B-777 Flight Controls

Front 1

On the ground the primary pitch trim switch moves what control surface?

Back 1

Stabilizer

Front 2

In flight with A/P disconnected what do the primary pitch trim switches do in normal mode?

Back 2

Changes the trim reference speed

Front 3

In Normal mode what does moving the Alternate pitch trim levers do?

Back 3

Changes trim reference airspeed and moves stabilizer directly

Front 4

On the GROUND what will happen to all spoiler panels if thrust levers are advanced to takeoff position?

Back 4

Spoiler panels retract

Front 5

On the GROUND what will happen to all spoiler panels if either reverse thrust lever is raised to the reverse idle detent?

Back 5

All spoiler panels move up

Front 6

In Primary mode how are the flaps positioned?

Back 6

Hydraulically

Front 7

In Secondary mode are flaps positioned electrically or hydraulically?

Back 7

Electrically

Front 8

When flaps are extended with the Alternate flap selector what is the maximum flap and slat setting

Back 8

Flaps 20

Slats midrange position

Front 9

After flaps are retracted how long will the flap indication on the EICAS display be visible?

Back 9

10 seconds

Front 10

What flap setting will position the slats to the fully extended position?

Back 10

25

Front 11

How do you know when load relief is occurring?

Back 11

LOAD RELIEF will display next to flap indication

Front 12

When flap lever position is magenta what is happening?

Back 12

Slats or flaps are in transit to the commanded position

Front 13

How will you find out what primary flight control system mode is engaged?

Back 13

FLT CTRL synoptic page

Front 14

What are the 3 Primary Flight Control Modes?

Back 14

Normal

Secondary

Direct

Front 15

What does ACE stand for and how many are there?

Back 15

Actuator Control Electronics

4

Front 16

How many PFC's are there?

Back 16

3

Front 17

With flaps at settings 5, 15 and 20 for takeoff what will the ailerons do?

Back 17

Droop (lower) - for increased performance

Front 18

How far does the rudder tab deflect in proportion to the rudder?

Back 18

Twice as far

Front 19

What modes of operation is the autopilot available?

Back 19

Normal

Front 20

When do the PFC's change from normal mode to secondary mode? (2)

Back 20

Due to internal faults OR lack of information from other airplane systems

Front 21

What functions are not available in the secondary mode for the primary flight controls?

(7)

Back 21

Autopilot

Auto Speedbrakes

Envelope protection

Gust suppression

Tail strike protection

Thrust asymmetry compensation (TAC)

Yaw Damping (degraded or inop)

Front 22

When will the system transition to DIRECT mode?

Back 22

Failure of all 3 PFC's or ACE's lose communication with the PFC's

Front 23

Can direct mode be manually selected?

Back 23

Yes, moving the PRIMARY FLIGHT COMPUTERS DISCONNECT switch to DISC

Front 24

What functions are not available in the direct mode?(8)

Back 24

Autopilot

Auto Speedbrakes

Envelope protection

Gust suppression

Tail strike protection

Manual rudder trim cancel switch

Thrust asymmetry compensation (TAC)

Yaw Damping

Front 25

Can you fly with complete electrical failure?

Back 25

Yes, cables attached from flight deck to stabilizer and selected spoilers allow flight until reset of electrical system

Front 26

At 30 degrees of bank does the pilot need to add back pressure to maintain level flight?

Back 26

No

Front 27

With autopilot engaged what is inhibited?

Back 27

Primary pitch trim switches

Front 28

Does pitch trim move the control column?

Back 28

No

Front 29

Do both ALTERNATE PITCH TRIM switches need to be moved to command pitch changes?

Back 29

Yes

Front 30

What do the ALTERNATE PITCH TRIM levers move?

Back 30

Stabilizer through mechanical link

Front 31

How does the stall protection work?

Back 31

It limits the speed to which the airplane can be trimmed nose up. The trim inhibit speed is the top of the amber band on the speed tape.

Front 32

How does overspeed protection work?

Back 32

At VMO/MMO nose down trim is inhibited.

Front 33

How does tail strike protection work?

Back 33

During takeoff or landing if PFC's sense a tail strike is imminent it will decrease elevator deflection. No feedback is provided to pilot

Front 34

Moving stabilizer cutout switches to the CUTOUT position does what?

Back 34

Removes hydraulic power to the related stabilizer control module (C/R or BOTH if selected)

Front 35

What is the green band?

Back 35

Displays acceptable takeoff positions of takeoff stabilizer

Front 36

Where is the stabilizer position displayed? (2)

Back 36

Aisle stand and FLT CNTRL synoptic page

Front 37

What happens to ailerons at high speeds?

Back 37

They are locked out

Front 38

What does bank angle protection provide?

Back 38

Provides roll control protection if bank angle exceeds bank angle protection boundary of 35 degrees. If it is exceeded, control wheel will roll airplane back to within 30 degrees unless pilot overrides this feature

Front 39

When does TAC engage?

Back 39

If thrust level on one engine differs by 10% or more from the other engine

Front 40

What airspeed does TAC engage?

Back 40

70 KIAS

Front 41

What is the difference between how the TAC handles an engine failure on the ground compared to after liftoff?

Back 41

TAC on ground will NOT FULLY COMPENSATE for yaw required.

In flight it will fully compensate rudder for failed engine

Front 42

What does the wheel to rudder cross tie do?

Back 42

Allows control of an engine failure using control wheel inputs only. It can deflect the rudder upto 8 degrees and is operative below 210 knots

Front 43

How many spoiler panels are there?

