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Craig > Flight Controls > Flashcards

Flight Controls Flashcards

1
Q

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

A

Hydraulic pressure

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2
Q

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

A

2x

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3
Q

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

A

Geared push rods

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4
Q

What controls the distance the rudder can travel?

A

2 systems:
Flaps setting
FCECU based on airspeed

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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

12 degrees left or right of center

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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

18 degrees of travel either side of center

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7
Q

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

A

TRUE

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8
Q

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

A

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

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9
Q

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

A

TRUE

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10
Q

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

A

FALSE, it is limited to reduce the rudder deflection

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11
Q

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

A

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

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12
Q

T/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

2 ailerons and 4 spoilers

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14
Q

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

A

TRUE

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15
Q

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

A

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

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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/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

70 degrees

Give 17 degrees of aileron travel either side of center

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20
Q

Which direction does the geared tab move on the aileron?

A

Opposite direction of the aileron to reduce control forces

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21
Q

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

A

FALSE, that will cause MISTRIM condition

22
Q

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

A

TRUE

23
Q

Which hydraulic system control the inboard spoilers?

A

1

24
Q

Which hydraulic system controls the outboard spoilers?

A

2

25
Q

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

A

170 kts

26
Q

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

A

165 kts

27
Q

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

A

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

28
Q

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

A

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

29
Q

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

A

The ROLL INBD and ROLL OUTBD advisory lights are illuminated

Also PFCS will show all 4 extended

30
Q

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

A

TRUE

31
Q

The elevators are mechanically controlled and _____.

A

Hydraulically operated

32
Q

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

A

Left side elevator

33
Q

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

A

3 PCUs

34
Q

How many total hydraulic PCUs power the whole elevator?

A

6 PCUs

3 on each side

35
Q

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

A

3 PCUs

36
Q

Who/what has the highest priority for pitch trim?

A

Captain then first officer then autopilot

37
Q

The Stall Protection System is active when?

A

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

38
Q

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

A

80 lbs of force

39
Q

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

A

TRUE

Assuming REF SPEEDS is set to INCR

40
Q

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

A

TRUE

41
Q

The RUD1 or 2 PUSH OFF switch lights _____.

A

depressurization the associated rudder PCU

42
Q

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

A

4

43
Q

What does the SPOILERS switch on the glare shield accomplish?

A

Controls spoiler mode (FLIGHT or TAXI)

44
Q

In the event of a roll control jam:

A

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

45
Q

Which flight controls are not hydraulically operated?

A

Ailerons

46
Q

The ELEVATOR PRESS caution light illuminates when what occurs?

A

All 3 PCUs are operating

47
Q

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

A

TRUE

48
Q

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

A

FALSE, based on airspeed not flaps

49
Q

The FLAP POWER caution light illuminates to indicate _____.

A

General System Failure

Flaps are unsafe for use and locked in the last valid position

50
Q

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

A

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

Craig (26 decks)

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