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Flight questions > T-6 Systems 1 - FLT Controls+HYD > Flashcards

T-6 Systems 1 - FLT Controls+HYD Flashcards

1
Q

The ailerons control movement of the aircraft in the __________ axis. (B/2/1)

a. lateral or pitch
b. vertical or yaw
c. longitudinal or roll

A

c

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2
Q

Which of the following is not a part of the aileron control system? (B/2/2)

a. Left and right aileron
b. Bellcranks
c. TAD
d. Push-pull rods
e. Front and rear control sticks

A

c

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3
Q

The elevator controls aircraft movement around the lateral or pitch axis. (B/3/1)

a. True
b. False

A

True

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4
Q

What is the purpose of the bobweight located on the forward control stick? (B/3/2)

a. Provides for static balancing of the elevator
b. Provides a connection between the two control sticks
c. Enhances control feedback and helps prevent overstressing of the airframe
d. Mechanically limits the amount of elevator travel

A

c

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5
Q

The rudder controls aircraft movement around the vertical or yaw axis. (B/4/1)

a. True
b. False

A

True

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6
Q

Rudder pedal position is adjusted with a hand crank located on the __________. (B/4/2)

a. left console
b. lower portion of the center console
c. right side of the cockpit
d. upper portion of the center console

A

b

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7
Q

Which flight control electromechanical trim system(s) utilize movement of the actual primary control surface? (B/5/1)

a. Aileron
b. Elevator
c. Rudder
d. Flaps

A

a

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8
Q

In the event of conflicting aileron or elevator trim inputs from the front and rear cockpit, the front cockpit input will take priority. (B/5/2)

a. True
b. False

A

False

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9
Q

Visual indication of pitch, roll, and yaw trim can be found on the __________. (B/5/3)

a. triple trim indicator on the center instrument panel
b. trim annunciator system
c. TAD control panel on the center console
d. trim position indicators located on both trim control panels

A

d

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10
Q

A primary purpose of the TAD system is to assist the pilot __________. (B/6/1)

a. in maintaining roll trim
b. in maintaining pitch trim
c. by maintaining reduced control stick forces
d. in maintaining directional trim

A

d

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11
Q

The TAD computes input to the rudder trim system based on __________. (B/6/2)

a. engine torque, airspeed, altitude, and pitch rate
b. engine torque, rudder pedal control forces, and altitude
c. altitude, airspeed, pitch rate, and propeller RPM
d. engine torque, airspeed, altitude, and temperature

A

a

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12
Q

In addition to the TRIM OFF annunciator, actuating the trim interrupt button will also illuminate the __________ annunciator light. (B/6/3)

a. NO TRIM
b. TAD OFF
c. RUDDER INOP
d. ELEVATOR FAIL

A

b

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13
Q

What control surfaces are locked when the gust lock is engaged? (B/7/1)

a. Elevator
b. Rudder
c. Ailerons
d. All of the above

A

d

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14
Q

The primary aircraft flight controls consist of the

a. electromechanical trim system, TAD, ailerons, and rudder.
b. ailerons, Trim Aid Device, and elevator.
c. ailerons, elevator, and rudder.
d. control stick, PCL, and rudder pedals.

A

c

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15
Q

Which of the following best describes the function of the aircraft’s elevator?

a. The elevator system is used to cause movement around the longitudinal or roll axis.
b. The elevator system is used to cause movement in the lateral or pitch axis.
c. The elevator system is used to cause movement in the vertical or yaw axis.
d. The elevator system’s primary function is to assist the pilot in maintaining directional stability.

A

b

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16
Q

The aileron ground adjustable trim tabs are for maintenance use only and should not be tampered with by the aircrew.

a. True
b. False

A

True

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17
Q

Which statement best describes the purpose of the bobweight attached to the forward control stick?

a. Provides increased aileron sensitivity during high speed flight
b. Provides increased rudder authority during low altitude turns
c. Prevents aircraft overcontrolling by the Trim Aid Device
d. Provides higher stick forces as G-loading increases, helps prevent overstressing the airframe

A

d

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18
Q

Which of the following is not included in the rudder control system?

a. Centering springs
b. Cables
c. Bellcrank
d. Bobweight

A

d

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19
Q

Pilot control of aileron trim is accomplished by movement of an electromechanical trim tab installed on the right aileron.

a. True
b. False

A

false

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20
Q

The Trim Aid Device (TAD) computer relays trim input to the

a. elevator trim tab actuator.
b. rudder trim tab actuator.
c. rudder pedals.
d. aileron trim system.

