B737 System Validation Question Bank – Flight Controls R1

Front 1

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Back 1

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Front 2

1. 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
b. Ailerons jammed; Captain controls roll with spoilers
c. Spoilers jammed; 1st Officer controls roll with ailerons

Back 2

a. Ailerons jammed; 1st Officer controls roll with spoilers

Front 3

2. Which answer is correct regarding elevator feel system operation?
a. Pressure is required from both “A” and “6” systems for operation
b. Operates with either “A” or “B” system pressure available
c. Operates normally if Standby pressure is available when “A” and “6” system pressure is lost

Back 3

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

Front 4

3. 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
b. Flaps are out of up position with no differential pressure in the elevator feel computer
c. Flaps are not up with excessive pressure in the elevator feel computer

Back 4

a. Excessive differential pressure is sensed by the elevator feel computer with the flaps UP

Front 5

4. Which statement is correct for mach trim system operation?
a. Operates above .615 mach and moves the stabilizer
b. Operates automatically above .615 mach and moves the elevator
c. The Mach is limited to .83 when the system is inoperative

Back 5

b. Operates automatically above .615 mach and moves the elevator

Front 6

5. How is a mach trim system, single channel failure indicated?
a. MACH TRIM FAIL, STAB OUT OF TRIM, and MASTER CAUTION lights illuminate
b. MACH TRIM FAIL light, FLT CONT annunciator and MASTER CAUTION lights come on when recall is activated
c. MACH TRIM FAIL light, FLT CONT annunciator, and MASTER CAUTION lights illuminate

Back 6

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

Front 7

6. Which statement is correct for the stabilizer trim system?
a. Main electric trim speed is faster with flaps extended
b. Main electric trim speed is slower with flaps extended
c. Main electric trim speed is the same with flaps up or down

Back 7

a. Main electric trim speed is faster with flaps extended

Front 8

7. What is the function of the STAB TRIM CUTOUT switches? (300/500)
a. Disengages stab trim brake and trim motors
b. Shuts off autopilot and main electric trim motors
c. Shutoff respective hydraulic power to trim motors

Back 8

b. Shuts off autopilot and main electric trim motors

Front 9

8. What action is required to stop a runaway stabilizer trim?
a. Push control column in the same direction of runaway trim to engage a mechanical brake at the base of control column
b. Place the COLUMN ACUATED STAB TRIM SWITCH to OVERRIDE to remove power from both trim motors
c. Move control column in opposite direction of runaway trim to remove power from both autopilot and main electric trim motors

Back 9

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

Front 10

9. 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 CG it uses the autopilot stab trim to trim the aircraft
b. As airspeed increases above 250 kts, it uses the elevator trim to trim APL NOSE DOWN
c. During approaches as airspeed decreases below 158 kts, it uses the main electric stab trim to trim the APL NOSE UP

Back 10

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

Front 11

10. What indicates to the crew that the speed trim system is operating?
a. Main electric trim light illuminates and stabilizer trim wheel rotates
b. Stabilizer trim wheel rotates at autopilot stab trim speed with the autopilot not engaged
c. STAB OUT OF TRIM illuminates and stabilizer trim wheel rotates

Back 11

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

Front 12

11. How is dual channel speed trim failure indicated?
a. SPEED TRIM FAIL, STAB OUT OF TRIM, FLT CONT annunciator, and MASTER CAUTION lights illuminate
b. SPEED TRIM FAIL light comes on when the master caution annunciator recall is activated.
c. SPEED TRIM FAIL, FLT CONT annunciator and MASTER CAUTION light illuminate

Back 12

c. SPEED TRIM FAIL, FLT CONT annunciator and MASTER CAUTION light illuminate

Front 13

12. Which answer best describes the operation of the rudder?
a. Powered by either “A”, “B”, or Standby hydraulic system
b. Powered by either “A”, “B”, Standby hydraulic system, or manual reversion
c. Powered by “A” or “B” system only

