Flight Controls Flashcards

0
Q

The elevator utilize ________ and _______ tabs to aid in deflection.

A

Servo

Spring

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1
Q

Pitch control is provided by ____________ actuated elevators and an ___________ positioned horizontal stabilizer.

A

Mechanically

Electrically

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2
Q

The elevator spring tabs only work at ________ speeds.

A

Hight

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3
Q

The HSCU incorporates ____ independent and redundant control channels _________ and backup channel

A

2

the main

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4
Q

Pitch trip is normally commanded through switches on the control wheels, automatically through the ______________, or through backup switches located on the ___________

A

autopilot or speed brake switch

Center Console

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5
Q

The ailerons, rudder, spoilers and speed brakes are all _________. The ailerons and rudder also incorporate _____________ reversion in the event of a __________ failure.

A

hydraulically powered

Mechanical

Hydrauic

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6
Q

All trim systems incorporate a ____ second timer to avoid inadvertent command in case of system failure.

A

3

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7
Q

The autopilot elevator servo and stick pusher servo are located on the ______ side of the elevator disconnect device.

A

left

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8
Q

The artificial feel unit for the ailerons is located in the _______ half of the torque tube

A

right

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9
Q

The rudder power control unit (PCU) is a _____ hydraulic unite and is powered by _______ hydraulic systems

A

dual

both

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10
Q

The function of the pcu is to command the position of the ______ rudder.

A

Forward

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11
Q

above ______ knots, the #1 system is automatically switched _____ by the rudder electrical circuit based on the airspeed signals received from the _____

A

135

off

ADC

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12
Q

Both aileron and rudder systems can be shutoff manually via pushbuttons located on the __________ panel

A

overhead

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13
Q

An “____________” EICAS caution indicates that both hydraulic systems are powering the rudder above ______ knots.

A

overboost

135

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14
Q

The three conditions that must occur to activate Rudder Hardover Protection are:
______________
______________
______________

A

Rudder deflects above 5º

Force on rudder pedal opposite the deflection over 130lbs

Both engines running

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15
Q

The gust lock system blocks movement of the ________

16
Q

The _______________ gust lock system acts directly on teh elevator panels utilizing locking pins to prevent movement of teh elevator on the ground.

A

electromechanical

17
Q

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

A

Electrically

2 (double slotted)

Flap Velocity

2

18
Q

Maximum extension speed for flaps 9º is _______ knots; flaps 22º is ______ knots and flaps 45º is ______ knots

A

250

200

145

19
Q

The flap selector lever incorporates 2 microswitches at _____ degrees and ______ degrees for activation signals to the landing gear warning system.

20
Q

Ground spoilers employ _____ panels located on the top of each wing while speed rakes utilize only the ______ panels

A

2

outboard

21
Q

For ground spoilers to open the following 3 conditions must be met:
__________
__________
__________

A

Aircraft on the ground

Main landing gear wheels above 25kts

Both engines thrust levers below 30º TLA, or N2 below 56.4% N2

22
Q

For the speed brake to open, the following 3 conditions must be met:
___________
___________
___________

A

Thrust levers below 50º TLA

Flaps set less than 13º

The speed brake lever set to OPEN

23
Q

Pitch trim indications are normally read on the _______, but can also be verified outside by the marks ahead of the _________ stabilizer.

A

EICAS

Horizontal

24
The Stall Protection System (SPS) computer has _____ channels, an ______ panel, _____ AOA sensors, _____ stick shaker actuators and one stick _______ actuator.
2 SPS 2 2 pusher
25
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
26
One requirement when performing a test of the Stall Protection System is to release ____________________.
The Quick Disconnect Button
27
``` 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 ```
28
The Quick Disconnect Button on either control wheel will ________ the stick pusher but will not _____________ the system.
inhibit Disengage