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WorksheetsAirbus A320 Flight Controls
Total questions: 75
Worksheet time: 38mins
What computer normally commands the operation of the elevators and horizontal stabilizer?
SEC 1
FAC 1
ELAC 2
Sidesticks provide electrical signals to the flight control computers; if both sidesticks are operated:
The inputs cancel each other.
Both inputs are algebraically added.
The F/O input is overridden by the CAP input.
Roll control is achieved by:
Ailerons
Ailerons and rudder.
One aileron and four spoilers on each wing.
Ailerons, rudder and spoilers
When the flaps are extended, the ailerons:
Go to the centering mode.
Pitch up 5 degrees.
If electrical power to a SEC fails:
The affected spoilers automatically retract.
All spoilers automatically retract.
The affected spoilers remains in the last commanded position.
If angle of attack protection is active or flaps are in the configuration Full:
Speed brake extension is inhibited.
Aileron travel is reduced.
Speed brake extension travel is reduced.
Should the active elevator actuator fail, elevator control is:
Lost.
Maintained by the other actuator.
Reduced.
Two control surfaces that have mechanical backup are:
Elevator and rudder.
Horizontal stabilizer and rudder.
Speed brakes and rudder.
Horizontal stabilizer trim automatically resets to zero degrees after landing.
True
False
Four hydraulically-operated wing tip brakes are installed to lock the flaps or slats in case of:
Asymmetry and overspeed only
Asymmetry, overspeed and slow movement
Asymmetry, overspeed, symmetrical runaway and uncommanded movement
All of the above
While on the ground in Roll Normal Law there is a direct relationship between sidestick deflection and the corresponding aileron and spoiler deflection.
True
False
Automatic pitch trim is inhibited when:
Radio altitude is below 50 feet (100 feet with autopilot coupled).
Bank angle is greater than 33 degrees.
Load factor is less than 1G.
First two statements are correct
In pitch normal law, the elevator control changes from the normal mode to a protection mode when the angle of attack is greater than:
Alpha Max
Alpha Prot
Alpha Floor
TOGA thrust is provided regardless of throttle position when _____ engages the autothrottle system.
Alpha Max
Alpha Prot
Alpha Floor
Roll control in NORMAL LAW is achieved with:
Ailerons and spoilers.
Ailerons, spoilers and rudder.
Ailerons, spoilers 2-5 and rudder.
The purpose of the Load Alleviation Function is to:
Relieve wing structure loads by moving the ailerons.
Relieve wing structure loads by extending spoilers 4 and 5.
Help slow the airplane down.
First two statements are correct.
When the landing gear is extended, pitch alternate law:
Remains the same.
Degrades to pitch direct law.
Degrades to pitch backup law.
In Pitch Alternate Law; the low Speed stability (nose down command) can be overridden by the sidestick.
True
False
To select speed brakes inflight:
Push down on the speed brake handle and move it forward.
Push down on the speed brake handle and move it aft.
Pull up on the speed brake handle and move it aft.
Which of the following statements is correct concerning the spoiler elevator computers (SEC’s)?
Two computers which achieve spoiler control and standby elevator and THS control.
Three computers which achieve spoiler control and normal elevator and THS control.
Three computers which achieve spoiler control and standby elevator and THS control.
The autopilot will disconnect if the side stick takeover push button is depressed.
True.
False.
Which of the following statements are correct concerning the side stick takeover push button?
The last pilot to depress the push button has priority.
If the a takeover push button is depressed for more than 40 seconds, the onside system will retain priority after the push button is released.
Both are correct.
Are there any control surfaces with a mechanical backup?
Yes, the ailerons.
No, none of them.
Yes, the rudder only.
Yes, all control surfaces.
What control surfaces do the FACs control?
The elevators.
The spoilers.
The rudder.
All of the above.
Which of the following will automatically reset after landing?
THS.
Rudder trim.
Both are correct.
What happens in the event of a single ELAC failure?
ELAC functions are transferred the SEC’s.
ELAC functions are transferred to FAC’s.
SEC functions are transferred the ELAC’s.
The functions of the failed ELAC will be assumed by the remaining ELAC.
The alpha speed lock function:
Will inhibit flap retraction during an inadvertent movement of the flap selector at high AOA or low speeds.
Will inhibit slat retraction during an inadvertent movement of the flap selector at high AOA or low speeds.
In normal law, if one stick is rapidly pulled fully back, can the aircraft’s maximum allowable “G” load be exceeded?
Yes. Rapid side stick deflection must never be made.
Yes, until maximum pitch attitude is reached.
No. At Maximum “G” load, the side sticks are de-activated for 5 seconds.
