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UAL 737 NG Systems > Flight Controls > Flashcards

Flight Controls Flashcards

1
Q

What is the maximum flap extension altitude?

A

20,000 ft.

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2
Q

Do not deploy the speed brakes in flight at radio altitudes less than _________.

A

1,000 feet

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3
Q

_____________ hydraulic system is capable of providing full power control to the ailerons.

A

Either

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4
Q

In the event of total hydraulic power failure, rotation of the pilots’ controls wheels _________ positions the ailerons.

A

mechanically

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5
Q

If the spoiler system is jammed, force applied to the _____ control wheel provides roll control from the ailerons.

A

Captain’s

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6
Q

If the aileron system is jammed, force applied to the _____ control wheel provides roll control from the spoilers.

A

First Officer’s

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7
Q

Any ______ trim applied when the autopilot is engaged can result in an out of trim condition and an abrupt ________ movement when the autopilot is disconnected.

A

aileron; rolling

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8
Q

The flight spoilers rise on the wing with the up aileron and remain faired on the wing with the down aileron. When the control wheel is displaced more than approximately ____, spoiler deflection is initiated.

A

10 degrees

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9
Q

Where is the aileron trim indicator located?

A

on top of the control wheel

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10
Q

__________ Aileron Trim Switch(es) repositions the aileron neutral control position.

A

Movement of both

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11
Q

The pitch control surfaces consist of _______ powered elevators and an _______ powered stabilizer.

A

hydraulically; electrically

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12
Q

In the event of a control column jam, an override mechanism allows ___________.

A

the control columns to be physically separated

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13
Q

Illumination of the FEEL DIFF PRESS light indicates _______.

A

excessive differential hydraulic pressure is sensed in the elevator feel computer

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14
Q

Engagement and disengagement of the Mach Trim System is accomplished _____________.

A

automatically as a function of airspeed

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15
Q

What has occurred when the MACH TRIM FAIL light is illuminated only when the Master Caution Annunciator recall is activated?

A

a single channel failure of the mach trim system

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16
Q

The Elevator Feel Shift module increases hydraulic system A pressure to the elevator feel and centering unit during a stall. This increases _________ force to approximately four times normal feel pressure.

A

forward control column

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17
Q

The main electric and autopilot stabilizer trim have two modes: high speed with flaps _________ and low speed with flaps _________.

A

extended; retracted

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18
Q

If the autopilot is engaged, actuating either pair of stabilizer trim switches ______________.

A

automatically disengages the autopilot

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19
Q

___________ if takeoff is attempted with the stabilizer trim outside the takeoff trim range.

A

An intermittent horn sounds

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20
Q

If manual trim is used to position the stabilizer beyond the electrical trim limits, _______________ may be used to return the stabilizer to electrical trim units.

A

the stabilizer trim switches

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21
Q

The stabilizer trim main electric cutout switch and the stabilizer trim autopilot cutout switch are provided to allow the autopilot or main electrical trim inputs to be ____________________.

A

disconnected from the single stabilizer trim motor

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22
Q

When control column movement opposes trim direction, what occurs?

A

The control column actuated stabilizer trim cutout switches stop operation of the main electric and autopilot trim

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23
Q

Placing the STAB TRIM override switch to OVERRIDE ____________.

A

electric trim can be used regardless of control column position

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24
Q

The speed trim system (STS) is a speed stability augmentation system designed to improve flight characteristics during operations with a low gross weight, aft center of gravity, and high thrust when the autopilot _______ engaged.

A

is not

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25
Q

While inflight the SPEED TRIM FAIL light illuminates. What has occurred?

A

a dual channel failure of the speed trim system

26
Q

___________ operates the rudder.

A

Either hydraulic system

27
Q

Operation of the Rudder Trim Control switch electrically repositions the _______________, which results in a shift in the rudder neutral position

A

rudder feel and centering unit

28
Q

__________ movement results from yaw damper coordination

A

No rudder pedal

29
Q

On the B737-800, the yaw damper uses _____________.

A

hydraulic system B or standby hydraulic system pressure

30
Q

Above approximately 135 knots, both hydraulic system A and B pressure are each reduced. This function limits full rudder authority _____________,.

A

in flight after takeoff and before landing

31
Q

The rudder pedals permit limited nose gear steering up to ______ degrees each side of center.

A

7

32
Q

The Rudder Trim OFF Flag indicates the rudder trim __________.

A

indicator is inoperative

33
Q

Rotating the rudder trim control knob, __________.

