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Abnormal Operation (A) 26/47
Conversely if you hold the switch down the Outflow
Valve will close, the Vertical Speed will change and the
Cabin Altitude will decrease.
Now let’s return to the ECAM procedure.
SYS 1 SYS 2
MAN
PRESSURIZATION MENU
Abnormal Operation (A) 27/47
SYS 1 SYS 2
Notice that the Vertical Speed indication is zero. This MAN
means that there is no need to adjust the outflow valve
position using the MAN V/S CTL.
Because you have to continually use the MAN V/S CTL
switch the action line is not removed.
Clear CAB PR to review STATUS.
Clear CAB PR.
PRESSURIZATION MENU Abnormal Operation (A) 28/47
SYS 1 SYS 2
Notice that the Vertical Speed indication is zero. This MAN
means that there is no need to adjust the outflow valve
position using the MAN V/S CTL.
Because the FWC cannot determine if you have moved
the manual V/S control by the required amount the blue
action line is not removed.
Clear CAB PR to review STATUS.
No. Clear CAB PR.
PRESSURIZATION MENU Abnormal Operation (A) 29/47
SYS 1 SYS 2
Notice that the Vertical Speed indication is zero. This MAN
means that there is no need to adjust the outflow valve
position using the MAN V/S CTL.
Because the FWC cannot determine if you have moved
the manual V/S control by the required amount the blue
action line is not removed.
Clear CAB PR to review STATUS.
No. To clear CAB PRESS use a CLEAR key.
PRESSURIZATION MENU
Abnormal Operation (A) 30/47
The STATUS page provides the pilots with information;
• target Vertical Speeds
• target cabin altitudes, which depend on the flight level
• and a final approach procedure to set the V/S CTL fully
up. This ensures that the outflow valve opens
completely and the aircraft depressurizes.
For our example we are at FL350 so the target cabin
altitude is 6500 feet.
PRESSURIZATION MENU
Abnormal Operation (A) 31/47
Review the inoperative systems in the right hand
column.
Remember that information will remain on the Status
Page for the duration of the flight and can be reviewed at
any time.
PRESSURIZATION MENU
Abnormal Operation (A) 32/47
The information on the STATUS page is very useful
during descent. You will need to control the outflow
valve and adjust the cabin vertical speed to achieve the
target cabin altitude.
PRESSURIZATION MENU
Abnormal Operation (A) 33/47
After confirmation from the PF clear STATUS.
Clear STATUS
PRESSURIZATION MENU Abnormal Operation (A) 34/47
After confirmation from the PF clear STATUS.
No. Press the STS key or either CLR key.
PRESSURIZATION MENU Abnormal Operation (A) 35/47
After confirmation from the PF clear STATUS.
No. Press the STS key or either CLR key.
PRESSURIZATION MENU
Abnormal Operation (A) 36/47
Notice that on the CRUISE page, the indication of cabin
vertical speed has changed to a gauge format. This
along with the cabin altitude indication can be used to
set the correct position of the outflow valve.
The ECAM procedure for a Cabin Pressure System 1+2
Fault is complete.
PRESSURIZATION MENU
Abnormal Operation (A) 37/47
Let’s now assume that ATC have asked you to
commence a descent to FL 290.
Call the STATUS page.
PRESSURIZATION MENU Abnormal Operation (A) 38/47
Let’s now assume that ATC have asked you to
commence a descent to FL 290.
No. Call the STATUS page.
PRESSURIZATION MENU Abnormal Operation (A) 39/47
Let’s now assume that ATC have asked you to
commence a descent to FL 290.
No. To call the STATUS page use the STATUS key..
PRESSURIZATION MENU
Abnormal Operation (A) 40/47
Note that the target cabin vertical speed for the descent
is 300 feet/min and that at FL290 the cabin altitude target
is 4500 ft.
Deselect STATUS.
PRESSURIZATION MENU Abnormal Operation (A) 41/47
Note that the target cabin vertical speed for the descent
is 300 feet/min and that at FL290 the cabin altitude target
is 4500 ft.
No. Deselect STATUS.
PRESSURIZATION MENU Abnormal Operation (A) 42/47
Note that the target cabin vertical speed for the descent
is 300 feet/min and that at FL290 the cabin altitude target
is 4500 ft.
No. To deselect STATUS use the STATUS key.
PRESSURIZATION MENU
Abnormal Operation (A) 43/47
The descent has been started. The MAN V/S CTL should
be selected to establish a cabin vertical speed of 300
ft/min down.
Select MAN V/S CTL
PRESSURIZATION MENU Abnormal Operation (A) 44/47
The descent has been started. The MAN V/S CTL should
　
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