A

b

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21
Q

The TAD maintains a takeoff trim setting until __________ KIAS and no weight on the wheels.

a. 40
b. 60
c. 80
d. 100

A

c

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22
Q

A green TAD OFF annunciator will illuminate when

a. there is an internal failure of the TAD system.
b. there is a failure of the rudder tab actuator.
c. the TRIM DISCONNECT switch is placed in the YAW CONNECT position.
d. the TRIM AID switch is set to off.

A

d

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23
Q

The flight control gust lock is used to

a. prevent aircraft overcontrol during gusty landing conditions.
b. lock the secondary flight control surfaces when parked.
c. lock the primary flight control surfaces when parked.
d. lock only the elevator and rudder when parked.

A

c

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24
Q

What are the four devices operated by the primary hydraulic system under normal operations? (B/1/1)

a. Landing gear/main gear doors, flaps, speed brake, and trim aid device
b. Landing gear/main gear inboard doors, flaps, speed brake, and nosewheel steering
c. Landing gear, flaps, speed brake, and flight controls
d. Landing gear, main gear inboard doors, flaps, speed brake, and lights

A

b

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25
Q

The hydraulic system and the return side of the power package reservoir are pressurized to which levels respectively? (B/1/2)

a. 2000 ±120 and 50 psi
b. 2000 ±120 and 60 psi
c. 3000 ±120 and 40 psi
d. 3000 ±120 and 50 psi

A

d

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26
Q

When you select a cockpit control to lower the flaps, which element of the primary hydraulic system is responsible for activating the corresponding actuator? (B/1/3)

a. Reservoir piston
b. Electrical selector valve
c. Main strut
d. Release valve

A

b

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27
Q

During the loss of engine power, the primary hydraulic system, or the battery bus, the emergency package will allow a one-time extension of__________. (B/2/1)

a. flaps, speed brake, and nosewheel steering
b. flaps, landing gear, and speed brake
c. flaps, landing gear and main gear inboard doors
d. flaps, landing gear and main gear inboard doors, and speed brake

A

c

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28
Q

The emergency package’s manifold contains which of the following? (B/2/2)

a. Two emergency extension selector valves
b. Two metal bellows compressing helium gas
c. Two actuators
d. 2000 psi emergency accumulator

A

a

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29
Q

What is the purpose of the pressure release valve in the emergency hydraulic system? (B/2/3)

a. To activate the actuators
b. To automatically release pressure should it reach 3500 psi
c. To prevent engine fires
d. To provide manual reduction in pressure in the emergency accumulator

A

b

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30
Q

When the EHYD PX LO annunciator illuminates, it means that emergency accumulator hydraulic pressure is below __________ ±150 psi. (B/2/4)

a. 1790
b. 1880
c. 2400
d. 3000

A

c

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31
Q

Which set of landing gear doors are operated hydraulically? (C/1/1)

a. The nosewheel doors
b. The main gear inboard and outboard doors
c. The main gear inboard doors
d. The main gear outboard doors

A

c

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32
Q

A red light illuminated in the landing gear selector handle indicates that the PCL is approaching IDLE, with the gear handle up, or which of the following? (C/2/1)

a. The landing gear doors are up and locked.
b. The landing gear doors are not closed.
c. The landing gear circuit breaker needs to be reset.
d. The landing gear is malfunctioning.

A

b

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33
Q

Before extending the landing gear, __________. (C/2/3)

a. activate the aural warning silence button
b. reduce airspeed below 150 KIAS
c. ensure at least 2000 psi is available
d. reduce airspeed below 120 KIAS

A

b

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34
Q

What is the function of the emergency landing gear extension handle? (C/3/1)

a. It releases hydraulic pressure once it reaches 3500 psi.
b. It activates the emergency system.
c. It closes the slide valve assembly.
d. It activates the accumulator piston.

A

b

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35
Q

What is the indication of gears down and locked and main gear doors in transit?

A

Three green lights + 2 red lights for the main gears.

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36
Q

The engine-driven pump pressurizes the hydraulic system to which of the following?

a. 1790 ±120 psi
b. 2000 ±120 psi
c. 3000 ±120 psi
d. 3600 ±120 psi

A

c

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37
Q

The primary hydraulic system operates which of the following?

a. Landing gear, main gear doors, flaps, and trim aid device
b. Landing gear, flaps, nosewheel steering, trim aid device, and speed brake
c. Landing gear, main gear inboard doors, flaps, nosewheel steering, and speed brake
d. Landing gear, flaps, speed brake, and wheel brakes

A

c

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38
Q

What is true about the power package reservoir?

a. It releases excess pressure at 1790 psi.
b. It is pressurized using compressed nitrogen gas.
c. It is pressurized using compressed helium gas.
d. A piston helps to step-down pressure to protect the pump.