No. The load factor limitation overrides side stick commands to avoid excessive “G” loads.
Which controls are used for the mechanical backup?
Ailerons and rudder.
THS and rudder.
Elevators and ailerons.
THS and elevator.
Mechanically backed-up control surfaces:
Require hydraulic power for actuation.
Are mechanically connected to the cockpit controls.
Both are correct.
Selection of flaps one prior to takeoff will select which of the following?
Slats 1 and flaps 1 (1+F).
Slats 0 and flaps 1 (0+F).
Slats 1 and flaps 0 (1).
Slats 1 and flaps 5 (1).
The spoiler panels are the only flight control surfaces with no redundant control.
True
False
What happens in the side stick-neutral high speed protection mode?
The autopilot disengages, bank angle limit is 30° and the aircraft is 25° roll limited.
The autopilot disengages, bank angle limit is 45° and the aircraft is 25° roll limited.
The autopilot disengages, bank angle limit is 40° and the aircraft rolls wings level and pitches up to slow down to VMO/MMO.
The autopilot disengages, bank angle limit is 35° and the aircraft rolls wings level and pitches to 10° to slow down to VMO/MMO - 20 kt.
What is the maximum flap setting for in-flight use of the spoilers?
Flaps FULL.
Flaps 3.
Spoilers are not approved for in-flight use.
Flaps 10.
Q52: The rudder trim rates are:
1.5° per second
0.5° per second
3° per second
5° per second
Which of the following statements is correct concerning the elevator aileron computers (ELAC’s)?
Three computers which achieve normal elevator, stabilizer, and aileron control.
Two computers which achieve normal and standby control of the elevators, ailerons, and trimmable horizontal stabilizer.
Three computers which achieve normal and standby control of the elevators, ailerons, and THS.
Two computers which achieve normal elevator, stabilizer, and aileron control.
The wing tip brakes, once activated:
Lock both the slats and flaps in their current position
Lock only the flaps in their current position.
Lock only the slats in their current position.
Lock only the affected high lift system surfaces in their current position.
Which of the following controls and monitors flaps and slats?
Two ELAC’s.
Wing tip brakes.
The message WING TIP BRK ON appears on the E/WD. What does it mean?
A hydraulic device locks the flaps in their present position.
To reduce structural stress, the slats movement is being slowed down through the wing tip brakes.
To avoid asymmetry, the outer slats are locked in their present position.
Because of the locked flaps, the wing tip brakes also lock the slats.
Where does the SFCCs obtain AOA and air data information from?
SEC
ELAC
ADIRU
ADC
How many actuators are provided to control the ailerons and how many hydraulic sources supply these actuators?
2 hydraulic sources with 4 actuators.
1 hydraulic source with 2 actuators.
4 hydraulic sources with 4 actuators.
3 hydraulic sources with 4 actuators.
If both FAC’s fail, what happens to the rudder limiter?
It immediately assumes the low speed position.
It freezes at its present position and assumes the low speed position when flaps 1 are selected.
Which of the following statements best describes the Load Alleviation function (LAF)?
Helps the pilot control the airplane.
Relieves wing structure loads by deflecting the ailerons and spoilers.
Relieve wing structure loads by deflecting only the spoilers.
Relieves wing structure loads by deflecting the ailerons.
When ground spoilers deploy automatically:
All ten spoiler panels fully deploy.
Four spoiler panels on each wing deploy.
All ten spoiler panels deploy half way.
Six spoiler panels on each wing deploy.
The FAC’s primarily control which control surface?
Elevator.
Rudder.
Aileron.
Elevator and aileron.
Which altitude limitation is associated with high lift devices?
Max altitude for extension is 20,000 ft.
Max altitude for extension is 22,000 ft.
Max altitude for extension is 25,000 ft.
Max altitude for extension is 27,000 ft.
Select the correct option for autopilot rates.
A: A/P on - 5 deg/sec, A/P off - 1 deg/sec.
B: A/P on - 2 1/5 deg/sec, A/P off - 5 deg/sec.
C: A/P on - 3 deg/sec, A/P off - 6 deg/sec.
D: A/P on - 5 deg/sec, A/P off - 6 deg/sec.
Can the crew make a flight control input that will overstress the airplane in direct law?
No. The system is designed to avoid such an attempt.
Yes, there are no protections provided in direct law.
Can you manually trim the rudder with the autopilot engaged?
Yes.
No.
When is the Flight Mode active?
From takeoff until landing.
From liftoff until landing
From liftoff until flare mode engages at 50 ft RA.
From takeoff until passing 50 kts on landing (main shock absorbers depressed)
Automatic pitch trim is provided both on ground and in flight. *Note - It is only active where aircraft is in flight.