A

electrically trims the rudder

34
Q

The ground spoilers are powered by hydraulic system _____.

A

A

35
Q

When the SPEED BRAKE lever is actuated all the spoilers __________.

A

extend on the ground and only the flight spoilers extend when the aircraft is in the air

36
Q

Using the flight spoilers during a turn will ___________.

A

greatly increase the roll rate

37
Q

All flight and ground spoilers will automatically rise to full extend on landing if the speed brake lever is in the ARMED position and __________.

A

both thrust levers are at IDLE

38
Q

An illuminated SPEED BRAKE DO NOT ARM light indicates ___________.

A

an abnormal condition or during landing the wheel speed has dropped below 60kts and the speed brake lever is not in the down position

39
Q

The _______ position indicates all flight spoilers are extended to their maximum position for inflight use, while the ________ indicates all flight and ground spoilers are extended to their maximum position for ground use.

A

FLIGHT DETENT; UP

40
Q

An illuminated SPEED BRAKE ARMED light indicates ___________.

A

valid automatic speed brake system inputs

41
Q

In the event of hydraulic system B failure, the trailing edge flaps ___________.

A

can be operated electrically

42
Q

____________ is provided through the alternate (electrical) flap drive system.

A

No asymmetry or skew protection

43
Q

The Flaps/Slats Electronic Unit (FSEU) monitors trailing edge flaps for _______________. If the FSEU detects a trailing edge problem, it_______ the trailing edge flap bypass valve.

A

asymmetry and skew conditions; closes

44
Q

On the B737-800, the TE flap load relief function protects the flaps from excessive air loads. When the flaps are set to 40 the TE flaps will _______ if airspeed exceeds 163 knots.

A

retract to 30

45
Q

The FLAP Lever _______.

A

all answers are correct
() selects position of flap control valve, direction hydraulic pressure for flap drive unit, and selects the position of the LE devices by the determined TE flap position
() at flap positions 30 and 40 arms the flap load relief system

46
Q

Why are there mechanical Flap Gates positioned at 1 and 15?

A

for single engine and normal go-around

47
Q

Where would a TE flaps asymmetry or skew indication be seen?

A

The Flap Position Indicator

48
Q

Leading edge devices are normally extended and retracted by ___________.

A

hydraulic power from system B

49
Q

Leading edge devices _______ be retracted by the standby hydraulic system.

A

cannot

50
Q

At flaps 1, the Auto Slat system _____________ as the aircraft approaches the stall condition.

A

automatically drives the slats to FULL EXTEND

51
Q

On the Leading Edge Devices (LE DEVICES) Annunciator Panel, located on the aft overhead panel, an extinguished LE light indicates ______.

A

the related LE device is retracted

52
Q

On the Leading Edge Devices (LE DEVICES) Annunciator Panel, located on the aft overhead panel, pressing the Leading Edge Annunciator Panel TEST switch _________.

A

tests all annunciator panel lights

53
Q

An illuminated amber Leading Edge Devices Transit (LE FLAP TRANSIT) Light, indicates _________.

A

() all answers are correct
() any LE device is in transit, or is not in its programmed position with respect to the trailing edge flaps
() a LE slat skew condition exists

54
Q

An illuminated green Leading Edge Devices Extended (LE FLAPS EXT) Light, indicates _________.

A

all leading flaps are extended

55
Q

The Flight SPOILER switches

A

are used for maintenance purposes only

56
Q

An illuminated amber YAW DAMPER Light indicates _________.

A

the yaw damper is not engaged

57
Q

With the YAW DAMPER Switch ON, the yaw damper is engaged to the main rudder power control unit if ___________________.

A

the B FLT CONTROL switch is in the ON position

58
Q

Placing the ALTERNATE FLAPS Master Switch to ARM, closes the TE flap bypass valve, ________________ and arms the ALTERNATE FLAPS position switch

A

activates the standby pump

59
Q

Momentarily pressing the ALTERNATE FLAPS position switch to DOWN ________________.

A

fully extends LE devices using standby hydraulic pressure

60
Q

An illuminated amber Speed Trim Failure (SPEED TRIM FAIL) Light indicates ________________.

A

a failure of the speed trim system

61
Q

An illuminated amber Automatic Slat Failure (AUTO SLAT FAIL) Light during MASTER CAUTION recall indicates ________________.

A

a failure of a single Stall Management / Yaw Damper computer

62
Q

An illuminated amber STBY RUD ON Light indicates ________________.

A

the standby rudder system is commanded on to pressurize the standby rudder power control unit

UAL 737 NG Systems (15 decks)

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