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737 > Flight Controls > Flashcards

Flight Controls Flashcards

1
Q

What powers or operates the ailerons and elevators

A

A & B hydraulics, then manual reversion

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2
Q

CONDITiON: An attempt to bank the aircraft to the left results in no lateral movement of the wings. Which statement best describes the problem and a solution

A

Ailerons jammed; 1st Officer controls roll with spoilers

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3
Q

Which answer is correct regarding elevator feel system operation

A

Operates with either “A” or “B” system pressure available

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4
Q

What does an illuminated elevator FEEL DIFF PRESS light indicate

A

Excessive differential pressure is sensed by the elevator feel computer with the flaps up

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5
Q

Which statement is correct for mach trim system operation

A

Operates automatically above .615 mach and moves the elevator

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6
Q

How is a mach trim system, single channel failure indicated

A

MACH TRIM FAIL light, FLT CONT annunciator and MASTER CAUTION lights come on when recall is activated

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7
Q

Which statement is correct for the stabilizer trim system

A

Main electric trim speed is faster with flaps extended

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8
Q

What is the function of the STAB TRIM CUTOUT switches(500)

A

Shuts off autopilot and main electric trim motors

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9
Q

What action is requires to stop a runaway stabilizer trim

A

Move control column in opposite direction of runaway trim to remove power from both autopilot and main electric trim motors

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10
Q

Which statement contains some of the conditions necessary for the automatic speed trim system to function

A

During low speed flight, at a low gross weight, and with an aft CG, it used the autopilot stab trim to trim the aircraft

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11
Q

What indicates to the crew that the speed trim system is operating

A

Stabilizer trim wheel rotates at autopilot stab trim speed with the autopilot not engaged

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12
Q

How is a dual channel speed trim failure indicated

A

SPEED TRIM FAIL, FLT CONT annunciator, and mASTER CAUtIoN lights illuminate

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13
Q

Which answer best describes the operation of the rudder

A

Powered by either “A” ,”B”, or Standby hydraulic systems

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14
Q

Which statement is correct regarding the aileron and rudder trim systems

A

Both Hydraulic and Electrical power are required for each system to trim the aircraft

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15
Q

When is the Wheel to Rudder Interconnect System (WTRIS) used(7,8,9)

A

Manual reversion, only available when both FLT CONTROL switches are positioned to SBY RUD and the YAW DAMPER switch has been reset to ON

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16
Q

Which statement regarding the yaw damper system is correct

A

Uses “B” hydraulic system pressure and provides rudder deflection commands and turn coordination

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17
Q

Which actions trip the YAW DAMPER switch to the OFF position

A

“B” FLT CONTROL switch placed to OFF or SBY RUD

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18
Q

What is the hydraulic power source for the ground spoilers

A

“A” system for both inboard and outboard ground spoilers

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19
Q

Which action causes the flight spoilers to deploy at touchdown with the speed brake lever ARMED

A

Wheel spin- up occurs on any two main wheels

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20
Q

What occurs after touchdown when all spoiler panels are deployed and either throttle is advanced

A

The SPEED BRAKE lever automatically moves to the down detent and all Ground and Flight spoilers retract

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21
Q

All spoiler panels extend when a takeoff is rejected above 60 kts and

A

The reverse thrust levers are positioned to reverse thrust

22
Q

What does an illuminated SPEED BRAKE ARMED light indicate

A

Speed brake lever is selected to ARMED with valid system inputs

23
Q

When approaching a stall angle of attack, what does the autoslat system provide

A

Automatic slat extension to the “full extend” position with trailing edge flaps at the 1 through 5 positions

24
Q

When is the Power Transfer Unit (PTU) activated with flaps 1 through 5 selected

A

Loss of system “B” engine driven pump pressure

25
Q

How does the Power Transfer Unit provide power for the autoslat system

A

Allows system “A” pressure to power a hydraulic pump which pressurizes system “ B” fluid

26
Q

What is the max altitude for flap extension

A

20000 ft

27
Q

Which statement is correct for operation of the alternate flap system

A

No asymmetry protection is provided and LE devices cannot be retracted

28
Q

With an amber LE TRANSIT light on ( normal conditions), which other light(s) will illuminate on the forward panels

A

None

29
Q

At cruise, what does an illuminated AUTO SLAT FAIL light, MaSTER CAUTION light, and FLT CONT light indicate(No Recall)

A

A dual channel autoslat computer failure

30
Q

What occurs when the alternate flap position switch is held in the down position with the ALTERNATE FLAPS master switch in the ARM position

A

Electric motor extends trailing edge flaps, and the leading edge control valve opens to hydraulically extend the leading edge devices

31
Q

Speedbrakes inflight

A

Should not be deployed at RA less than 1000’ nor with flaps extended beyond 15 degrees

32
Q

With the loss of hydraulic system A and the FEESl DIFF PRESS light illuminated, the elevator feel system is still operative

A

False

33
Q

With normal hydraulic system pressure indications, placing either FLT COnTROL switch to the SBY RUD position, should cause the respective flight control LOW PRESSURE light to illuminate, the extinguish

A

True

34
Q

The takeoff config warning horn will sound if a takeoff is attempted with the speed brake lever in the SPEED BRAKE ARMED position

A

True

35
Q

With the flaps set at 5 for takeoff, which leading edge annunciator will be illuminated on the center instrument panel

A

LE FLAPS EXT

36
Q

With the SPEED BRAKE DO NOT ARM light illuminated before landing, the speed brake lever should be manually moved to _____ after touchdown

A

Up (all the way back)

37
Q

The Yaw Damper uses(500)

A

“B” system hydraulic pressure only

38
Q

When the leading edge devices are extended with the ALTERNATE FLAPS Position Switch, the LE slats extend to FULL EXT regardless of TE flap position

A

True

39
Q

The MACH TRIm FAIL light, in conjunction with the MASTSeSr CAUTIOn and the System Annunciator FLT CONT light, illuminate if a dual channel failure of the Mach trim occurs

A

True

40
Q

What function does the flap load limiter system provide(500)

A

It causes the flaps to move from 40 degrees to 30 degrees in event of excessive airspeed

41
Q

With the hydraulic A system flight control switch in STBY RUD

A

The Standby hydraulic pump is activated

42
Q

The trailing edge flaps are at 15 degrees. The correct indication on the aft overhead panel for the leading edge devices is

A

Leading edge devices( slats) FULL EXT lights are illuminated green

43
Q

Duty cycle for alternate flap extension to greater than 15 degrees and back to 0 degrees is(one cycle is down and back up)

A

1 cycle - 25 minutes off

44
Q

Speed brakes should not be used with flaps greater than 15

A

True

45
Q

The elevator FEEL DIFFERENTIAL PRESSURE light is inhibited when

A

The flaps are extended

46
Q

A trailing edge assymetry is sensed

A

In the trailing edge flap position indicator

47
Q

The ground spoilers are powered by the “A” hydraulic system and

A

Can only be powered by the “A” hydraulic sustem

48
Q

The FLAP INHIBIT position of the GPWS switch

A

Cancels an alert for landing with flaps less than 30 degrees

49
Q

The trailing edge flaps are normally operated by

A

The “B” hydraulic system

50
Q

When does the 800 Wheel to Rudder Interconnect System begin to operate

A

Manual reversion

Avail only when both FLT CONTROL switches are positioned to SBY RUD and the YAW DAMPER switch has been reset to ON

737 (17 decks)

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