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UAL 737NG Systems (pitu) > Flight Controls > Flashcards

Flight Controls Flashcards

1
Q

What is the maximum flap extension altitude?

A

20.000ft

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2
Q

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

A

1000ft

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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

FO`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 deg

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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 during landing the wheel speed has dropped below 60kt 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 assymetry 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

assymetry and skew condition; 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

  • select 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 position 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 devives 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 announciator panel light

53
Q

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

A

all answers are correct

  • any LE devices 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 edge 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 737NG Systems (pitu) (15 decks)

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