Boeing B777 - Flight controls

How many spoiler panels are used as speedbrakes?

A total of 8 spoiler panels.

A total of 10 spoiler panels.

A total of 14 spoiler panels.

A total of 12 spoiler panels.

Correct! Wrong!

In direct mode, which of the following components of fly-by-wire are NOT operating?

Power Control Units (PCUs).

Primary Flight Computers (PFCs).

Position feedback transducers.

Actuator Control Electronics (ACES).

Correct! Wrong!

When do the control wheel stabilizer trim switches control stabilizer movement directly?

All the time.

During engine out go-arounds.

Only on the ground.

Only during approaches.

Correct! Wrong!

Which spoilers are available as speedbrakes (secondary and direct modes)?

Spoilers 4,11

Spoilers 1-7

Spoilers 5,10

None. Speedbrakes are disabled.

Correct! Wrong!

What control do the flaperons and ailerons provide?

Roll control assisted by asymmetric spoilers.

Increased wing lift and decreased stall speed.

Yaw control assisted by the rudder.

Pitch control assisted by a movable horizontal stabilizer.

Correct! Wrong!

Which pair of spoilers is mechanically controlled through a cable from the control wheel?

Spoilers 5 and 10.

Spoilers 1 and 14.

Spoilers 5 and 8.

Spoilers 4 and 11.

Correct! Wrong!

Which statement is NOT true regarding the flap position indicator?

The flap position indicator is on the PFD.

There are three different displays: Primary, Secondary and Alternate.

The flap position indicator is magenta when slats and flaps are in transit.

The flap position indicator appears on EICAS when flaps begin to extend.

Correct! Wrong!

Which of the following is true when the flight control system is operating in secondary mode?

Actuator Control Electronics (ACES) are NOT available.

Envelope protection features are available.

Autopilot and envelope are NOT available.

The Primary Flight Computers (PFCs) are NOT available.

Correct! Wrong!

Auto speed-brakes protection is provided for which phases of flight?

Take-off, rejected take-off and approach.

Take-off, rejected take-off, approach and landing.

Take-off, rejected take-off and approach below 200 feet.

Take-off, rejected take-off and landing.

Correct! Wrong!

Which of the following are NOT stall protection features?

The auto-throttle disconnects.

The auto-throttle advances to maintain minimum airspeed.

In landing configuration, leading slats move to gapped position.

Stick shaker activates.

Correct! Wrong!

In direct mode, which of the following components of the primary flight control system are NOT operating?

Actuator Control Electronics (ACES).

Secondary FCC.

Electro hydraulic servos.

Primary Flight Computers (PFCs).

Correct! Wrong!

What is the correct statement?

Moving the alternate pitch trim levers with the autopilot engaged does not move the stabilizer.

Moving the alternate pitch trim levers during stall or overspeed protection does not move the stabilizer

Aileron trim in inhibited when the autopilot is engaged.

All statements are correct.

Correct! Wrong!

Which control surfaces are used for roll control on the B777?

Ailerons, flaperons and spoilers.

Ailerons, flaperons and elevators.

Ailerons, flaperons and slats.

Ailerons, flaperons and flaps.

Correct! Wrong!

In the normal mode, a control column input or trim change is required to maintain a constant flight path:

During airspeed changes.

All statements are correct.

During speedbrake extension or retraction.

During flap extension or retraction

Correct! Wrong!

When are pitch trim changes required with the 777 'fly-by-wire' system?

For all configuration changes.

When thrust is changed.

During airspeed changes only.

When the landing gear is extended.

Correct! Wrong!

A wheel to rudder cross-tie function provides the capability of being able to control the initial effects of an engine failure using control wheel inputs only. How many degrees of rudder deflection can be obtained from control wheel inputs?

13 degrees.

7.5 degrees.

9.5 degrees.

8 degrees.

Correct! Wrong!

What are the initial steps to extend the flaps using the alternate flap system?

Arm ALT FLAPS ARM switch. Select ALT FLAPS selector to EXT.

