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Q400 > Flight Controls > Flashcards

Flight Controls Flashcards

1
Q

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

A

Hydraulics

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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

PUSH RODS

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4
Q

What controls the distance the rudder can travel?

A

RUDDER IMPUT RESTRICTOR 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

12 Degrees either side 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

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7
Q

True or False: At low speeds, the FCECU does not limit hydraulic pressure to the rudder.

A

True

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8
Q

True or False: At low speeds, the FCECU limits hydraulic pressure to the rudder.

A

False

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9
Q

True or False: At high airspeeds, hydraulic pressure to the rudder is reduced.

A

True

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10
Q

True or False: 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 elevator trim position signal fails?

A

The trim indication moves off scale.

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12
Q

True or False: 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 roll spoilers.

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14
Q

True or False: The ailerons are directly operated by the First Officer’s control column.

A

True

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15
Q

True or False: 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

Mechanically operated.

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17
Q

True or False: 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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18
Q

How far will the control yokes travel to either side?

A

70°

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19
Q

Which direction does the geared tab move on the aileron?

A

Opposite direction of aileron.

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20
Q

True or False: The aileron trim should be used when autopilot is engaged.

A

False

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21
Q

True or False: Aileron trim should be used when autopilot is not engaged.

A

True

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22
Q

Which hydraulic system controls the inboard spoilers?

A

Hydraulcs #1

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23
Q

Which hydraulic system controls the outboard spoilers?

A

Hydraulics #2

24
Q

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

A

170 knots

25
Q

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

A

165 knots

26
Q

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

A
  • Spoilers switch is in FLIGHT
  • Power levers at or aft of FLIGHT IDLE
  • Weight-on-wheels
27
Q

True or False: If there is a jam in the spoiler PCU linkage, the spoiler clutch mechanism will remove the spoiler form the PCU.

A

True

28
Q

The elevators are mechanically controlled and _____.

A

Hydraulically Operated

29
Q

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

A

Left Elevator

30
Q

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

A

3

31
Q

How many total hydraulic PCUs power the whole elevator?

A

6

32
Q

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

A

3

33
Q

Who/what has the highest priority for pitch trim?

A
  1. Captain,
  2. FO,
  3. Autopilot
34
Q

The Stall Protection System is active when?

A
  • Calibrated Airspeed is less than 215 Knots
  • Altitude is greater than 200’ AGL,
  • The stick shaker shutoff is not in the off position
35
Q

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

A

80 lbs. of force

36
Q

True or False: The stall warning angle of attack limit is set to a lower value when ice is adhering to the aircraft.

A

True

37
Q

True or False: Maximum rudder travel is based on flap selection.

A

True

38
Q

The RUD1 or 2 PUSH OFF switchlights _____.

A

Depressurize the Rudder PCU

39
Q

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

A

4

40
Q

What does the SPOILERS switch on the glareshield accomplish?

A

Controls which spoilers are active

41
Q

In the event of a roll control jam:

A

Pulling the ROLL DISC handle isolates each pilots control wheel

42
Q

Which flight controls are not hydraulically operated?

A

Ailerons

43
Q

The ELEVATOR PRESS caution light illuminates when what occurs?

A

All 3 elevator PCU’s are operating

44
Q

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

A

True

45
Q

True or False: Pitch trim rate is variable and based on flap configuration.

A

False (Its based on airspeed)

46
Q

The FLAP POWER caution light illuminates to indicate _____.

A

General systems failure, Flaps are unsafe to use and are locked in the last valid position

47
Q

True or False: If the stick shaker activates, the autopilot will remain engaged and revert to TOGA mode.

A

False

48
Q

The spoilers are mechanically controlled and _____

A

Hydraulically powered

49
Q

What is the nominal pressure created by the engine-driven hydraulic pumps?

A

3,000 PSI

50
Q

What provides backup pressure for the #1 Hydraulic System?

A

Standby pump

51
Q

1 Hydraulics

BARFPIE

A 
B - brakes
A - anti-skis
R - rudder
F - flaps
P - PTU
I - inboard spoilers
E - elevator
52
Q

2 Hydraulics

LOSER E

A 
L - landing gear
O - outboard spoilers
S - steering
E - emerg parking brake
R - rudder

E - elevators

53
Q

3 Hydraulics

A

E - elevators

54
Q

Engine Accessory Gearbox

FOD P

A

F - fuel pump
O - oil pump
D - DC starter/generator
P - permanent magnetic alternator (PMA)

55
Q

Prop Reduction Gearbox

HAPP

A

H - hyd pump (main)
A - a/c generator
P - pitch control unit (PCU)
P - prop oil pump/prop overspeed governor

56
Q

A/C Bus

MAST

A

M - most de-ice/anti-ice components
A - aux fuel pumps
S - standby hyd pumps
T - TRUs

Q400 (31 decks)

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