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small white ticks on the rudder scale.
FLIGHT CONTROLS MENU
System presentation 17/42
The PITCH TRIM position is indicated by THS
deflection in degrees up or down.
Let’s continue with the spoilers.
FLIGHT CONTROLS MENU System presentation 18/42
The spoilers have several
functions:
• Speed brakes use the 3 central
surfaces,
FLIGHT CONTROLS MENU System presentation 19/42
• Roll control uses the four outer
surfaces,
On the video, look at the left spoilers
as they deploy, then at the right ones as
the wings are leveled .
Clliicckk oonn tthhee vviiddeeoo wiinnddoow ttoo ssttaarrtt iitt !!
FLIGHT CONTROLS MENU System presentation 20/42
• Ground spoilers use all surfaces.
On the video, watch as all the spoilers deploy
at touchdown.
Clliicckk oonn tthhee vviiddeeoo wiinnddoow ttoo ssttaarrtt iitt !!
FLIGHT CONTROLS MENU
System presentation 21/42
On the ECAM F/CTL page, the spoiler extended position
is indicated by small arrows. This is the speed brake case.
All these control surface indications will be explained in
more detail in the normal and abnormal operation modules.
Now, we will look at the flight control computers.
FLIGHT CONTROLS MENU
System presentation 22/42
•• TTwoo ELLeevvaattoorr aanndd Aiilleerroonn Coomppuutteerrss ((ELLAC)),,
•• TThhrreeee Sppooiilleerr aanndd Elleevvaattoorr Coomppuutteerrss ((SEC)),,
•• TTwoo FFlliigghhtt Auuggmeennttaattiioonn Coomppuutteerrss ((FFAC))..
TThhee moovveemeennttss ooff tthhee fflliigghhtt ccoonnttrrooll ssuurrffaacceess aarree maannaaggeedd bbyy sseevveenn ccoomppuutteerrss.. TThheessee aarree::
FAC 1
FAC 2
ELAC 1
ELAC 2
SEC 1
SEC 2
SEC 3
Flliightt cconttrroll ccomputteerrss
FLIGHT CONTROLS MENU
System presentation 23/42
ELAC 1
ELAC 2
SEC 1
SEC 2
SEC 3
In addition, two Flight Control Data
Concentrator computers (FCDC) are
used to acquire data from the ELAC and
SEC. Then, they send it to the EIS.
FCDC 1
FCDC 2
FLIGHT CONTROLS MENU
System presentation 24/42
ELAC 1
ELAC 2
SEC 1
SEC 2
SEC 3
However, the data from both FAC is
sent directly to the EIS.
FCDC 1
FCDC 2
FAC 1
FAC 2
FLIGHT CONTROLS MENU
System presentation 25/42
The status of ELAC and SEC is indicated on the ECAM
F/CTL page. The other computers are not displayed.
These indications will be seen in more detail in the
abnormal operation module.
Now, we will see the hydraulic aspect.
ELAC 1
ELAC 2
SEC 1
SEC 3
SEC 2
FLIGHT CONTROLS MENU
System presentation 26/42
TThhrreeee iinnddeeppeennddeenntt hhyyddrraauulliicc ssyysstteemss aarree uusseedd ttoo ppooweerr aallll tthhee fflliigghhtt ccoonnttrrooll ssuurrffaacceess..
FLIGHT CONTROLS MENU System presentation 27/42
The hydraulic systems which actuate each
control surface are indicated on the ECAM F/CTL
page by the use of G, B and Y.
For example, the rudder is powered by the
Green, Blue and Yellow hydraulic systems.
The ECAM F/CTL page is now complete.
FLIGHT CONTROLS MENU
System presentation 28/42
Pilots control pitch and roll through two side
sticks.
FLIGHT CONTROLS MENU
System presentation 29/42
There are associated side stick
priority lights.
Side sticks and priority lights will
be explained in a separate module.
FLIGHT CONTROLS MENU
System presentation 30/42
Pitch trim wheels are located on
the center pedestal.
FLIGHT CONTROLS MENU System presentation 31/42
There are two sets of
conventional rudder pedals.
FLIGHT CONTROLS MENU
System presentation 32/42
A RUD TRIM panel is located on
the pedestal.
FLIGHT CONTROLS MENU
System presentation 33/42
A speed brake lever is located on
the left side of the pedestal.
FLIGHT CONTROLS MENU
System presentation 34/42
In addition, there are two panels, located
on the overhead panel to control the flight
control computers .
Now, we will introduce the lift
augmentation devices.
FLIGHT CONTROLS MENU
System presentation 35/42
There are 5 slats on each
leading edge ...
FLIGHT CONTROLS MENU
System presentation 36/42
and 2 flaps on each trailing
edge.
FLIGHT CONTROLS MENU
System presentation 37/42
The slats and flaps are hydraulically actuated like
all the other surfaces. They are electrically controlled
via two Slat Flap Control Computers (SFCC).
SFCC 1
SFCC 2
　
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