Flight Controls

Question 1

What powers the Power Control Units (PCU) that move various flight controls?

Answer 1

Hydraulic pressure

Question 2

The trailing rudder deflects at _____ the rate of the fore rudder rate.

Answer 2

2x

Question 3

The trailing rudder is connected to the fore rudder by which component?

Answer 3

Geared push rods

Question 4

What controls the distance the rudder can travel?

Answer 4

2 systems:
Flaps setting
FCECU based on airspeed

Question 5

What is the distance the rudder can travel either side of center when the flaps are set to 0 degrees?

Answer 5

12 degrees left or right of center

Question 6

With the flaps set to 5 degrees or greater, what is the maximum rudder travel either side of center?

Answer 6

18 degrees of travel either side of center

Question 7

T/F: At low speeds, the FCECU does not limit hydraulic pressure to the rudder.

Answer 7

TRUE

Question 8

T/F: At low speeds, the FCECU limits hydraulic pressure to the rudder.

Answer 8

FALSE, at low speeds it does not limit pressure providing greater travel

Question 9

T/F: At high airspeeds, hydraulic pressure to the rudder is reduced.

Answer 9

TRUE

Question 10

T/F: At high airspeeds, hydraulic pressure to the rudder is not limited.

Answer 10

FALSE, it is limited to reduce the rudder deflection

Question 11

How do pilots know if the elevator trim position signal fails?

Answer 11

Elevator trim pointer indicates off-scale (can be off scale nose down or nose up)

Question 12

T/F: If the trim position signal fails, the trim still operates normally.

Answer 12

TRUE

Question 13

What provides roll control for the aircraft?

Answer 13

2 ailerons and 4 spoilers

Question 14

T/F: The ailerons are directly operated by the First Officer’s control column.

Answer 14

TRUE

Question 15

T/F: The ailerons are directly operated by the Captain’s control column.

Answer 15

FALSE, they are linked, but the spoilers are directly operated by the Captain’s control column

Question 16

The ailerons are mechanically controlled and _____.

Answer 16

Cable operated

Question 17

The spoilers are mechanically controlled and _____.

Answer 17

Hydraulically operated

Question 18

T/F: The aircraft has a roll disconnect handle that allows the control wheels to be separated in the event of an aileron or spoiler jam.

Answer 18

TRUE

Question 19

How far will the control yokes travel to either side?

Answer 19

70 degrees

Give 17 degrees of aileron travel either side of center

Question 20

Which direction does the geared tab move on the aileron?

Answer 20

Opposite direction of the aileron to reduce control forces

Question 21

T/F: The aileron trim should be used when autopilot is engaged.

Answer 21

FALSE, that will cause MISTRIM condition

Question 22

T/F: Aileron trim should be used when autopilot is not engaged.

Answer 22

TRUE

Question 23

Which hydraulic system control the inboard spoilers?

Answer 23

1

Question 24

Which hydraulic system controls the outboard spoilers?

Answer 24

2

Question 25

When operating at airspeeds greater than _____ kts, the FCECU inhibits outboard spoiler movement.

Answer 25

170 kts

Question 26

At decreasing airspeeds less than _____ kts, both outboard spoilers are active.

Answer 26

165 kts

Question 27

The inboard and outboard spoilers will fully extend after landing when _____.

Answer 27

The spoiler switch is in FLIGHT position Both power levers are at or less than FLIGHT IDLE PSEU is receiving a Weight on Wheels (WOW) signal from the left and right main landing gear

Question 28

The inboard and outboard spoilers will fully extend after landing when _____.

Answer 28

Spoiler switch is in FLIGHT position Both power levers are at or aft of the FLIGHT IDLE gate PSEU receives a weight on wheels (WOW) signal from the left and right landing gear

Question 29

The inboard and outboard spoilers are fully extended after landing when _____.

Answer 29

The ROLL INBD and ROLL OUTBD advisory lights are illuminated | Also PFCS will show all 4 extended

Question 30

T/F: If there is a jam in the spoiler PCU linkage, the spoiler clutch mechanism will remove the spoiler from the PCU.

Answer 30

TRUE

Question 31

The elevators are mechanically controlled and _____.

Answer 31

Hydraulically operated

Question 32

The Captain’s yoke is directly connected to which elevator side?

Answer 32

Left side elevator

Question 33

How many hydraulic PCUs power the left side of the elevator?

Answer 33

3 PCUs

Question 34

How many total hydraulic PCUs power the whole elevator?

Answer 34

6 PCUs | 3 on each side

Question 35

How many hydraulic PCUs power the right side of the elevator?

Answer 35

3 PCUs

Question 36

Who/what has the highest priority for pitch trim?

Answer 36

Captain then first officer then autopilot

Question 37

The Stall Protection System is active when?

Answer 37

Calibrated airspeed is less than 215 kts Altitude is more than 200 feet AGL Stick Pusher SHUT OFF switch light is not selected OFF

Question 38

How many pounds of force is needed to override the stick pusher?

Answer 38

80 lbs of force

Question 39

T/F: The stall warning angle of attack limit is set to a lower value when ice is adhering to the aircraft.

Answer 39

TRUE | Assuming REF SPEEDS is set to INCR

Question 40

T/F: Maximum rudder travel is based on flap selection.

Answer 40

TRUE

Question 41

The RUD1 or 2 PUSH OFF switch lights _____.

Answer 41

depressurization the associated rudder PCU

Question 42

Roll control is provided by 2 ailerons and a total of _____ flight spoilers.

Answer 42

4

Question 43

What does the SPOILERS switch on the glare shield accomplish?

Answer 43

Controls spoiler mode (FLIGHT or TAXI)

Question 44

In the event of a roll control jam:

Answer 44

Autopilot Disengage If control still jammed: ROLL DISC Handle pull and turn 90 degrees Control wheels both pilots attempt roll control Aircraft control pilot with free controls flies Call for Roll Control Jam Checklist

Question 45

Which flight controls are not hydraulically operated?

Answer 45

Ailerons

Question 46

The ELEVATOR PRESS caution light illuminates when what occurs?

Answer 46

All 3 PCUs are operating

Question 47

T/F: The pitch feel and trim unit provides tactile feedback to simulate control loads and avoid over control of the elevator.

Answer 47

TRUE

Question 48

T/F: Pitch trim rate is variable and based on flap configuration.

Answer 48

FALSE, based on airspeed not flaps

Question 49

The FLAP POWER caution light illuminates to indicate _____.

Answer 49

General System Failure | Flaps are unsafe for use and locked in the last valid position

Question 50

T/F: If the stick shaker activates, the autopilot will remain engaged and revert to TOGA mode.

Answer 50

FALSE, autopilot will disengage and will not revert to TOGA mode