737Ng Flight Controls

Front 1

Leading Edge Slats Positions
Retract:
Extend:
Full Extend:
difference between -700 and -800

Back 1

737-700
retract: 0
extend: 1-10
full extend: 15-40

737-800
Retract: 0
Extend: 1-15
Full Extend: 25-40

Front 2

Which hydraulic system normally powers LE Devices

Back 2

Which hydraulic system normally powers LE Devices: System B

Front 3

What is the backup for the rudder if hyd systems A and B fail?

Back 3

What is the backup for the rudder if hyd systems A and B fail?
Standby hydraulic system. No manual reversion is available.

Front 4

Maximum airspeed with Mach trim inoperative

Back 4

Maximum airspeed with Mach trim inoperative: 280K / .82 Mach

Front 5

What is being tested when the stall test switch is pushed?

Back 5

Stall management and yaw damp computer (SMYD COMPUTER )

Front 6

What electrical power must be available for the stall test?

Back 6

AC power

Front 7

When might a green light on the LED Panel be an indication of an abnormal condition?

Back 7

LED Jammed or in an improper or uncommanded position

Front 8

Is autoslat movement displayed on the LED annunciator panel?

Back 8

yes

Front 9

Is autoslat movement displayed on the LE FLAPS TRANSIT light on the forward panel?

Back 9

no, this light is inhibited during autoslat movement

Front 10

Do the LED ANNUNCIATOR lights test with the master light test switch on the forward panel?

Back 10

yes

Front 11

How many ailerons are there?

Back 11

two

Front 12

How many elevators are there?

Back 12

two

Front 13

How many rudder sections are there?

Back 13

one

Front 14

How are the ailerons operated normally?

Back 14

cables connect control wheels to hydraulic PCUs

Front 15

How are the elevators operated normally?

Back 15

cables connect control columns to hydraulic PCUs

Front 16

How is the rudder operated normally?

Back 16

cables connected to hydraulic PCUs

Front 17

How is the rudder operated with a loss of sytem A or B?

Back 17

Opposite hydraulic system and standby rudder PCU

Front 18

What happens when FLT CONTROL A or B switch is moved to OFF

Back 18

flight control shutoff valve closes isolating the flight controls from the respective system

Front 19

What happens if either FLIGHT CONTROL switch is moved to STBY RUD?

Back 19

activates the standby pump and opens the standby rudder shutoff valve

Front 20

What happens if both flight control switches are moved to off

Back 20

Pressure from both A&B systems is removed from the elevators ailerons and the rudder.

Front 21

On the modified rudder system, what does the STBY RUD ON light mean?

Back 21

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

Front 22

What limits full rudder authority in flight after takeoff and before landing?

Back 22

at speeds above 135kts both hydraulic system A and B pressure are reduced by 25% each

Front 23

What happens if the FFM monitor detects opposing pressure?

Back 23

FFM automatically turns on the standby hydraulic pump, opens the standby rudder shutoff valve, and illuminates the STBY RUD ON , MC, AND FLIGHT CONTROL lights

Front 24

How are the elevators connected?

Back 24

by a torque tube

Front 25

Are the Capts and FOs control wheels connected?

Back 25

yes, by a cable drive system

Front 26

What happens if an aileron or spoiler becomes jammed?

Back 26

aileron transfer mechanism allows operating controls to be separated from non operating controls

Front 27

Can aileron trim be used during manual reversion?

Back 27

yes

Front 28

What condition would illuminate the YAW DAMPER light?

Back 28

B FLT CONTROL switch off or stby rud, or SMYD Computer senses a system fault.

Front 29

If hydraulic system B fails, will the yaw damper switch move to OFF automatically?

Back 29

no

Front 30

When will the yaw damper switch move to OFF automatically?

Back 30

B FLT CONTROL switch to OFF or STBY RUD

Front 31

What is the backup system for operation of the TE FLAPS if B system fails?

Back 31

electrically through the alternate flaps standby position switch

Front 32

What happens when you move the ALT FLAPS MASTER switch to arm?