A

d

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39
Q

The primary hydraulic system’s selector manifold contains which of the following?

a. Engine-driven pump
b. Electrical selector valves
c. Actuators
d. Reservoir piston

A

b

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40
Q

Two specific conditions in which the emergency hydraulic system is used are:

a. The pressure drops below 3000 psi, and you’re below 6000 feet
b. Loss of engine power or the primary hydraulic system fails
c. Loss of engine power and the airspeed is less than 120 knots
d. More than a 2-second drop in pressure, and altitude is less than 6000 feet

A

b

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41
Q

The emergency hydraulic system specifically operates which of the following?

a. Landing gear, flaps, and speed brake
b. Landing gear, main gear doors, speed brake, and flaps
c. Landing gear, main gear doors, nose gear doors, and flaps
d. Landing gear, main gear inboard doors, and flaps

A

d

42
Q

The emergency package receives its pressure from which of the following?

a. Directly from a nitrogen pre-charge in the reservoir
b. From the emergency accumulator
c. Directly from the reservoir piston
d. From the emergency selector valves

A

b

43
Q

Before lowering the gear using either the primary or emergency systems, ensure the

a. flaps are retracted.
b. airspeed is below 120 KIAS.
c. flap handle is in the LAND position and airspeed less than 120 KIAS.
d. airspeed is below 150 KIAS.

A

d

44
Q

The amber EHYD PX LO annunciator light means which of the following?

a. Pressure in the emergency accumulator is below 2400 psi ±150
b. Pressure in the reservoir is below 3000 ±120 psi
c. Pressure in the emergency package is below 2870 psi
d. Pressure in the emergency package is below 1 Qt

A

a

45
Q

The HYDR FL LO annunciator means which of the following?

a. Fluid level is below .5 Qt
b. Fluid level is below 1790 psi
c. Accumulator fluid level is below 1 Qt
d. Reservoir fluid level is below 1 Qt

A

d

46
Q

When the power package slide valve closes, the hydraulic pump pressure is prevented from energizing any hydraulic components except for the

a. main landing gear actuator.
b. nosewheel steering actuator.
c. flap actuator.
d. emergency selector manifold.

A

b

47
Q

What does using flaps in the landing setting allow you to do? (B/1/1)

a. Maintain approach glidepath while increasing airspeed
b. Decrease approach glidepath while maintaining airspeed
c. Decrease approach glidepath while increasing airspeed
d. Maintain approach glidepath while reducing airspeed

A

d

48
Q

What happens if the primary hydraulic system fails? (B/1/2)

a. The flaps cannot be used until they are serviced on the ground.
b. The electrical FLAPS CONT circuit breaker must be reset.
c. The flaps can be operated using the emergency system package.
d. The emergency system provides a one-time lowering and retraction of the flaps.

A

c

49
Q

Before operating the flaps using the emergency system, you must __________. (B/1/3)

a. check the flaps visually to find their position
b. increase your speed above 150 KIAS
c. check the annunciator panel for the BATTERY BUS indicator
d. lower the landing gear using the emergency system

A

d

50
Q

Which of the following is a critical limitation of the speed brake? (B/2/1)

a. The speed brake will only extend if the flaps are extended.
b. The speed brake does not operate using the emergency hydraulic system.
c. The speed brake extends automatically if the PCL is moved to the MAX position.
d. The speed brake’s actuator is a part of the selector manifold.

A

b

51
Q

Where does the pressure come from that creates the mechanical force to extend the speed brake? (B/2/2)

a. From the primary hydraulic system
b. From the emergency accumulator
c. From the turning of the torque tube
d. From the circuit breaker placarded SPEED BRAKE on the generator bus circuit breaker panel

A

a

52
Q

Which of the following is an important difference between using the NWS or differential braking? (B/3/1)

a. Differential braking results in a wider turn radius than NWS.
b. NWS is more sensitive than differential braking.
c. Differential braking should be avoided above 20 knots.
d. NWS provides a tighter turn radius than differential braking.

