen on demand if the cabin altitude rises above 14.000 ft, passenger oxygen masks will drop out? (Level 2)

• Only by actuation of a switch on the captain panel

• Automatically by the cabin pressure and/or cabin attendant action

• Automatically by the cabin pressure and/or flight crew action