Back 43

14

Front 44

What spoilers lock out in cruise?

Back 44

5 and 10

Front 45

With Speedbrake in ARMED position what happens on the ground?

Back 45

When landing gear is fully on the ground and thrust levers at idle the Speedbrake lever is driven to the UP position

Front 46

If Speedbrake lever is not in the ARMED position will it still raise spoilers on landing?

Back 46

Yes, a mechanical link between the Speedbrake lever and reverse thrust levers raises Speedbrake lever out of the down position provided you are in primary mode

Front 47

What speed and altitude are flaps inhibited?

Back 47

275 knots and 20,000'

Front 48

What flap settings have gates?

Back 48

Flaps 1 and 20

Front 49

In Secondary mode how are flaps and slats positioned and are they electric or hydraulically actuated?

Back 49

Flap lever

Electrical

Front 50

In Secondary mode when will slats be in full extended position and why?

Back 50

Flaps 1, the autoslats are unavailable

Front 51

In alternate mode how are flaps actuated and are they Electrical or hydraulic?

Back 51

Alternate flaps selector

Electrical

Front 52

Flap load relief works with what flap setting positions?

Back 52

Flaps 15 through 30, load relief retraction is limited to flaps 5

Front 53

Will flaps re extend if speed is reduced below placard airspeed after load relief has occurred?

Back 53

Yes, speed needs to be 5 knots slower than placard speed for that flap setting. Limited to current commanded flap position

Front 54

Does the flap lever move during load relief?

Back 54

No

Front 55

What modes does SLATS LOAD RELIEF occur?

Back 55

SLAT LOAD RELIEF will retract slats to mid range position if speed is above 256 knots, available in PRIMARY and SECONDARY modes

Front 56

What mode is autoslats available in?What does autoslats do and when is it armed?

Back 56

Available in PRIMARY mode only

When a signal is received from stall warning system the slats automatically extended from midrange to fully extended position.

Armed in flaps 1,5,15,20

Front 57

What modes is uncommanded flap or slat motion available? What will occur when it is detected

Back 57

Primary and Secondary modes

If occurs in primary mode, the mode will transfer to secondary. The system will shut down if it occurs in secondary mode.

Front 58

What happens when asymmetrical extension or retraction of a flap or slat is detected?

Back 58

Flap drive shuts down

Front 59

What are the 3 functions of the envelope protection?

Back 59

Stall protection

Overspeed detection

Bank angle protection

Front 60

The rudder becomes aerodynamically effective at what speed?

Back 60

60 KIAS

Front 61

What are the 3 modes for secondary flight controls?

Back 61

Primary

Secondary

Alternate

Front 62

In the event of total electrical failure what spoilers provide roll control?

Back 62

4 and 11

Front 63

What are the SECONDARY flight controls?

Back 63

Flaps and slats

Front 64

What are considered primary flight controls?

Back 64

Ailerons

Flaperons

Spoilers

Elevator

Rudder

Stabilizer

Front 65

Flap load relief is only available in what secondary flight control mode?

Back 65

Primary mode

Front 66

In Alternate mode what protections are not available? (4)

Back 66

Asymmetry

Uncommanded motion

Autoslats

Flap/slat load relief

Front 67

Flap limit placard speeds

Back 67

1 - 265

5 - 245

15 - 230

20 - 225

25 - 200

30 - 180

Front 68

When will the TAC disengage automatically?

Back 68

Airspeed less than 70 knots

OR

Reverse thrust applied

OR

System malfunction or loss of engine thrust data

OR

Normal to secondary or direct mode

Front 69

What is trim reference speed?

Back 69

Speed at which airplane will stabilize if there are no control column inputs

Front 70

Do alternate pitch trim levers disconnect autopilot?

Back 70

No

Front 71

In normal mode with the autopilot selected how is feedback sent back to the flight controls?

Back 71

The PFC's will send the commands back to the AFDS and then the backdrive generators which manipulate the controls

Front 72

In flight with A/P disconnected what do the primary pitch trim switches do in secondary and direct mode?

Back 72

Moves the stabilizer

Front 73

If unscheduled stabilizer motion is detected what happens?

Back 73

Related stabilizer control module is shut-off (either center or right or BOTH if needed)

Front 74

Can slats and flaps operate in different modes independently of each other?

Back 74

Yes, except Alternate mode. Flaps can be in primary and slats in secondary etc.

Front 75

What systems do the PFC's monitor?

Back 75

Air data

Inertial data

Flap and slat position

Engine thrust

Radio altitude

Front 76

How do you know you are exceeding bank angle protection?

Back 76

Control wheel rolls back

"BANK ANGLE" aural alert

Front 77

Is aileron trim available with the autopilot on?

Back 77

No, inhibited

Front 78

What is the takeoff flap setting range?

Back 78

5-20

Front 79

How does the flap and slat display differ when in secondary or alternate mode?

Back 79

Expanded flap display where left and right flaps and slats are shown

Front 80

When will flap and slat system revert to secondary mode?

Back 80

Automatically, when primary mode fails to move flaps or slats to selected position. Once engaged it will remain in secondary mode until fully retracted OR center system pressure is normal.

Front 81

What does selecting ALTN FLAPS ARM switch do?

Back 81

Arms secondary flap/slat electric motor and disables normal control of the flaps and slats

Front 82

How do flaps and slats go to Alternate mode?

Back 82

Manually selected

Front 83

What protections are lost in alternate mode?

Back 83

Flap/Slat load relief

Autoslats

Uncommanded motion

Assymetry