A

b

53
Q

What happens to NWS if the primary hydraulic system fails? (B/3/2)

a. The NWS receives its hydraulic pressure from the emergency accumulator.
b. The pilot must manually deselect NWS.
c. NWS sensitivity will increase because of differential pressure.
d. The NWS system will be inoperative and use of rudder and/or differential braking on the ground will be necessary.

A

d

54
Q

Which is true regarding the wheel brake system? (B/4/1)

a. If the hydraulic system fails, the parking brake must be used.
b. The wheel brakes are not serviced by the emergency system, and will not be available if the primary system fails.
c. The wheel brake system will continue to operate if the primary hydraulic system fails.
d. The wheel brake system shares the primary hydraulic system pressure lines.

A

c

55
Q

Which is the procedure for activating the parking brake? (B/4/2)

a. Pull and turn the handle 90° counterclockwise while pushing on the toe brakes.
b. Push and turn the handle 90° clockwise while pushing on the toe brakes.
c. Pull the handle while pushing on the toe brakes.
d. Pull and turn the handle 90° clockwise while pushing on the toe brakes.

A

d

56
Q

Which is true regarding the nosewheel steering system?

a. NWS has only one actuator in the manifold.
b. The emergency system provides pressure to NWS through the alternate hydraulic lines.
c. The NWS is separate from the selector manifold.
d. NWS has two actuators in the manifold.

A

c

57
Q

Which is true regarding the NWS and emergency systems?

a. The emergency system powers the NWS through the accumulator.
b. The NWS will not operate if the primary hydraulic system fails.
c. Differential braking will not work if the primary hydraulic system fails.
d. The emergency system powers the NWS through the selector control valve.

A

b

58
Q

Which component specifically ensures the nosewheel is properly aligned before it is retracted or extended?

a. Selector valve
b. Centering valve
c. Servo valve
d. Rotary actuator

A

b

59
Q

Engaging NWS at high speeds can result in

a. directional control problems due to increased sensitivity.
b. damage to the nosewheel steering actuator.
c. damage to the nosewheel steering centering valve.
d. the speed brake automatically extending, slowing the aircraft down.

A

a

60
Q

What are the functions of the speed brake?

a. Reduce drag and reduce lift
b. Decelerate, and increase descent rate without increasing airspeed
c. Increase drag and accelerate
d. Increase true airspeed while reducing induced and parasite drag

A

b

61
Q

Which is true regarding the speed brake?

a. It will not operate using the emergency system.
b. It extends only partially using the emergency system.
c. It extends but will not retract using the emergency system.
d. It will remain extended until the PCL is moved to IDLE.

A

a

62
Q

Which of the following will not cause the speed brake to retract?

a. The PCL is moved to MAX.
b. The flaps are extended.
c. The speed brake switch is moved forward.
d. The gear is retracted.

A

d

63
Q

If the flap indicator fails, how can flap extension be confirmed?

a. Observing a slight nose down tendency
b. Observing a slight nose up tendency
c. The pilot must visually confirm the flap position
d. By using the hydraulic pressure gauge

A

b

64
Q

Which statement below is correct regarding flap operations?

a. Normal flap operation is available when the battery bus has failed.
b. The flap position indicator will function normally when the battery bus has failed.
c. Emergency flap operation is not available when the auxiliary battery is the only source of electrical power.
d. Emergency flap operation is available when the auxiliary battery is the only source of electrical power.

A

c

65
Q

Which is true regarding the parking brake?

a. The parking brake will not operate if the hydraulic system fails.
b. It is activated by first pulling and turning the handle 90° clockwise or counterclockwise.
c. The parking brake will operate partially using the emergency system.
d. The parking brake is applied by pushing on the toe brakes while simultaneously activating the handle.

A

d

66
Q

Before lowering the flaps, you should ensure your airspeed is less than which value?

a. 120 KIAS
b. 138 KIAS
c. 147 KIAS
d. 150 KIAS

A

d

67
Q

Which component is responsible for sending pressure to the main wheel brakes?

a. Selector valve
b. Reservoir
c. Master cylinder
d. Solenoid valve

A

c

68
Q

The __________ is/are interconnected with the elevator trim tab actuator to automatically input pitch trim to compensate for pitch effects as it is operated.

a. landing gear
b. flaps
c. rudder
d. speed brake

A

d

69
Q

What are the aileron trailing edge traveling limits?

A

a. 20º up

b. 11º down

70
Q

How are the ailerons mass balanced and what function does this perform?

A

Small weights are placed along the leading edge at the point where the ailerons pivot. These weights ensure the center of gravity for each aileron is at the pivot point. This is necessary because the mass of each aileron is rearward of the hinge line.

