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OVERHEAD PANEL
OVERHEAD PANEL
A
NOC 06020 01629 0001
AUTO
SYS ON
R
PASSENGER
MASK MAN ON
A
1
OXYGEN
CREW SUPPLY
OFF
1
TR1 A318/A319/A320/A321 FLEET CCOM Page 13 of 16
CABIN CREW OPERATING MANUAL
OXYGEN
COCKPIT
06.020
SEP 13/07
The CREW SUPPLY pushbutton electrically controls the position of the low
pressure (LP) solenoid valve.
OFF : The OFF legend comes on white, and the valve is closed.
ON : (Pushbutton pressed - normal position during flight)
The valve is opened, low pressure (LP) oxygen is supplied
to the masks.
TR1 A318/A319/A320/A321 FLEET CCOM Page 14 of 16
CABIN CREW OPERATING MANUAL
OXYGEN
COCKPIT
06.020
SEP 13/07
PORTABLE BREATHING EQUIPMENT
ALL
Two PBE, located on the right aft console 702 VU and at the bottom of the rear
right corner in the cockpit, ensures protection of the eyes and respiratory system
of one (or two) flight crewmembers when fighting a fire, in case of smoke or
noxious gas emissions, or in the event of a loss in pressure altitude.
Refer to PORTABLE BREATHING EQUIPMENT
TR1 A318/A319/A320/A321 FLEET CCOM Page 15 of 16
CABIN CREW OPERATING MANUAL
OXYGEN
COCKPIT
06.020
SEP 13/07
PORTABLE BREATHING EQUIPMENT
SMOKE HOOD (PBE)
IN CONTAINER
SMOKE HOOD (PBE)
IN CONTAINER
NOC 06020 02884 0001
TR1 A318/A319/A320/A321 FLEET CCOM Page 16 of 16
CABIN CREW OPERATING MANUAL
OXYGEN
CABIN
06.030
SEP 13/07
DESCRIPTION
ALL
The cabin-fixed chemical oxygen system supplies oxygen to occupants, in case
of cabin depressurization.
The oxygen is produced by chemical generators, and each generator feeds a
group of 2, 3 or 4 masks.
Generator and masks are in containers, located : Above the passenger seats, in
the lavatories, in each galley, and at each cabin crew station.
TR1 A318/A319/A320/A321 FLEET CCOM Page 1 of 19
CABIN CREW OPERATING MANUAL
OXYGEN
CABIN
06.030
SEP 13/07
OXYGEN UNITS LOCATION
ALL
TR1 A318/A319/A320/A321 FLEET CCOM Page 2 of 19
CABIN CREW OPERATING MANUAL
OXYGEN
CABIN
06.030
SEP 13/07
ARRANGEMENT
A
G1
A
A
A
G5
A
A
A
C2
C1
E
D
NOC 06030 02937 0001
2
2
2
4 3 4 3 4
4 4
4 4
4 4 3 4 3
3
3
3 3 3 3 3
3 3 3 3
4 4 4 4
4 4 4 4 4
4 4
4 4
3 3
3 3
2 2
2 2
2
TR1 A318/A319/A320/A321 FLEET CCOM Page 3 of 19
CABIN CREW OPERATING MANUAL
OXYGEN
CABIN
06.030
SEP 13/07
OPERATIONAL SEQUENCE
ALL
SYSTEM ACTIVATION
The cabin oxygen system automatically operates when the altitude pressure
switch, located in the avionics compartment, closes. The switch closes when the
cabin pressure decreases to a pressure equivalent to 14 000 +250, -750 feet
(4260 +76 -228 meters).
To manually operate the system, the flight crewmembers push the "MASK MAN
ON" pushbutton, located on the overhead panel.
SYSTEM OPERATION
When electrical power releases the door latches :
. The passenger oxygen container doors open and the masks drop down for
the use of passengers and cabin attendants.
. A taped message is transmitted through the Passenger Address system.
. The green "SYS ON" indicator light, on the cockpit overhead panel, comes on.
. When a user pulls the oxygen mask towards their face, the chemical oxygen
generator starts to operate and the oxygen flows.
. The mask receives pure oxygen under positive pressure for about 15 minutes,
until the generator is depleted.
If a passenger oxygen container door does not open, the cabin crew can open it
by using the manual release tool. The manual release tool has to be pushed in
a hole of the container door to disengage the electrical latch.
Note: There is no apparent inflation of the mask reservoir bag at lower altitudes
between approximately 10 000 and 19 000 feet.
TR1 A318/A319/A320/A321 FLEET CCOM Page 4 of 19
CABIN CREW OPERATING MANUAL
OXYGEN
CABIN
06.030
SEP 13/07
SYSTEM OPERATION
OR
OR DOOR
LATCHES
OXYGEN
MASK MAN ON
AUTO
OXYGEN
PASSENGER
SYS ON
AUTO
MAN CHEMICAL
GENERATOR
TAPE ANNOUNCEMENT
R
MANUAL RELEASE TOOL
ELECTRICAL
MECHANICAL
OXYGEN MASKS
ALTITUDE PRESSURE SWITCH 16WR
A
CAB ALT 14 000 ft
A
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