Back 13

a. Powered by either “A”, “B”, or Standby hydraulic system

Front 14

13. Which statement is correct regarding the aileron and rudder trim systems?
a. Only Hydraulic power is required for each system to trim the aircraft
b. Manual or Electrical power may be used for each system to trim the aircraft
c. Both Hydraulic and Electrical power are required for each system to trim the aircraft

Back 14

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

Front 15

14. Which statement is correct regarding the operation of the Rudder Pressure Reducer (RPR) system above 1000’ RA after takeoff?
a. System “A” pressure to the rudder is reduced to 1000 PSI
b. System “A” hydraulic pressure to the rudder is shut off in flight
c. System “B” pressure to the rudder is reduced to 700 PSI

Back 15

a. System “A” pressure to the rudder is reduced to 1000 PSI

Front 16

15. Which statement regarding the yaw damper system is correct?
a. Uses “A” hydraulic system pressure but does not provide turn coordination
b. Uses “A” or “B” hydraulic system pressure and provides turn coordination
c. Uses “B” hydraulic system pressure and provides rudder deflection commands and turn coordination

Back 16

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

Front 17

16. Which actions trip the YAW DAMPER switch to the OFF position?
a. “A” FLT CONTROL switch placed to ON
b. Loss of “A” hydraulic pressure
c. Loss of “B” hydraulic pressure

Back 17

b. Loss of “A” hydraulic pressure

Front 18

17. What is the hydraulic power source for the ground spoilers?
a. “A” system for both inboard and outboard ground spoilers
b. “A” system for inboard ground spoilers, “B” system for outboard ground spoilers
c. “B” system for both inboard and outboard ground spoilers

Back 18

a. “A” system for both inboard and outboard ground spoilers

Front 19

18. Which action causes the flight spoilers to deploy at touchdown with the speed break lever ARMED?
a. Radio altitude is zero
b. Airspeed below 100 knots
c. Nosewheel strut compresses
d. Wheel spin-up occurs on any two main wheels

Back 19

d. Wheel spin-up occurs on any two main wheels

Front 20

19. 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
b. Ground spoilers retract automatically Flight spoilers retract with go-around flap selection
c. Ground spoilers retract when air mode is engaged and Flight spoilers retract automatically

Back 20

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

Front 21

20. All spoiler panels extend when a takeoff is rejected above 60 knots and ___________.
a. The forward thrust levers are positioned to idle
b. Either forward thrust lever is positioned to idle
c. The reverse thrust levers are positioned to reverse thrust

Back 21

c. The reverse thrust levers are positioned to reverse thrust

Front 22

21. What does an illuminated green SPEED BRAKE ARMED light indicate?
a. Speed brake lever is in the DOWN detent with valid system inputs
b. Speed brake lever is selected to FLIGHT DETENT with invalid system inputs
c. Speed brake lever is selected to ARMED with valid system inputs

Back 22

c. Speed brake lever is selected to ARMED with valid system inputs

Front 23

22. 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
b. Automatic slat extension to the “full extend” position with trailing edge flaps retracted
c. All trailing edge devices drive to the “full extend” position with leading edge flaps 1 through 5 selected

Back 23

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

Front 24

23. When is the Power Transfer Unit (PTU) activated with flaps 1 through 5 selected?
a. Loss of system “A” pressure
b. Loss of system “B” engine driven pump pressure
c. Loss of Standby system pressure

Back 24

b. Loss of system “B” engine driven pump pressure

Front 25

24. 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
b. Allows the Standby system to power a hydraulic pump which pressurizes system “B” fluid
c. System “B” pressure powers a hydraulic pump which pressurizes system “A” fluid

Back 25

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

Front 26

25. What is the maximum altitude for flap extension?
a. 25,000 feet
b. 20,000 feet
c. 18,000 feet

Back 26

b. 20,000 feet

Front 27

26. Which statement is correct for operation of the alternate flap system?
a. Asymmetry protection is provided, LE devices cannot be retracted
b. No asymmetry protection is provided and LE devices cannot be retracted
c. No asymmetry protection is provided and TE flaps and LE devices may be retracted

