B757 Flight Controls

Front 1

1. What is the purpose of the rudder ratio system?
A. System is designed to lockout the outboard ailerons at high speeds
B. It's only associated with the rollout system during an autoland
C. As airspeed increases, the ratio changer desensitizes inputs from the pilot to reduce
the rudder deflection

Back 1

C. As airspeed increases, the ratio changer desensitizes inputs from the pilot to reduce
the rudder deflection

Front 2

2. Which hydraulic system powers the rudder ratio system?
A. Right
B. Center
C. Left

Back 2

C. Left

Front 3

3. What are the limitations if a RUDDER RATIO light is illuminated and a RUDDER RATIO EICAS
message is displayed with normal left hydraulic system pressure?
A. None
B. Crosswind and autoland limitation must be observed
C. Alternate gear extension must be used

Back 3

B. Crosswind and autoland limitation must be observed

Front 4

4. What is the purpose of the yaw damper system?
A. Improves directional stability
B. Limits rudder deflection during taxi
C. Modifies pilot aileron inputs above 240 knots

Back 4

A. Improves directional stability

Front 5

5. When is Mach speed trim inhibited from trimming?
A. When a fault exists in the rudder ratio system
B. When a yaw damper fault occurs
C. When electric, alternate, or autopilot trim is operating

Back 5

C. When electric, alternate, or autopilot trim is operating

Front 6

6. What does the STAB TRIM light and EICAS message indicate?
A. Fault in backup mechanical trim system
B. Stabilizer trimming is at half the rate
C. Fault in the Mach speed trim system

Back 6

B. Stabilizer trimming is at half the rate

Front 7

7. What does an UNSCHED STAB TRIM light and EICAS message indicate?
A. Uncommanded stabilizer movement
B. Stabilizer trimming at half the rate
C. Fault in the Mach speed trim system

Back 7

A. Uncommanded stabilizer movement

Front 8

8. An armed speedbrake lever moves to the UP position and the spoiler panels raise after landing
when which of the following occurs?
A. ROLLOUT mode engaged at 5 feet RA
B. Both thrust levers are at idle
C. Calibrated airspeed (CAS) below 80 knots

Back 8

B. Both thrust levers are at idle

Front 9

9. Alternate flap/slat system is operated by?
A. Hydraulics
B. Bleed air
C. Electric motors

Back 9

C. Electric motors

Front 10

10. When are the leading edge slats extended to the landing position during normal flap extension?
A. Flaps 1
B. Flaps 15
C. Flaps 25

Back 10

C. Flaps 25

Front 11

11. Why should the speedbrake lever be moved from ARMED to the DOWN detent if the AUTO
SPDBRK light illuminate?
A. To prevent inadvertent speedbrake extension in flight
B. To prevent asymmetric speedbrake deployment
C. To restore operation of roll spoilers

Back 11

A. To prevent inadvertent speedbrake extension in flight

Front 12

12. Which of the following is true when the AUTO SPDBRK light is illuminated?
A. Auto brakes are inoperative
B. Speedbrakes can still be operated manually
C. Manual speedbrake deployment is inoperative

Back 12

B. Speedbrakes can still be operated manually

Front 13

13. What is indicated by an illuminated SPOILERS light and SPOILERS EICAS message?
A. One or more spoiler pairs are inoperative
B. Spoilers operating normally
C. Automatic speedbrakes inoperative

Back 13

A. One or more spoiler pairs are inoperative

Front 14

757 14. What does MACH SPD TRIM light indicate?
A. Mach speed trim system is inoperative
B. Mach speed trim system is trimming the stabilizer
C. Fault in backup mechanical trim system

Back 14

A. Mach speed trim system is inoperative

Front 15

757 15. What occurs when either Alternate Flaps switch is pushed ON?
A. Hydraulic power is removed from both leading and trailing edge drive systems
B. Hydraulic power is removed from the respective drive systems
C. Hydraulic drive systems operate at half the rate

