Flight controls Flashcards
What are the maneuvering speeds for Flaps 0, 1, 5, 15 and 20?
VREF plus 80, 60, 40 and 20 knots
What is the status of the alternate trailing edge flap system when the alternate trailing edge flap switch is blank?
Deactivated
How many independent yaw damper systems are there?
Two
What is the status of a yaw damper with ON in view and the INOP light extinguished?
Powered without a fault condition
Which of the following is true for the stabilizer trim when both stabilizer trim cut out switches are in the CUTOUT position?
Hydraulic power is shut off
Where is the aileron trim indicator located?
Both control columns
What does the Aileron Trim Indicator display?
Units of trim
What does the rudder trim reposition?
The rudder neutral point
The yaw damper system:
Improves airplane directional stability
The alternate flap system provides
For all flap positions using electric motors
Which of the following is a required condition for automatic speedbrake extension?
Both thrust levers at idle
When are the leading edge slats extended to the landing position during normal flap extension?
Flaps 25
What is the purpose of the Flap Load Relief system?
To prevent flap system overload or damage caused by high airspeed
Which trim signals do the control column operated trim cutoff switches affect?
Electrical
Which hydraulic systems power stabilizer trim?
LEFT and CENTRE
What are the functions of the dual aileron trim switches?
When actuated together, they provide electrical arming and directional signals to reposition the ailerons
Which hydraulic system operates the flaps?
CENTRE
How are the flaps hydraulically powered under normal conditions?
Only the CENTRE system
When are the outboard ailerons locked out?
High airplane speeds
What may be indicated when the aileron lockout light comes on at high airspeeds?
One or both of the outboard ailerons failed to lock-out
Why are the outboard ailerons locked out?
To prevent overcontrolling the airplane at high airspeeds
Why should the speedbrake lever be moved from ARMED to the DOWN detent if the AUTO SPDBRK light illuminates
To prevent inadvertent speedbrake extension in flight
Which of the following is true when the AUTO SPDBRK light is illuminated?
Speedbrakes can still be operated manually
What is indicated by a FLAP LD RELIEF EICAS advisory message?
System failed to operate when required
What is the function of the rudder ratio system?
Desensitise rudder pedal inputs from the pilot to reduce rudder deflection with increasing airspeed
What is indicated by an illuminated SPOILERS light and SPOILERS EICAS message?
One or more spoiler panels has failed to operate
What is indicated by STAB TRIM light during electrical trimming?
Only one stabilizer brake failed to release
What is the electric stab trim rate with the STAB TRIM light illuminated?
1/2 of normal rate
When are flight control shutoff switches used?
Ground use only
What systems must be available to the Yaw Dampers to pass a yaw damper test?
One aligned IRS and hydraulic power for the system tested
What EICAS page displays the rudder, aileron and elevator position?
Status
Which trailing edge flap drive systems have asymmetry protection?
Only normal
Which of the following are indicated by the UNSCHED STAB TRIM light?
Stabilizer movement without a trim signal
When the stabilizer moves in the opposite direction signalled by the autopilot, the UNSCHED STAB TRIM light illuminates.
True
Which hydraulic system loss prevents auto speedbrake deployment?
CENTRE
How many hydraulic actuators are used for each elevator?
Three
What is the stab trim rate during autopilot operation?
1/2 the electric trim rate
How can stabilizer movement be stopped?
Move the control column in the direction opposing trim
How many hydraulic system(s) provide hydraulic power for the rudder?
Three
From where is airspeed data for the ratio changer received?
Air Data Computer (ADC)
What does RUDDER RATIO light illuminated inflight mean?
Control inputs to the rudder are not being correctly modified
What is indicated when the LEFT Yaw Damper switch is OFF and the INOP light is illuminated?
The system has been turned off manually
What is indicated when the right yaw damper switch has an ON indication and the INOP light is illuminated?
A fault exists in the system
How many actuators on each aileron panel position the ailerons?
Two
How many spoilers panels are there on each wing?
Six
When will the speedbrakes extend automatically, after landing, if the speedbrake lever is not armed?
Will deploy when either reverse thrust lever is moved to the interlock stop
What is indicated by the AUTO SPDBRK light when the system is armed?
A fault exists which may cause an inflight extension
How are the flaps operated after a CENTRE hydraulic system failure?
The alternate system operates the flaps with electric motors
How long does the alternate flap extension system require to extend the flaps and slats from UP to the 20 position?
Approximately 3 minutes
Which ailerons lock out at speeds above approximately 280 kts?
Outboard ailerons
Which hydraulic system supplies power to the flaps and slats?
Centre
What conditions are necessary for the speed brakes to extend automatically at touchdown?
Both throttles at idle and both truck tilt sensors detect no tilt condition; speedbrake lever positioned to ARMED
At which flaps setting do the leading edge slats move to the fully extended position?
Position 25 (At any setting past flaps 20…)
For the speedbrakes to extend automatically during a RTO, the Speedbrake lever must be positioned to ARMED
False
What happens when moving the flap lever from UP to the 1 position?
Only the leading edge slats extend
Before you land, ‘AUTO SPEEDBRAKE’ EICAS message appears. What is the result?
The speedbrakes do not extend automatically upon landing
What inflight restrictions result from the loss of both yaw dampers?
No inflight restrictions apply
Do the rudder pedals move with rudder trim inputs?
Yes
Do the rudder pedals move with yaw damper inputs?
No
In normal operations, which hydraulic systems supply power to the horizontal stabilizer trim modules?
Left and Centre
When do the leading edge slats move to the fully extended position?
At any setting past flaps 20
How does the alternate flap/slat system differ from the normal flap/slat system?
The leading edge and trailing edge power drive units operate at independent systems.
When both STAB TRIM cutout switches positioned to CUT OUT, how can you trim the horizontal stabilizer?
The stabilizer cannot be trimmed