True
False
It is the same as in Normal Law.
True
False
In normal law, what is the maximum bank angle you can reach with the side stick fully deflected?
33°
49°
67°
70°
Failure to retract the flaps after takeoff will:
Activate the wing tip brakes.
Result in automatic flap and slat retraction at 210 kts.
Result in automatic flap and slat retraction at 220 kts.
Result in automatic flap retraction at 210 kts.
FAC generated slat and flap extension, retraction, and limiting speeds are visually displayed on which of the following?
The MCDU perf page.
The lower ECAM F/CTL page.
Both pilot’s PFD airspeed displays.
All of the above.
Aileron droop may best be confirmed by checking which of the following?
The position of the ailerons on the exterior preflight inspection.
The hydraulic fluid level in the reservoir.
The position of the rudder trim tab.
The reading on the altimeter.
The wing tip brakes are:
Pneumatically actuated.
Electric brakes.
Hydraulically actuated.
Mechanically controlled, hydraulically actuated.
Selection of flaps 1 in flight will select which of the following configurations?
Slats 1 and flaps 1 (1+F).
Slats 0 and flaps 1 (0+F).
Slats 1 and flaps 0 (1).
Slats 1 and flaps 5 (1+F).
The aircraft rudder can be manually trimmed with the autopilot engaged.
True
False
What happens if you release the stick at 40 degrees of bank?
The bank stays at 40°
The aircraft rolls back to 25°
The aircraft rolls back to 33° and resumes flight path stability.
The aircraft rolls back to a bank angle less than 29°.
When is alpha floor not available?
Out of normal law.
Below 100 feet RA in landing configuration.
If the A/THR is deactivated or unavailable.
All of the above.
What kind of protections are provided if the aircraft is in Alternate Law?
G-load protection with a reduced factor.
Speed Stability
Full G load protection and speed stability
G-load protection and speed stability if the ADIRS and elevators are working.
In Normal Law, what are the limits of Pitch Attitude protections with flaps Full?
30° nose up.
35° nose up progressively reduced to 20°
25° nose up, progressively reduced to 20° at low speed.
There is no limit.
You can degrade directly from Normal Law to Direct Law with gear down and a dual radio altimeter fault.
True
False
When do you get FLARE Mode in Alternate Law?
Never. It goes directly from Alternate Law to Direct Law when the gear is selected down.
When the aircraft is below 1000 feet AGL in Alternate Law.
Only if the autopilot is engaged in Alternate Law.
Whenever the landing gear is extended in Alternate Law.
Turn coordination is available in Alternate Law.
True.
False.
If both pilots deflect their side sticks fully back:
The “pitch up” order is twice as high as with only one stick deflected.
The “pitch up” order is 1.5 times higher as high as with only one stick deflected.
No inputs are sent to the flight control computers unless one pilot presses the takeover pushbutton on his stick.
The “pitch up” order is equal to a single stick deflection.
To disable a side-stick, you have to depress the red take-over button on the active stick. Holding the button down for 40 seconds will electrically lock the other stick out until its own red take-over button is pushed again.
True.
False.
Let’s assume the F/O presses his takeover pushbutton and releases it after more than 40 seconds. Fill in the blank: The Captain’s side stick is ______ unless he presses his takeover pushbutton.
de-activated
activated
locked
inoperative
What condition will cause auto flap retraction?
Exceed 210 kts at Flaps 1
Exceed 210 kt at Flaps 1.
Exceed 195 kt at Flaps 1
Exceed 190 kt with Flaps 1 while extending the speedbrake lever.
What happens to the rudder limits if both FAC’s fault?
The limit freezes at the fault condition until Flaps 1 is selected.
The limit freezes at the fault condition until Flaps 5 is selected.
The limit freezes at the fault condition until Flaps 1 is selected. Then it resets to the low speed limits for increased control.
What happens to high speed (VMO/MMO) when you are in Alternate Law?
VMO is reduced to 320 kt and MMO minus 10 kt.
VMO is reduced to 330 kt and MMO minus 10 kt
VMO is reduced to 320 kt and MMO does not change.
There is no change.
Can the rudders be moved with both FAC’s inoperative?
Yes, if both FACs fail, maximum rudder deflection can be obtained when the slats are extended
Yes, if both FACs fail, maximum rudder deflection can be obtained
Yes, if both FACs fail, maximum rudder deflection can be obtained when the gear is extended or flaps extended at 1 minimum
No.
The FLAP lever sends signal to Slat Flap Control Computer (SFCC) to command movement.
True
False
Is there any rudder pedal feedback for the yaw damping and turn coordination functions?
Yes.
No.
