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Q400 SV > Flight Controls > Flashcards

Flight Controls Flashcards

1
Q

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

A

Hydraulics.

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2
Q

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

A

2 times.

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3
Q

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

A

Push rods.

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4
Q

What controls the distance the rudder can travel?

A

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

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5
Q

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

A

12º either side.

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6
Q

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

A

18º either side.

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7
Q

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

A

True.

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8
Q

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

A

False.

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9
Q

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

A

True.

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10
Q

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

A

False.

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11
Q

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

A

Trim indication moves off scale.

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12
Q

T or F: if the trim position signal fails, the trim still operates normally?

A

True.

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13
Q

What provides roll control for the aircraft?

A

Two ailerons assisted by four flight spoilers.

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14
Q

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

A

True.

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15
Q

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

A

False.

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16
Q

The ailerons are mechanically controlled and ____.

A

Cable operated.

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17
Q

The spoilers are mechanically controlled and ____.

A

Hydraulically operated.

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18
Q

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.

A

True.

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19
Q

How far will the control yokes travel to either side?

A

70º of center.

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20
Q

Which direction does the geared tab move on the aileron?

A

Opposite.

21
Q

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

A

False.

22
Q

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

A

True.

23
Q

Which hydraulic system controls the inboard spoilers?

A

1.

24
Q

Which hydraulic system controls the outboard spoilers?

A

2.

25
Q

When operating at airspeeds greater than ____ knots, the FCECU inhibits outboard spoiler movement.

A

170 knots.

26
Q

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

A

165 knots.

27
Q

The inboard and outboard spoilers fully extend when ____.

A

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.

28
Q

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

A

True.

29
Q

The elevators are mechanically controlled and ____.

A

Hydraulically operated.

30
Q

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

A

Left.

31
Q

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

A

Three.

32
Q

How many total hydraulic PCUs power the whole elevator?

A

Six.

33
Q

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

A

Three.

34
Q

Who/what has the highest priority for pitch trim?

A

Captain.

35
Q

The stall protection system is active when?

A

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

36
Q

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

A

80 pounds.

37
Q

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

A

True.

38
Q

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

A

True.

39
Q

The RUD1 or 2 PUSH OFF switchlights ____.

A

Depressurize the associated rudder PCU.

40
Q

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

A

4 flight spoilers.

41
Q

What does the SPOILERS switch on the glareshield accomplish?

A

Controls the spoiler mode.

42
Q

In the event of a roll control jam:

A

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

43
Q

Which flight controls are not hydraulically operated?

A

Ailerons.

44
Q

The ELEVATOR PRESS caution light illuminates when what occurs?

A

All 3 elevator PCUs are operating.

45
Q

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

A

True.

46
Q

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

A

False, it is based on airspeed.

47
Q

The FLAP POWER caution light illuminates to indicate ____.

A

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

48
Q

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

A

False.

Q400 SV (24 decks)

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