Back 27

b. No asymmetry protection is provided and LE devices cannot be retracted

Front 28

27. When are the LE slats in the EXTEND position?
a. Trailing edge flaps are in the 1 through 5 position
b. Trailing edge flaps are in the 1 through 10 position
c. Trailing edge flaps are in the 1 through 15 position

Back 28

a. Trailing edge flaps are in the 1 through 5 position

Front 29

28. With an amber LE TRANSIT light on (normal conditions), which other light(s) will illuminate on the forward panels?
a. LE FLAPS TRANSIT, MASTER CAUTION & FLT CONT annunciator
b. LE FLAPS EXT, MASTER CAUTION & FLT CONT annunciator
c. None

Back 29

c. None

Front 30

29. At cruise, what does an illuminated AUTO SLAT FAIL light, MASTER CAUTION light, and FLT CONT light indicate? (NO RECALL)
a. A single channel autoslat computer failure
b. A dual channel autoslat computer failure
c. Slats have failed to extend to the commanded position

Back 30

b. A dual channel autoslat computer failure

Front 31

30. 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
b. Standby hydraulic pump is energized, the electric motor extends trailing edge flaps and leading edge devices
c. Standby hydraulic pump is energized, and the leading and trailing edge devices are hydraulically extended

Back 31

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

Front 32

31. Speedbrakes inflight ______________.
a. Should not be deployed at RA less than 1000 nor with flaps extended beyond 15 degrees
b. Should not be deployed at less than 2000 feet RA nor with more than 15 degree flaps
c. Should not be deployed at less than 2000 feet RA nor with less than 15 degree flaps

Back 32

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

Front 33

32. What is the Mach limit with both channels of the Mach Trim system failed?
a. .640
b. .715
c. .740
d. .815

Back 33

c. .740

Front 34

33. If the loss of hydraulic system “A” and the FEEL DIFF PRESS light illuminated, the elevator feel system is still operative.
a. True
b. False

Back 34

a. True

Front 35

34. With normal hydraulic system pressure indications, placing either FLT CONTROL switch to the STBY RUD position, should cause the respective flight control LOW PRESSURE light to illuminate, then extinguish.
a. True
b. False

Back 35

a. True

Front 36

35. The takeoff configuration warning horn will sound if a takeoff is attempted with speed brake lever in the SPEED BRAKE ARMED position.
a. True
b. False

Back 36

a. True

Front 37

36. With the flaps set at “5” for takeoff, which leading edge annunciator will be illumined on the center instrument panel?
a. LE FLAPS TRANSIT
b. LE FLAPS FULL EXT
c. LE FLAPS EXT

Back 37

c. LE FLAPS EXT

Front 38

37. With the SPEED BRAKE DO NOT ARM light illuminated before landing, the speed brake lever should be manually moved to ______ after touchdown.
a. Armed
b. Flight Detent (part way back)
c. Either Armed, or Flight Detent
d. Up (all the way back)

Back 38

d. Up (all the way back)

Front 39

38. The Yaw Damper uses:
a. “A” system hydraulic pressure only
b. “B” system hydraulic pressure only
c. Standby system hydraulic pressure and electrical power
d. Any one of the hydraulic systems

Back 39

b. “B” system hydraulic pressure only

Front 40

39. 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
b. False

Back 40

a. True

Front 41

40. The MACH TRIM FAIL light, in conjunction with the MASTER CAUTION and the System Annunciator FLT CONT light, illuminate if a dual channel failure of the Mach trim occurs.
a. True
b. False

Back 41

a. True

Front 42

41. What function does the flap load limiter system provide? (300/500)
a. It causes the flap lever to move
b. It cause the flaps to move from 30 degrees to 40 degrees at the high angles of attack
c. It cause the flaps to move from 40 degrees to 30 degrees in event of excessive airspeed
d. It is made up of the LE flaps to provide additional lift at stall

