Boeing B777 - Flight controls

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 landing.

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

Correct! Wrong!

Which of these flight control surfaces assist in roll control?

Slats only.

Ailerons and flaperons.

Slats and spoilers.

Flaperons and slats.

Correct! Wrong!

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

Thrust Asymmetry is NOT available.

Autopilot and envelope protection are NOT available.

All spoilers remain usable.

Envelope protection features are NOT available.

Correct! Wrong!

When do the PFCs make self-test?

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

After hydraulic system pressurization.

After hydraulic system depressurization.

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

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 4 and 11.

Spoilers 5 and 8.

Correct! Wrong!

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

Primary Flight Computers (PFCs).

Secondary FCC.

Electro hydraulic servos.

Actuator Control Electronics (ACES).

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!

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

During airspeed changes only.

When the landing gear is extended.

When thrust is changed.

For all configuration changes.

Correct! Wrong!

Which statement is NOT true regarding the flap position indicator?

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

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

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

The flap position indicator is on the PFD.

Correct! Wrong!

What does stall warning consist of?

Stick shaker followed by stall warning.

EICAS message 'STALL'.

Stick shaker but NO stall warning.

Stall warning horn.

Correct! Wrong!

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

Direct.

Secondary.

Normal.

All flight control modes.

Correct! Wrong!

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

During engine out go-arounds.

Only on the ground.

All the time.

Only during approaches.

Correct! Wrong!

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

Engages gust suppression.

Connects hydraulic supply to STCM.

Disable direct rudder control.

Disconnects hydraulic supply to STCM.

Correct! Wrong!

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

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

Speedbrake is UP after landing.

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

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

Correct! Wrong!

What can you say about the FLAPS DRIVE EICAS message?

Arm the alternate system.

The flaps will operate in secondary mode.

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 does the PRI FLIGHT COMPUTERS EICAS message indicate?

The system is in direct mode

The system is in the secondary mode.

Flight control modes are not affected.

The system is in primary mode.

Correct! Wrong!

What is the correct statement?

All statements are correct.

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

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

Aileron trim in inhibited when the autopilot is engaged.

Correct! Wrong!

Do the ailerons increase lift for takeoff?

Yes the ailerons move down with flaps 15 and 20.

No the ailerons are used only at high speed

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

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

Correct! Wrong!

When does TAC automatically add rudder to minimize yaw?

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

When the engine is damaged or surges.

When an engine is at idle thrust.

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

Correct! Wrong!

Which one of the following statements is incorrect?

Spoilers 4 and 11 are mechanically operated.

The spoilers augment roll control.

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

Spoilers 5 and 10 are available as ground spoilers only.

Correct! Wrong!

Which of these flight control surfaces aid in roll control?

Flaperons and slats.

Krueger flaps, slats and spoilers.

Ailerons, flaperons and spoilers.

Slats and spoilers only.

Correct! Wrong!

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

Mechanical.

Electric.

Hydraulic.

Pneumatic.

Correct! Wrong!

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

Ailerons, flaperons and elevators.

Ailerons, flaperons and slats.

Ailerons, flaperons and spoilers.

Ailerons, flaperons and flaps.

Correct! Wrong!

How many spoiler panels are used as speedbrakes?

A total of 10 spoiler panels.

A total of 8 spoiler panels.

A total of 12 spoiler panels.

A total of 14 spoiler panels.

Correct! Wrong!

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

Spoilers 5,10

Spoilers 4,11

Spoilers 1-7

None. Speedbrakes are disabled.

Correct! Wrong!

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

Spoilers 1 and 14

Spoilers 1 to 7

Spoilers 8 to 14

Spolers 5 and 10

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?

9.5 degrees.

13 degrees.

7.5 degrees.

8 degrees.

Correct! Wrong!

What happens if uncommanded stabilizer motion is sensed?

The A/P engages automatically.

Power to the affected STCM is shut off.

Power to all STCMs is shut off.

The stabilizer is locked in place.

Correct! Wrong!

Are the PFCs and ACEs used in direct mode?

It is not possible.

Only ACEs

Both PFCs and ACEs

Only PFCs

Correct! Wrong!

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

Envelope protection features are NOT available.

The autopilot is available.

The Primary Flight Computers (PFCs) are NOT available.

Actuator Control Electronics (ACES) are NOT available.

Correct! Wrong!

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

Power to the stabilizer position indicator is lost.

The FMC weight entry and CG may be incorrect.

The stabilizer position indicator is unreliable.

All statements are correct.

Correct! Wrong!

What is wheel to rudder cross-tie?

Ability to control rudder trim with control wheel inputs.

Ability to dampen Dutch roll with control wheel only.

Ability to override rudder inputs with the control wheel inputs.

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

Correct! Wrong!

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

Always on EICAS

Only on the ground, on pitch trim indicators.