Back 32

-activates the standby pump
-arms the alt flaps position switch
-closes the TE flaps bypass valve

Front 33

What would the illumination of the FEEL DIFF PRESSURE light mean?

Back 33

excessive pressure differential, possibly a failure of one of the hydraulic systems, or a problem with the elevator feel pitot tubes

Front 34

What does an illuminated SPEED TRIM FAIL Light mean?

Back 34

failure of both Flight Control Computer channels

Front 35

What is the purpose of the Speed trim system? When does it operate?

Back 35

helps return the airplane to a trimmed speed.
-airspeed between 100kts and mach 0.5
-autopilot not engaged
-5 seconds after release of trim switches
-N1 above 60%
-10 seconds after liftoff
-sensing of trim requirements

Front 36

What is the purpose of the Elevator Feel Shift Module?

Back 36

helps prevent further movement into a stall condition by increasing control column force to four times normal feel pressure

Front 37

If mach trim system fails, what is your speed restriction?

Back 37

280/ mach 0.82

Front 38

What does the mach system trim?
What does the Speed Trim system trim?

Back 38

Mach trim: elevators
Speed trim: stabilizer

Front 39

What would illuminated AUTO SLAT FAIL light indicate?

Back 39

failure of both SMYD COMPUTERS

Front 40

If AUTOSLAT FAIL Light illuminated only on recall, would it extinguish when recall was reset?

Back 40

yes

Front 41

What does the SPEEDBRAKE DO NOT ARM light mean?

Back 41

abnormal condition or test inputs to speedbrake system

Front 42

When is the STAB OUT OF TRIM light armed , and what does it mean when illuminated?

Back 42

armed : autopilot engaged
illuminated : autopilot not trimming stabilier properly

Front 43

What electrical power is needed for the flap position indicator?

Back 43

AC power , transfer bus 2

Front 44

What does the illumination of the LE Flaps transit light indicate? indicates more than just LE Flaps movement

Back 44

-Any LED in transit
-Any LED NOT in programmed position
-slat skew or asymmetry (inboard 3 only)
-during alt flaps ext until reaching TE flaps 10

Front 45

Does the LE Flaps transit light work duing autoslat operation?

Back 45

no

Front 46

What causes the LE FLAPS EXT light to illuminate?

Back 46

All LED EXTENDED. (Full ext with flaps 10-40)

Front 47

What is indicated by the illumination of the SPEED BRAKES EXT light?

Back 47

-in flight: beyond armed and TE flaps>10 or RA <800ft (undesirable condition!)
-ground: lever in down detent and ground spoilers deployed

Front 48

Does the speedbrake lever have to be armed to get spoilers on an RTO?

Back 48

no

Front 49

Why doesn't speedbrake lever have to be armed during RTO to get spoilers?

Back 49

auto speedbrake system works when :wheels spin up 60kts and rev thrust is selected

Front 50

When does the speedbrake system operate on landing

Back 50

-Armed, both throttles to idle,
-flight spoilers deploy, Wheel spin up 60kts
-ground spoilers deploy: right main strut compressed RA <10ft
if wheel spin up not sensed, flight spoilers deploy on any gear compression. right main gets ground spoilers )
-

Front 51

What are the normal landing flap settings?

Back 51

flaps 30 and 40

Front 52

What does the takeoff configuration system monitor?

Back 52

-Parking brake
-Trim in green band
-Speed brake (handle down detent)
-spoilers (boards down)
-flaps in takeoff configuration
-LE Devices (not in takeoff configuration )

Front 53

When will you get a takeoff config warning?

Back 53

on ground and both thrust levers advanced for takeoff

Front 54

Can the autopilot trim the ailerons or rudder?

Back 54

no

Front 55

Does the rudder have trim tabs?

Back 55

no

Front 56

Can the rudder be trimmed with a loss of hydraulics?

Back 56

no

Front 57

What is the purpose of the Stab Trim Override Switch?

Back 57

bypasses the control column actuated stab trim cutout switches under floor to restore power to stabilizer trim switches.