71
Q

What is the function of the bobweight?

A

a. Provides heavier stick force when G-load is increasing

b. Helps prevent overstressing of aircraft frame

72
Q

Which primary flight control surface actually moves as part of the trim system?

A

The ailerons

73
Q

What is the function of the trim disconnect switch?

A

It removes power from the trim system and disengages the Trim Aid Device.

74
Q

What are the indications the trim disconnect switch has been selected?

A

The green TRIM OFF and TAD OFF annunciator lights will illuminate.

75
Q

How is electrical power provided to operate the aileron and elevator trim system?

A

Through a circuit breaker placarded AIL/EL TRIM located on the battery bus breaker panel in the front cockpit

76
Q

If the gust lock is installed properly, how will the control surfaces appear when they are visually inspected?

A

The ailerons and rudder will be in a neutral position and the elevator will be in a nose-down position.

77
Q

What component is the source of pressure for the primary hydraulic system?

A

The engine-driven hydraulic pump

78
Q

What gauge color indicates hydraulic pressure is in the extended scale, but within safe operating limits?

A

White

79
Q

What is the purpose of the emergency hydraulic system?

A

It provides a one-time lowering of the landing gear, main gear inboard doors, and flaps.

80
Q

When is the emergency landing gear extension system used?

A

Loss of either primary hydraulic system or battery bus power, or in the event of an engine failure

81
Q

What is the normal sequence for the emergency extension of the landing gear?

A

a. Lower the landing gear selector handle

b. Pull the emergency landing gear extension handle

82
Q

Can the flaps be operated in the event the primary hydraulic system fails?

A

Yes, after the landing gear has been lowered using the emergency system.

83
Q

What is the purpose of the speed brake?

A

The speed brake allows you to decelerate. It also allows you to increase descent rate without increasing your airspeed.

84
Q

Where is the SPEED BRAKE circuit breaker located?

A

On the front cockpit generator bus circuit breaker panel

85
Q

What can happen if NWS is engaged at high taxi speeds?

A

It can result in directional control problems due to increased sensitivity.

86
Q

Which has the larger turn radius, nosewheel steering or differential braking?

A

Nosewheel steering

87
Q

What are the indications of abnormal primary flight control operations?

A

a. Uncommanded pitch, roll, or yaw movements

b. Sluggish response to control inputs

88
Q

What is the corrective action to take in the case of runaway trim?

A

Perform runaway trim checklist procedures

89
Q

If the EHYD PX LO illuminates, what aircraft devices should you consider inoperative?

A

Emergency landing gear and flap extension

90
Q

What are some indications of unsafe landing gear?

A

a. Indicator lights
b. Lack of noticeable drag
c. Lack of noticeable noise
d. AOA indexer not active
e. Inability to turn on landing or taxi lights
f. Tendency to roll (main gear)

91
Q

What indicator lights would illuminate with the main landing gear full down, the nose gear still fully retracted, and the PCL above IDLE?

A

Two green mains, two red mains, red gear handle light

92
Q

When lowering flaps using the emergency system, what two conditions might result?

A

The flaps might extend only partially and they can take longer to extend.

93
Q

What are the indications of wheel brake failure?

A

a. Inability to maintain directional control
b. Inability to decelerate
c. “Spongy” or soft brake pedal
d. The aircraft pulls to one side

94
Q

When extending the landing gear, which gear door ultimately closes as part of the extension sequence?

A

The main gear inboard doors

95
Q

What does the red light in the landing gear selector handle indicate when illuminated?

A

The gear doors are not closed, or the PCL is approaching IDLE with the gear handle UP.

96
Q

What happens to the nose wheel steering if the hydraulic system fails?

A

NWS will not operate - it is serviced by the primary hydraulic system.

97
Q

What happens to the speed brake if the hydraulic system fails?

A

It will not function.

98
Q

The flaps should not be operated above which airspeed?

A

150 KIAS

99
Q

When completing a sharp turn, how should the NSW be used?

A

Disengage the NWS - use differential braking. The NWS will limit your turn radius.

100
Q

What causes the EHYD PX LO annunciator light to illuminate?

A

2.400 ± 150 PSI

101
Q

Will you have the use of the speed brake with the emergency hydraulic system?

A

No - only gear, main gear inboard doors and flaps.

102
Q

Can you expect to use the wheel brakes if operating with a failure of the primary hydraulic system?

A

Yes, because the wheel brake system is separate from the primary and emergency hydraulic systems.

Flight questions (27 decks)

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