Only during landing, on CDU.

Only in flight, on control wheel.

Correct! Wrong!

When do the alternate pitch trim levers move the stabilizer?

The levers move the stabilizer directly at all times.

During flight control secondary and direct modes.

When the autopilot is disengaged.

Only on the ground.

Correct! Wrong!

Which of the following are NOT stall protection features?

The auto-throttle disconnects.

Stick shaker activates.

The auto-throttle advances to maintain minimum airspeed.

In landing configuration, leading slats move to gapped position.

Correct! Wrong!

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

The EICAS message STAB GREENBAND displays

The green band on the indicator turns amber

The green band and the pointer are not displayed

The CDU displays the VERIFY TRIM message in the scratchpad

Correct! Wrong!

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

Stabilizer asymmetry compensation is inoperative.

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

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

The centre stabilizer control path is inoperative

Correct! Wrong!

What is FALSE about Flap/Slat Load Relief?

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.

Re-extension is limited to the commended flap position.

Correct! Wrong!

What does the EICAS message FLIGHT CONTROL MODE indicate?

Multiple flight control surfaces are inoperative.

Flight control system is operating in the secondary mode.

Flight control system faults are detected.

The Flap/Slat electronics units are inoperative.

Correct! Wrong!

Under what conditions does the SPEEDBRAKE EXTENDED EICAS message display?

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

After landing, if speed-brakes fail to extend.

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

Any time speed-brakes are extended.

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 OFF.

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

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

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

Correct! Wrong!

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

During speedbrake extension or retraction.

During airspeed changes.

During flap extension or retraction

All statements are correct.

Correct! Wrong!

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

Flaperons and slats.

Slats only.

Flaperons.

Krueger flaps and slats.

Correct! Wrong!

What is true about turn compensation?

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

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

It is available only in the secondary mode.

The turn compensation switch is on the overhead panel.

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.

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

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

Correct! Wrong!

What is FALSE about stabilizer trim?

As airspeed increases, trim rate increases.

As airspeed increases, trim rate decreases.

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

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

Correct! Wrong!

Which one of the following statements is false?

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

When augmenting roll control, the spoilers work asymmetrically.

There are 12 spoilers.

Spoilers 4 and 11 are mechanically operated.

Correct! Wrong!

What principle is used when direct mode is in use?

Electric signals.

Mechanical linkage.

Hydraulic signal modulation.

Direct control surface deflection.

Correct! Wrong!

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

220 knot.

180 knot.

200 knot.

210 knot.

Correct! Wrong!

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

Primary Flight Computers (PFCs).

Actuator Control Electronics (ACES).

Power Control Units (PCUs).

Position feedback transducers.

Correct! Wrong!

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

The Primary Flight Computers (PFCs) are NOT available.

Envelope protection features are available.

Autopilot and envelope are NOT available.

Actuator Control Electronics (ACES) are NOT available.

Correct! Wrong!

Which trim control is inhibited when the autopilot is engaged?

Control wheel pitch trim switches.

Trim control pitch

Alternate control pitch trim.

Alternate pitch trim levers.

Correct! Wrong!

What control do the flaperons and ailerons provide?

Roll control assisted by asymmetric spoilers.

Yaw control assisted by the rudder.

Increased wing lift and decreased stall speed.

Pitch control assisted by a movable horizontal stabilizer.

Correct! Wrong!

Boeing B777 – Flight controls

Quiz

Boeing B777 - Flight controls

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

Which of these flight control surfaces assist in roll control?

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

When do the PFCs make self-test?

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

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

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

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

Which statement is NOT true regarding the flap position indicator?

What does stall warning consist of?

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

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

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

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

What can you say about the FLAPS DRIVE EICAS message?

What does the PRI FLIGHT COMPUTERS EICAS message indicate?

What is the correct statement?

Do the ailerons increase lift for takeoff?

When does TAC automatically add rudder to minimize yaw?

Which one of the following statements is incorrect?

Which of these flight control surfaces aid in roll control?

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

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

How many spoiler panels are used as speedbrakes?

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

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

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 happens if uncommanded stabilizer motion is sensed?

Are the PFCs and ACEs used in direct mode?

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

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

What is wheel to rudder cross-tie?

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

When do the alternate pitch trim levers move the stabilizer?

Which of the following are NOT stall protection features?

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

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

What is FALSE about Flap/Slat Load Relief?

What does the EICAS message FLIGHT CONTROL MODE indicate?

Under what conditions does the SPEEDBRAKE EXTENDED EICAS message display?

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

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

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

What is true about turn compensation?

Which of the following is not a stall protection feature?

What is FALSE about stabilizer trim?

Which one of the following statements is false?

What principle is used when direct mode is in use?

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

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

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

Which trim control is inhibited when the autopilot is engaged?

What control do the flaperons and ailerons provide?