Arm ALT FLAPS ARM switch. Select NORMAL FLAPS selector to 20.

Arm ALT FLAPS ARM switch. Select ALT FLAPS selector to OFF.

Push ALT FLAPS ARM switch. Select ALT FLAPS selector to EXT.

Correct! Wrong!

What is the maximum speed of wheel to rudder cross-tie operation?

200 knot.

220 knot.

210 knot.

180 knot.

Correct! Wrong!

Which of the following is not a stall protection feature?

The out-of-trim forces increase above normal for a condition above the minimum manoeuvre speed.

Use of alternate pitch trim levers reduces the column forces below the minimum manoeuvring speed.

Stab trim is inhibited in the nose up direction at approximately the minimum manoeuvring speed.

The pilot must apply continuous aft column force to maintain airspeed below the manoeuvring speed.

Correct! Wrong!

Which of the following is true when the flight control system is operating in secondary mode?

The autopilot is available.

Envelope protection features are NOT available.

The Primary Flight Computers (PFCs) are NOT available.

Actuator Control Electronics (ACES) are NOT available.

Correct! Wrong!

What is wheel to rudder cross-tie?

Ability to override rudder inputs with the control wheel inputs.

Ability to control initial effects of an engine failure with control wheel only.

Ability to control rudder trim with control wheel inputs.

Ability to dampen Dutch roll with control wheel only.

Correct! Wrong!

Which of these flight control surfaces aid in roll control?

Ailerons, flaperons and spoilers.

Krueger flaps, slats and spoilers.

Slats and spoilers only.

Flaperons and slats.

Correct! Wrong!

When does TAC automatically add rudder to minimize yaw?

When one engine differs by 10 present or more from the other engine.

When the engine is damaged or surges.

When engine thrust loss is sensed in the normal and secondary mode.

When an engine is at idle thrust.

Correct! Wrong!

What could cause the STAB GREENBAND EICAS message to be displayed?

The FMC weight entry and CG may be incorrect.

Power to the stabilizer position indicator is lost.

The stabilizer position indicator is unreliable.

All statements are correct.

Correct! Wrong!

What can you say about the FLAPS DRIVE EICAS message?

The flaps will operate in secondary mode.

Arm the alternate system.

The EICAS flap indicator display turns magenta.

The message is displayed when the flap drive mechanism has been shut down due to an asymmetry.

Correct! Wrong!

What is the effect of placing a stabilizer cutout switch to cutout?

Disable direct rudder control.

Disconnects hydraulic supply to STCM.

Connects hydraulic supply to STCM.

Engages gust suppression.

Correct! Wrong!

Which one of the following statements is false?

There are 12 spoilers.

Spoilers 4 and 11 are mechanically operated.

At cruise speed, spoilers 5 and 10 are locked out.

When augmenting roll control, the spoilers work asymmetrically.

Correct! Wrong!

Are the PFCs and ACEs used in direct mode?

Only ACEs

It is not possible.

Both PFCs and ACEs

Only PFCs

Correct! Wrong!

What happens if uncommanded stabilizer motion is sensed?

The stabilizer is locked in place.

Power to all STCMs is shut off.

The A/P engages automatically.

Power to the affected STCM is shut off.

Correct! Wrong!

Which trim control is inhibited when the autopilot is engaged?

Alternate pitch trim levers.

Alternate control pitch trim.

Control wheel pitch trim switches.

Trim control pitch

Correct! Wrong!

What does the EICAS message FLIGHT CONTROL MODE indicate?

The Flap/Slat electronics units are inoperative.

Multiple flight control surfaces are inoperative.

Flight control system faults are detected.

Flight control system is operating in the secondary mode.

Correct! Wrong!

Which of the following is not correct concerning the flight control system when operating in secondary mode?

Thrust Asymmetry is NOT available.

All spoilers remain usable.

Autopilot and envelope protection are NOT available.

Envelope protection features are NOT available.

Correct! Wrong!

What is FALSE about Flap/Slat Load Relief?

Re-extension is limited to the commended flap position.

