Flight Controls Flashcards
The elevator utilize ________ and _______ tabs to aid in deflection.
Servo
Spring
Pitch control is provided by ____________ actuated elevators and an ___________ positioned horizontal stabilizer.
Mechanically
Electrically
The elevator spring tabs only work at ________ speeds.
Hight
The HSCU incorporates ____ independent and redundant control channels _________ and backup channel
2
the main
Pitch trip is normally commanded through switches on the control wheels, automatically through the ______________, or through backup switches located on the ___________
autopilot or speed brake switch
Center Console
The ailerons, rudder, spoilers and speed brakes are all _________. The ailerons and rudder also incorporate _____________ reversion in the event of a __________ failure.
hydraulically powered
Mechanical
Hydrauic
All trim systems incorporate a ____ second timer to avoid inadvertent command in case of system failure.
3
The autopilot elevator servo and stick pusher servo are located on the ______ side of the elevator disconnect device.
left
The artificial feel unit for the ailerons is located in the _______ half of the torque tube
right
The rudder power control unit (PCU) is a _____ hydraulic unite and is powered by _______ hydraulic systems
dual
both
The function of the pcu is to command the position of the ______ rudder.
Forward
above ______ knots, the #1 system is automatically switched _____ by the rudder electrical circuit based on the airspeed signals received from the _____
135
off
ADC
Both aileron and rudder systems can be shutoff manually via pushbuttons located on the __________ panel
overhead
An “____________” EICAS caution indicates that both hydraulic systems are powering the rudder above ______ knots.
overboost
135
The three conditions that must occur to activate Rudder Hardover Protection are:
______________
______________
______________
Rudder deflects above 5º
Force on rudder pedal opposite the deflection over 130lbs
Both engines running
The gust lock system blocks movement of the ________
elevator
The _______________ gust lock system acts directly on teh elevator panels utilizing locking pins to prevent movement of teh elevator on the ground.
electromechanical
The flaps are ______ operated, consisting of ____ flap panels installed in each wing. ______ ______ sensors provide protection against asymmetric conditions by insuring that all flap panels are extended at the same rate. The flaps will automatically fail if the asymmetric conditions exceeds ____ degrees
Electrically
2 (double slotted)
Flap Velocity
2
Maximum extension speed for flaps 9º is _______ knots; flaps 22º is ______ knots and flaps 45º is ______ knots
250
200
145
The flap selector lever incorporates 2 microswitches at _____ degrees and ______ degrees for activation signals to the landing gear warning system.
17
27
Ground spoilers employ _____ panels located on the top of each wing while speed rakes utilize only the ______ panels
2
outboard
For ground spoilers to open the following 3 conditions must be met:
__________
__________
__________
Aircraft on the ground
Main landing gear wheels above 25kts
Both engines thrust levers below 30º TLA, or N2 below 56.4% N2
For the speed brake to open, the following 3 conditions must be met:
___________
___________
___________
Thrust levers below 50º TLA
Flaps set less than 13º
The speed brake lever set to OPEN
Pitch trim indications are normally read on the _______, but can also be verified outside by the marks ahead of the _________ stabilizer.
EICAS
Horizontal
The Stall Protection System (SPS) computer has _____ channels, an ______ panel, _____ AOA sensors, _____ stick shaker actuators and one stick _______ actuator.
2
SPS
2
2
pusher
Three conditions that cause the SPS test button to illuminate are:
______________________
______________________
______________________
Power up on ground prior to test or after a failed test
Pressing the test button will cause it to illuminate
Test button will remain illuminated if the Quick Disconnect button is pressed during the test
One requirement when performing a test of the Stall Protection System is to release ____________________.
The Quick Disconnect Button
The stick pusher is inhibited under the following conditions: \_\_\_\_\_\_\_\_\_\_\_ \_\_\_\_\_\_\_\_\_\_\_\_ \_\_\_\_\_\_\_\_\_\_\_ \_\_\_\_\_\_\_\_\_\_\_\_ \_\_\_\_\_\_\_\_\_\_\_ \_\_\_\_\_\_\_\_\_\_\_\_ \_\_\_\_\_\_\_\_\_\_\_
On the ground except during test below 0.5 g positive When Quick Disconnect Button is pressed Below 200 ft AGL; with RA failure, reverts to 10 seconds after TO if any cutout button is released Above 200 KIAS if any one subsystem is inoperative
The Quick Disconnect Button on either control wheel will ________ the stick pusher but will not _____________ the system.
inhibit
Disengage
