Flight Controls Flashcards
Normal flap extension from 0 to 30 should not exceed what time limit?
25 seconds
What degree can multifunction Spoilers extend with control wheel input?
45 degrees
What are the selectable flap positions?
0,10,20,30
Why are balance tabs installed?
To reduce the pilot effort needed to move the ailerons.
Do both ailerons have trim tabs ?
No only the left aileron.
Can spoilers and flaps be used at the same time?
Yes
What result does the calculated trim setting achieve?
Trimmed for V2
How does manual reversion work?
Automatically , with cables thru the PCUs.
Do PRI and SEC trim travel at the same rate?
No
Primary trim adjust trim according to speed and secondary trim is a constant 0.2 degrees per second
What trim, primary or secondary, trims faster at takeoff?
Primary trim
What trim, primary or secondary, trims faster at cruise?
Secondary trim
The primary trim has which functions that the secondary trim does not have?
Autopilot
Configuration trim
Variable speed trim
Mach trim
If primary trim is in operable, is configuration trim still available?
No
In what situation are ALT Flaps needed?
Loss of right hydraulic pressure or when directed by procedure
Is the travel time the same using ALT flaps compared with using normal Flaps?
No
Using ALT flaps , the flaps run more slowly at FLAPS RATE LOW.
RVDT is an acronym for what term?
Rotary variable differential transformer
Where are the spoiler RVDTs located ?
Inside both yokes.
What computer commands the spoilers to move ?
SECU
Spoiler electronic control unit computer
Which spoilers are used for Lift dumping?
1 and 8 in MAX and 2 and 7 in EMER
Which spoiler panels move on the ground?
All of them.
What conditions must be met for ground spoiler deployment?
Ground spoilers Armed Both throttles at idle 2 is the following 3 : Wow RA<7ft Wheel speed >16kts
What are the limitations with flight spoiler use?
VApp <8kts
Not below 500AGL
NO EMER spoilers unless emergency conditions or directed by procedure
What is the memory item for roll/ yaw axis Uncommanded motion?
MSM- Depress and hold
What are the memory items for overspeed?
Thrust levers - idle
Autopilot disconnect
Flight Spoilers - Emer
Level the wings, then pitch up
What are the memory items for stall?
Lower the pitch attitude to reduce angle of attack
Thrust levers - APR
Flight spoilers - Retract
Level the wings
What are the memory items for Pitch Axis Uncommanded motion or Trim Clacker?
MSM- Depress and hold
What are the memory items for Pitch Control Jam?
Pitch Disc- Pull and turn
Determine side without the jam and transfer control to other pilot.
What are the memory items for Roll Control Jam?
Roll disc lever - pull to activate
Determine side without the jam and transfer control to that pilot
Which flight control does the left yoke operate when pulling the role disconnect?
The left yoke controls multifunction Spoilers only
Which flight control does the right yoke operate when pulling the role disconnect?
The ailerons
Can the auto pilot be reengaged after pulling the Roll disconnect?
No
Which flight control surfaces are locked with Gust lock?
Ailerons only
Which flight control surface does the left yoke operate when pulling the pitch Disconnect handle?
Left elevator
Which flight control surface does the right yoke operate when pulling the pitch Disconnect handle?
The right elevator
What is the maximum altitude at which the flaps can be extended?
18,000 ft
When can the flight spoilers be extended to emergency?
In an emergency condition and when directed by a procedure
Flight spoilers must not be extended in-flight below which approach speed
VApp + 8 KIAS
Flight spoilers must not be extended below which altitude?
500AGL
Name the primary flight controls
Roll spoilers , ailerons, elevator, rudder
What is a bent tab?
Bent tabs are positioned on the trailing edge of the aileron surface to keep the surface upflow to a minimum at high speeds.
Which flight computer controls the outboard flights Spoilers?
SECU2
Which flight computer controls the inboard flight Spoilers?
SECU 1
PCU is an acronym for what term?
Power control unit
If a series of defective components causes the available hydraulic pressure to decrease to zero can the Rudder be controlled?
Yes thru cables by mechanical input only
Manual reversion
For approximately how long to a PCUs provide Rudder dampening against gust loads after hydraulic pressure is removed?
12 hrs
Is there artificial feel to the rudder?
Yes
The writer travel limit can find rudder control surface movement as a function of what?
Airspeed
The Yaw Damper system is mechanically limited to how many degrees of Rudder deflection
5 degrees
When the aircraft accelerate above______kt, The Yaw dampening function is smoothly disabled until weight is off the wheels.
60 kts
Can the Yaw Damper be engaged independently from the auto pilot?
Yes
Can the auto pilot be engaged independently from the Yaw Damper?
No
If the elevator split is greater than______degrees, And Amber ELEVATOR SPLIT caution EICAS message displays.
7.5 degrees
What are the VFe speeds for flaps 10,20 and 30?
10-210
20-210
30-175
Name the secondary flight controls.
Aileron and rudder trims
Horizontal stabilizer
Flaps
Spoilers
If the MACH trim is INoperative and the auto pilot is engaged, is speed limited?
No
With the Spoilers in the MAX position and flaps extending to the ______ position, The aircraft may exhibit a slight wing dip that is easily controllable by either pilot or by the auto pilot.
Flap 20
When extended, the ground Spoilers extend to______ degrees ; The multifunction Spoilers extend to______ degrees
60 degrees - ground spoilers
45 degrees - multifunction spoilers
Name the items monitored by the Takeoff configuration warning system.
Flaps Spoilers Parking brake Autopilot Aileron trim Rudder trim Roll and pitch disconnect Horizontal stabilizer trims
The challenger 350 aircraft has how many stick shakers in what positions?
2
One attached to each yoke
The challenger 350 aircraft has how many stick pushers in what location?
One.
In the left yoke
Can the stick pusher be over powered?
Yes
What are the three limitations regarding the use of flight spoilers?
Not below 500 AGL
VApp +8 kts
EMER only used in emergency conditions or when directed in a procedure
What functions of PRI stab trim are lost when selecting SEC trim?
Autopilot
Configuration trim
Variable speed trim
Mach trim