Flap load relief is available in the primary and secondary modes.

When airspeed is reduced the flap automatically re-extend as airspeed allows.

The Flap lever does not move during flap condition and shows actual flap position.

Correct! Wrong!

When do the PFCs make self-test?

After hydraulic system shutdown (HYD PRESS SYS L+C+R).

After hydraulic system pressurization.

After the "PRIMARY FLIGHT COMPUTERS" EICAS message is displayed.

After hydraulic system depressurization.

Correct! Wrong!

What power source is used for the actuation of all primary flight controls?

Hydraulic.

Mechanical.

Electric.

Pneumatic.

Correct! Wrong!

Automatic speed-brake operation is provided for which flight control system modes?

Direct.

Normal.

All flight control modes.

Secondary.

Correct! Wrong!

What is FALSE about stabilizer trim?

The green band on the stabilizer position indicator shows the stabilizer trim range for take-off.

As airspeed increases, trim rate decreases.

As airspeed increases, trim rate increases.

You can use the pitch trim switches on the yoke to set the trim.

Correct! Wrong!

What does stall warning consist of?

Stall warning horn.

EICAS message 'STALL'.

Stick shaker but NO stall warning.

Stick shaker followed by stall warning.

Correct! Wrong!

Do the ailerons increase lift for takeoff?

No the ailerons are used only at high speed

No, the ailerons assist roll control only during high speed flight.

Yes the ailerons move down with flaps 15 and 20.

Yes the ailerons move down with flaps 5, 15 and 20.

Correct! Wrong!

Under what conditions does the SPEEDBRAKE EXTENDED EICAS message display?

After landing, if speed-brakes fail to extend.

Speedbrakes are extended and the airplane is above 800 feet RA.

Any time speed-brakes are extended.

Speedbrakes are extended and landing flaps are selected or RA is between 15 and 800 feet.

Correct! Wrong!

Which one of the following statements is incorrect?

The spoilers augment roll control.

Spoilers 5 and 10 are available as ground spoilers only.

The extension of speed-brakes in the landing configuration is prohibited.

Spoilers 4 and 11 are mechanically operated.

Correct! Wrong!

Which statement is true when the primary flight computer disconnect switch is positioned to DISC?

The system operates in direct mode

Autopilot is not available.

Protection features are NOT available.

All statements are correct.

Correct! Wrong!

Which spoilers will be locked out in secondary and direct modes?

Spoilers 8 to 14

Spolers 5 and 10

Spoilers 1 and 14

Spoilers 1 to 7

Correct! Wrong!

What is true about turn compensation?

It is available only in the secondary mode.

The turn compensation switch is on the overhead panel.

It is not available if the bank angle is above 30 degrees.

Elevator input is NOT required if the airplane is in a 30 degree bank.

Correct! Wrong!

What happens when the stabilizer signal is not present or is invalid?

The green band on the indicator turns amber

The EICAS message STAB GREENBAND displays

The CDU displays the VERIFY TRIM message in the scratchpad

The green band and the pointer are not displayed

Correct! Wrong!

What does the PRI FLIGHT COMPUTERS EICAS message indicate?

The system is in direct mode

The system is in the secondary mode.

The system is in primary mode.

Flight control modes are not affected.

Correct! Wrong!

What causes the SPEEDNRAKE EXTENDED message to display on the EICAS?

On the ground when either reverse thrust lever is moved to the reverse idle detent.

Speedbrake is UP after landing.

Speedbrake is down when either thrust lever is advanced to a takeoff position.

Speedbrake is extended when radio altitude is between 15 and 800 ft.

Correct! Wrong!

When do the alternate pitch trim levers move the stabilizer?

Only on the ground.

When the autopilot is disengaged.

During flight control secondary and direct modes.

The levers move the stabilizer directly at all times.

Correct! Wrong!

Where - and when - is the stabilizer "green band" displayed?

Only in flight, on control wheel.

Only on the ground, on pitch trim indicators.

Only during landing, on CDU.

