Flight Controls

Question 1

How many air spoilers and what Hyd system?

Answer 1

4 on each wing (8 in total) - Split between A+B Hyd

Question 2

How many ground spolilers and hyd system?

Answer 2

4 from A hyd

Question 3

What does flight detent do to the spoilers?

Answer 3

Raises to 50%

Question 4

When would Mach Trim automatically start and in what direction?

Answer 4

0.615M - Nose Up

Question 5

What does Stab Trim Override do?

Answer 5

Allows you to trim in any direction (not just the direction of your control column)

Question 6

What does Stab Trim Cutout do?

Answer 6

Removes electric trim completely (and will mean A/P can’t engage too)

Question 7

What flap settings does Flap Load Relief apply to on SFP aircraft?

Answer 7

10-40deg

Question 8

What flap settings does Flap Load Relief apply on non-SFP aircraft?

Answer 8

30-40deg

Question 9

What speed does Flap Load Relief start to Retract (relative to limit speed)

Answer 9

+1 knot

Question 10

What speed does Flap Load Relief start to Extend (relative to limit speed)

Answer 10

-4 knots

Question 11

What speed does the PCU reduce rudder yaw authority and by how much?

Answer 11

> 135kts and by 25%

Question 12

What does the Yaw Damper provide?

Answer 12

Dutch roll prevention
Turn Coordination
Gust Damping

Question 13

Using Alternate Flap - How long between button presses?

Answer 13

15 secs

Question 14

Using Alternate Flap - How long between full cycle?

Answer 14

5 mins

Question 15

What feel system does the Rudder have?

Answer 15

Spring feel

Question 16

What flap settings do autoslats work on?

Answer 16

F1-5 or (F1-25 on SFP) (from extended to fully extended)

Question 17

What devices have skew protection?

Answer 17

TE flaps and LE slats

Question 18

What devices have asymmetry protection?

Answer 18

TE flaps (not on alternate elec motor)

Question 19

Uncommanded motion and what indication?

Answer 19

Both TE & LE flaps - LE Transit light

Question 20

Spoiler - DO NOT ARM indication?

Answer 20

Abnormal or test, or spoilers not down with wheel speed <60kts

Question 21

Spoiler - EXTENDED indication (in air and on ground)

Answer 21

In Air - Landing config or <800ft AGL with spoilers not stowed

On Ground - Down detent but not stowed

Question 22

What are the conditions for ground spoiler auto deployment?

Answer 22

Lever in armed position
RA<10ft
Wheel speed >60kts
Thrust levers - idle
Right main gear compresses

Question 23

What are the conditions for round spoiler deployment on RTO?

Answer 23

Wheel speed >60kts
Thrust levers - idle
and Reverse Thrust

Question 24

LE Device positions with Alternate Flaps (when down has been pressed)

Answer 24

Fully extended for LE Slats and LE Flaps

Question 25

Non-SFP/SFP - LE Flaps fully-extended when?

Answer 25

Always

Question 26

Non-SFP - LE Slats fully-extended when?

Answer 26

F10-40

Question 27

Non-SFP - LE Slats extended when?

Answer 27

F1-5

Question 28

SFP - LE Slats extended when?

Answer 28

F1-25

Question 29

SFP - LE Slats fully-extended when?

Answer 29

F30-40

Question 30

SFP - Changes from non-SFP

Answer 30

FMC Software revision
Reduced idle thrust delay after touchdown - 2s App Idle to Grd Idle (5s without)
Increased spoiler deflection on ground
Sealed slats for take-off flap positions F1-25 (more lift at slower speeds)
Winglet lift credited to reduce stall speed

Question 31

SFP - Ground spoiler changes

Answer 31

52deg to 60deg

Question 32

SFP - Flight spoiler changes

Answer 32

33-38deg to 60 deg (ground only)

Question 33

SFP - Whats the goal for takeoffs?

Answer 33

Reduce runway by 70m - TOM by 1700kg, by lowering V2

Question 34

SFP - Whats the goal for landing

Answer 34

Reduce runway by 100m at least - MLW up by 4730kg

Question 35

Capt roll wire goes to where?

Answer 35

Ailerons

Question 36

FO roll wire goes to where?

Answer 36

Spoilers

Question 37

What does ALTERNATE FLAPS red switch do?

Answer 37

activates the standby electric motor–driven pump
closes the trailing edge flap bypass valve
arms the ALTERNATE FLAPS position switch
allows the standby system to power the leading edge flaps and slats and thrust reversers.