Back 42

c. It cause the flaps to move from 40 degrees to 30 degrees in event of excessive airspeed

Front 43

42. With the hydraulic A system flight control switch in STBY RUD:
a. The Power Transfer Unit is armed
b. The elevator FEEL DIFF PRESS light will not come on
c. The Standby hydraulic pump is activated
d. Hydraulic pressure to all flight controls is shut off

Back 43

c. The Standby hydraulic pump is activated

Front 44

43. The trailing edge flaps are at 15 degrees. The correct indication on the aft overhead panel for the leading edge devices is:
a. All Trailing edge flaps EXT lights illuminated
b. Leading edge Devices (SLATS) FULL EXT lights are illuminated green
c. Leading edge FLAPS lights illuminated amber

Back 44

b. Leading edge Devices (SLATS) FULL EXT lights are illuminated green

Front 45

44. Duty cycle alternate flap extension to greater than 15 degrees and back to 0 degrees is:
a. 1 cycle – 25 minutes off
b. 1 cycle – 15 minutes off
c. 2 cycles – 25 minutes off
d. 2 cycles – 20 minutes off

Back 45

a. 1 cycle – 25 minutes off

Front 46

45. Speed brakes should not be used with flaps greater than 15.
a. True
b. False

Back 46

a. True

Front 47

46. The elevator FEEL DIFFERENTIAL PRESSURE light is inhibited when ________.
a. The flaps are retracted
b. The flaps are extended

Back 47

b. The flaps are extended

Front 48

47. A trailing edge flap asymmetry is sensed ________.
a. In the flap drive hydraulic motor
b. In the flap drive feedback mechanism
c. In the trailing edge flap position indicator

Back 48

c. In the trailing edge flap position indicator

Front 49

48. The ground spoilers are powered by the “A” hydraulic system and
a. Can only be powered by the “A” hydraulic system
b. Can be powered by the “B” hydraulic system if the “A” system fails
c. Can be powered by the standby System during manual reversion

Back 49

a. Can only be powered by the “A” hydraulic system

Front 50

49. The FLAP INHIBIT position of the GPWS switch
a. Cancels an alert for exceeding landing flap limit speed
b. Prevents flap extension above the flap limit airspeed
c. Cancels an alert for landing with flaps less than 30 degrees

Back 50

c. Cancels an alert for landing with flaps less than 30 degrees

Front 51

50. The trailing edge flaps are normally operated by ___________.
a. The “A” hydraulic system
b. The “B” hydraulic system
c. The Standby hydraulic system

Back 51

b. The “B” hydraulic system

Front 52

51. What powers or operates the ailerons and elevators?
a. Hydraulic pressure from “A” systems and the standby system
b. Hydraulic pressure from “B” systems and the standby system
c. Hydraulic pressure from “A” and “B” systems and the standby system

Back 52

c. Hydraulic pressure from “A” and “B” systems and the standby system

Front 53

52. When is the wheel to rudder interconnect system (WTRIS) used (700/800/900)
a. During manual reversion flight when “A” hydraulic system are inoperative
b. During manual reversion flight when “B” hydraulic system are inoperative
c. During manual reversion flight when both “A” and “B” hydraulic systems are inoperative

Back 53

c. During manual reversion flight when both “A” and “B” hydraulic systems are inoperative

Front 54

53. When does the B737-800 wheel to rudder interconnect system begin to operate?
a. When both flight control switches are positioned to STBY RUDDER and the yaw damper switch is repositioned to OFF.
b. When a single flight control switches are positioned to STBY RUDDER and the yaw damper switch is repositioned to ON.
c. When both flight control switches are positioned to STBY RUDDER and the yaw damper switch is repositioned to ON.

Back 54

c. When both flight control switches are positioned to STBY RUDDER and the yaw damper switch is repositioned to ON