Always on EICAS

Correct! Wrong!

What is the meaning of the EICAS advisory message STABILIZER CUTOUT?

One stabilizer cut-out switch is in the CUTOUT position.

Stabilizer asymmetry compensation is inoperative.

Both stabilizer cut-out switches are in the CUTOUT position.

The centre stabilizer control path is inoperative

Correct! Wrong!

Which of these flight control surfaces droop when the trailing edge flaps extend?

Flaperons.

Krueger flaps and slats.

Slats only.

Flaperons and slats.

Correct! Wrong!

What principle is used when direct mode is in use?

Direct control surface deflection.

Electric signals.

Hydraulic signal modulation.

Mechanical linkage.

Correct! Wrong!

Which of these flight control surfaces assist in roll control?

Slats and spoilers.

Ailerons and flaperons.

Flaperons and slats.

Slats only.

Correct! Wrong!

Boeing B777 – Flight controls

Quiz

Boeing B777 - Flight controls

How many spoiler panels are used as speedbrakes?

In direct mode, which of the following components of fly-by-wire are NOT operating?

When do the control wheel stabilizer trim switches control stabilizer movement directly?

Which spoilers are available as speedbrakes (secondary and direct modes)?

What control do the flaperons and ailerons provide?

Which pair of spoilers is mechanically controlled through a cable from the control wheel?

Which statement is NOT true regarding the flap position indicator?

Which of the following is true when the flight control system is operating in secondary mode?

Auto speed-brakes protection is provided for which phases of flight?

Which of the following are NOT stall protection features?

In direct mode, which of the following components of the primary flight control system are NOT operating?

What is the correct statement?

Which control surfaces are used for roll control on the B777?

In the normal mode, a control column input or trim change is required to maintain a constant flight path:

When are pitch trim changes required with the 777 'fly-by-wire' system?

A wheel to rudder cross-tie function provides the capability of being able to control the initial effects of an engine failure using control wheel inputs only. How many degrees of rudder deflection can be obtained from control wheel inputs?

What are the initial steps to extend the flaps using the alternate flap system?

What is the maximum speed of wheel to rudder cross-tie operation?

Which of the following is not a stall protection feature?

Which of the following is true when the flight control system is operating in secondary mode?

What is wheel to rudder cross-tie?

Which of these flight control surfaces aid in roll control?

When does TAC automatically add rudder to minimize yaw?

What could cause the STAB GREENBAND EICAS message to be displayed?

What can you say about the FLAPS DRIVE EICAS message?

What is the effect of placing a stabilizer cutout switch to cutout?

Which one of the following statements is false?

Are the PFCs and ACEs used in direct mode?

What happens if uncommanded stabilizer motion is sensed?

Which trim control is inhibited when the autopilot is engaged?

What does the EICAS message FLIGHT CONTROL MODE indicate?

Which of the following is not correct concerning the flight control system when operating in secondary mode?

What is FALSE about Flap/Slat Load Relief?

When do the PFCs make self-test?

What power source is used for the actuation of all primary flight controls?

Automatic speed-brake operation is provided for which flight control system modes?

What is FALSE about stabilizer trim?

What does stall warning consist of?

Do the ailerons increase lift for takeoff?

Under what conditions does the SPEEDBRAKE EXTENDED EICAS message display?

Which one of the following statements is incorrect?

Which statement is true when the primary flight computer disconnect switch is positioned to DISC?

Which spoilers will be locked out in secondary and direct modes?

What is true about turn compensation?

What happens when the stabilizer signal is not present or is invalid?

What does the PRI FLIGHT COMPUTERS EICAS message indicate?

What causes the SPEEDNRAKE EXTENDED message to display on the EICAS?

When do the alternate pitch trim levers move the stabilizer?

Where - and when - is the stabilizer "green band" displayed?

What is the meaning of the EICAS advisory message STABILIZER CUTOUT?

Which of these flight control surfaces droop when the trailing edge flaps extend?

What principle is used when direct mode is in use?

Which of these flight control surfaces assist in roll control?