Flight Controls

Question 1

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

Answer 1

Hydraulics.

Question 2

The trailing rudder deflect at ____ the rate of the fore rudder rate.

Answer 2

2 times.

Question 3

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

Answer 3

Push rods.

Question 4

What controls the distance the rudder can travel?

Answer 4

Rudder input restrictor and Flight Control Electronic Unit (FCECU).

Question 5

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

Answer 5

12º either side.

Question 6

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

Answer 6

18º either side.

Question 7

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

Answer 7

True.

Question 8

T or F: at low speeds, the FCECU limits hydraulic pressure to the rudder.

Answer 8

False.

Question 9

T or F: at high airspeeds, hydraulic pressure to the rudder is reduced.

Answer 9

True.

Question 10

T or F: at high airspeeds, hydraulic pressure to the rudder is not limited.

Answer 10

False.

Question 11

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

Answer 11

Trim indication moves off scale.

Question 12

T or 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

Two ailerons assisted by four flight spoilers.

Question 14

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

Answer 14

True.

Question 15

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

Answer 15

False.

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 or 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

70º of center.

Question 20

Which direction does the geared tab move on the aileron?

Answer 20

Opposite.

Question 21

T or F: the aileron trim should be used when autopilot is engaged.

Answer 21

False.

Question 22

T or F: aileron trim should be used when autopilot is not engaged.

Answer 22

True.

Question 23

Which hydraulic system controls 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 ____ knots, the FCECU inhibits outboard spoiler movement.

Answer 25

170 knots.

Question 26

At decreasing airspeeds less than ____ knots, both outboard spoilers are active.

Answer 26

165 knots.

Question 27

The inboard and outboard spoilers fully extend when ____.

Answer 27

The spoiler switch is in flight, both power levers are less than flight idle plus 12º, weight-on-wheel proximity on both landing gear indicate the plane is on the ground.

Question 28

T or F: if there is a jam in the spoiler PCU linkage, the spoiler clutch mechanism will removed the spoiler from the PCU.

Answer 28

True.

Question 29

The elevators are mechanically controlled and ____.

Answer 29

Hydraulically operated.

Question 30

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

Answer 30

Left.

Question 31

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

Answer 31

Three.

Question 32

How many total hydraulic PCUs power the whole elevator?

Answer 32

Six.

Question 33

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

Answer 33

Three.

Question 34

Who/what has the highest priority for pitch trim?

Answer 34

Captain.

Question 35

The stall protection system is active when?

Answer 35

Calibrated airspeed is less than 215 knots, altitude is greater than 200' AGL, STICK PUSHER SHUTOFF is not selected.

Question 36

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

Answer 36

80 pounds.

Question 37

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

Answer 37

True.

Question 38

T or F: maximum rudder travel is based on flap selection.

Answer 38

True.

Question 39

The RUD1 or 2 PUSH OFF switchlights ____.

Answer 39

Depressurize the associated rudder PCU.

Question 40

Roll control is provided by 2 ailerons and a total of ____.

Answer 40

4 flight spoilers.

Question 41

What does the SPOILERS switch on the glareshield accomplish?

Answer 41

Controls the spoiler mode.

Question 42

In the event of a roll control jam:

Answer 42

Pulling the ROLL DISC handle isolates the pilots' control wheels.

Question 43

Which flight controls are not hydraulically operated?

Answer 43

Ailerons.

Question 44

The ELEVATOR PRESS caution light illuminates when what occurs?

Answer 44

All 3 elevator PCUs are operating.

Question 45

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

Answer 45

True.

Question 46

T or F: pitch trim rate is variable and based on flap configuration.

Answer 46

False, it is based on airspeed.

Question 47

The FLAP POWER caution light illuminates to indicate ____.

Answer 47

General system failure, flaps are unsafe to use and locked in the last valid position.

Question 48

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

Answer 48

False.