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be selected to establish a cabin vertical speed of 300
ft/min down.
No. Select MAN V/S CTL
PRESSURIZATION MENU Abnormal Operation (A) 45/47
The descent has been started. The MAN V/S CTL should
be selected to establish a cabin vertical speed of 300
ft/min down.
No. To select MAN V/S CTL click on the MAN V/S CTL sw.
PRESSURIZATION MENU
Abnormal Operation (A) 46/47
The switch is held down until the cabin vertical speed
reaches the target of 300 ft/min and then released back
to the neutral position.
The cabin altitude is now decreasing.
PRESSURIZATION MENU Abnormal Operation (A) 47/47
Approaching the target cabin altitude the MAN V/S CTL
is selected up to decrease the cabin vertical speed.
Some fine tuning may be required using short blips of
the MAN V/S CTL.
You will have the opportunity to practice the use of the
MAN V/S CTL in the simulator so we will stop here.
NEXT
MMoodduullee ccoommpplleetteedd
PRESSURIZATION MENU Abnormal Operation (A) 48/47
LLIISSTTOOFFSSUUBBJJEECCTTSS
CCAABBPPRREESSSSSSYYSS11FFAAUULLTT
CCAABBPPRREESSSSSSYYSS11++22FFAAUULLTT
EXIT
AUDIO GLOSSARY FCOM
RETURN
PRESSURIZATION MENU Abnormal Operation (B) 1/17
PRESSURIZATION MENU
Abnormal Operation (B) 2/17
In this module we will look at some other abnormal situations
of the Pressurization System.
This is an example of an abnormal procedure.
The aircraft is in cruise and all systems are working normally.
PRESSURIZATION MENU Abnormal Operation (B) 3/17
PRESSURIZATION MENU Abnormal Operation (B) 4/17
PRESSURIZATION MENU
Abnormal Operation (B) 5/17
.
The caution LANDING ELEV FAULT is telling you that the
Pressurization System has, for some reason, lost the
Landing Elevation Data normally supplied by the FMGS.
Notice that the landing elevation details on the system
page are blank.
PRESSURIZATION MENU
Abnormal Operation (B) 6/17
Read and complete the actions on the E/WD.
In this case, we have to set the landing field elevation
manually.
Select the Landing Elevation selector.
PRESSURIZATION MENU Abnormal Operation (B) 7/17
Read and complete the actions on the E/WD.
In this case, the action is to set the Landing Elevation
manually.
No. Select the Landing Elevation selector.
PRESSURIZATION MENU Abnormal Operation (B) 8/17
Read and complete the actions on the E/WD.
In this case, the action is to set the Landing Elevation
manually.
No. Click on the Landing Elevation selector.
PRESSURIZATION MENU
Abnormal Operation (B) 9/17
MAN 5300
As soon as the selector is moved from the AUTO position the
action line on the E/WD clears and a MAN message appears
on the CAB PRESS page. The Landing Elevation value will
also indicate the selected value.
PRESSURIZATION MENU
Abnormal Operation (B) 10/17
MAN 5300
After confirmation from the PF clear CAB PRESS.
Clear CAB PRESS.
PRESSURIZATION MENU Abnormal Operation (B) 11/17
MAN 5300
After confirmation from the PF clear CAB PRESS.
No. Press either CLR key.
PRESSURIZATION MENU Abnormal Operation (B) 12/17
MAN 5300
After confirmation from the PF clear CAB PRESS.
No. Press either CLR key.
PRESSURIZATION MENU
Abnormal Operation (B) 13/17
Notice that :
• there is no call of the STATUS page because we have set
the landing elevation manually and the system is operative.
• There is a manual landing elevation indication on the
CRUISE page.
The ECAM actions are complete.
MAN
PRESSURIZATION MENU
Abnormal Operation (B) 14/17
To complete this module let’s look at some other abnormal
indications and what they mean.
If there is an excessive positive or negative differential
pressure one of the safety valves will operate.
PRESSURIZATION MENU
Abnormal Operation (B) 15/17
An ECAM Caution CABIN PRESSURE SAFETY VALVE OPEN
is generated and the safety valve indication on the CAB
PRESS page changes to amber.
SAFETY
PRESSURIZATION MENU
Abnormal Operation (B) 16/17
An ECAM caution CABIN PRESSURE OUTFLOW VALVE NOT
OPEN will be displayed if the outflow valve has not fully
opened on landing. This could mean that the aircraft is still
pressurized and the doors will be difficult to open.
PRESSURIZATION MENU Abnormal Operation (B) 17/17
Indications on the CAB PRESS page will change to amber for
abnormal indications apart from the cabin altitude.
If there is an excessive cabin altitude the indication turns red
and a Master Warning is generated.
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