Back 15

A. Hydraulic power is removed from both leading and trailing edge drive systems

Front 16

757 16. Slats move to the landing position when Flaps 20 is selected with the Alternate Flaps selector.
True or False?
A. True
B. False

Back 16

A. True

Front 17

757 17. What type of stall protection is installed?
A. EEC commands maximum thrust regardless of TMSP selected thrust reference
B. Control column nudger/pusher
C. Autoslats; the leading edge slats automatically move from the takeoff position to the
landing position when the stall warning system activates

Back 17

C. Autoslats; the leading edge slats automatically move from the takeoff position to the
landing position when the stall warning system activates

Front 18

757 18. If Flaps 30 is selected, what occurs if the flap load relief system is activated above 162 knots?
A. Flaps retract to 20
B. Flaps retract to 25
C. Slats retract to the takeoff position

Back 18

B. Flaps retract to 25

Front 19

757 19. During alternate flap operation, slats move to landing position when Flaps 20 is selected.
True or False?
A. True
B. False

Back 19

A. True

Front 20

767 20. When does the Pitch Enhancement System (PES) operate automatically?
A. Loss of right and center hydraulics
B. Loss of left and center hydraulics
C. Loss of left and right hydraulics

Back 20

B. Loss of left and center hydraulics

Front 21

767 21. What is the stab trim rate when the Pitch Enhancement System (PES) is operating?
A. 1/2
B. 1/4
C. 2/10

Back 21

B. 1/4

Front 22

767 22. How does the Pitch Enhancement System (PES) operate?
A. The PES uses a PTU driven by the right hydraulic system which uses trapped left trim
system fluid to power stabilizer trim
B. The PES uses the HDG powered from center pneumatic pressure which uses trapped
left trim system fluid to power the elevator
C. The PES uses a PTU driven by the left hydraulic system which uses trapped right trim
system fluid to power the stabilizer

Back 22

A. The PES uses a PTU driven by the right hydraulic system which uses trapped left trim
system fluid to power stabilizer trim

Front 23

767 23. What occurs when either Alternate Flaps switch is pushed ON?
A. Hydraulic power is removed from both leading and trailing edge Power Drive Units (PDUs)
B. Shuts off hydraulic power to selected flap or slat drive unit(s)
C. Hydraulic Power Drive Units (PDUs) operate at half the rate

Back 23

B. Shuts off hydraulic power to selected flap or slat drive unit(s)

Front 24

767 24. Flap load relief and trailing edge flap asymmetry protection are not available in the alternate
mode. True or False?
A. True
B. False

Back 24

A. True

Front 25

767 25. What type of stall protection is installed?
A. Control column nudger/pusher
B. EEC commands maximum thrust regardless of TMSP selected thrust reference
C. Autoslats; the leading edge slats automatically move from the takeoff position to the
landing position when the stall warning system activates

Back 25

A. Control column nudger/pusher

Front 26

767 26. If Flaps 30 is selected, what occurs if the flap load relief system is activated above 170 knots?
A. Inboard aileron droops
B. Flaps retract to 25
C. Flaps retract to 20

Back 26

C. Flaps retract to 20

Front 27

767 27. With Flaps 30 selected and airspeed increases above 170 knots, what action should occur?
A. The FLAP LD RELIEF EICAS message will display
B. TE flaps will retract to 25
C. TE flaps will retract to 20

Back 27

C. TE flaps will retract to 20

Front 28

767 28. Shortly after selecting Flaps 1, a LE non-normal occurs, what automatic action will take place?
A. All three PDU hydraulic shut off valves close
B. Hydraulic power to only the slats is automatically shut off
C. Arms LE PDU alternate electric motor

Back 28

B. Hydraulic power to only the slats is automatically shut off

Front 29

767 29. The Pitch Enhancement System (PES) will automatically activate with the loss of which
hydraulic systems?
A. Left and right
B. Center and right
C. Left and center

Back 29

C. Left and center