Boeing B777 - Flight controls

Which one of the following statements is incorrect?

Spoilers 4 and 11 are mechanically operated.

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

The spoilers augment roll control.

Spoilers 5 and 10 are available as ground spoilers only.

Correct! Wrong!

What control do the flaperons and ailerons provide?

Pitch control assisted by a movable horizontal stabilizer.

Roll control assisted by asymmetric spoilers.

Yaw control assisted by the rudder.

Increased wing lift and decreased stall speed.

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.

9.5 degrees.

8 degrees.

7.5 degrees.

Correct! Wrong!

When do the alternate pitch trim levers move the stabilizer?

During flight control secondary and direct modes.

When the autopilot is disengaged.

The levers move the stabilizer directly at all times.

Only on the ground.

Correct! Wrong!

Are the PFCs and ACEs used in direct mode?

Only PFCs

It is not possible.

Both PFCs and ACEs

Only ACEs

Correct! Wrong!

What does stall warning consist of?

Stick shaker followed by stall warning.

Stick shaker but NO stall warning.

EICAS message 'STALL'.

Stall warning horn.

Correct! Wrong!

What happens if uncommanded stabilizer motion is sensed?

Power to the affected STCM is shut off.

The stabilizer is locked in place.

Power to all STCMs is shut off.

The A/P engages automatically.

Correct! Wrong!

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

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.

Speedbrake is UP after landing.

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

Correct! Wrong!

How many spoiler panels are used as speedbrakes?

A total of 12 spoiler panels.

A total of 14 spoiler panels.

A total of 8 spoiler panels.

A total of 10 spoiler panels.

Correct! Wrong!

What is FALSE about stabilizer trim?

As airspeed increases, trim rate increases.

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

As airspeed increases, trim rate decreases.

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

Correct! Wrong!

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

Protection features are NOT available.

The system operates in direct mode

Autopilot is not available.

All statements are correct.

Correct! Wrong!

What is true about turn compensation?

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

The turn compensation switch is on the overhead panel.

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

It is available only in the secondary mode.

Correct! Wrong!

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

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

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

The centre stabilizer control path is inoperative

Stabilizer asymmetry compensation is inoperative.

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 the correct statement?

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.

All statements are correct.

Aileron trim in inhibited when the autopilot is engaged.

Correct! Wrong!

Which trim control is inhibited when the autopilot is engaged?

Trim control pitch

Alternate control pitch trim.

Alternate pitch trim levers.

Control wheel pitch trim switches.

Correct! Wrong!

When does TAC automatically add rudder to minimize yaw?

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

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

When an engine is at idle thrust.

When the engine is damaged or surges.

Correct! Wrong!

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

When the landing gear is extended.

During airspeed changes only.

When thrust is changed.

For all configuration changes.

Correct! Wrong!

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

Primary Flight Computers (PFCs).

Power Control Units (PCUs).

Position feedback transducers.

Actuator Control Electronics (ACES).

Correct! Wrong!

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

During engine out go-arounds.

Only on the ground.

Only during approaches.

All the time.

Correct! Wrong!

When do the PFCs make self-test?

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

After hydraulic system depressurization.

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

After hydraulic system pressurization.

Correct! Wrong!

What principle is used when direct mode is in use?

Mechanical linkage.

Direct control surface deflection.

Electric signals.

Hydraulic signal modulation.

Correct! Wrong!

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

Flaperons and slats.

Krueger flaps and slats.

Slats only.

Flaperons.

Correct! Wrong!

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

Electric.

Hydraulic.

Pneumatic.

Mechanical.

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 of the following are NOT stall protection features?

In landing configuration, leading slats move to gapped position.

Stick shaker activates.

The auto-throttle advances to maintain minimum airspeed.

The auto-throttle disconnects.

Correct! Wrong!

Which of these flight control surfaces aid in roll control?

Flaperons and slats.

Slats and spoilers only.

Krueger flaps, slats and spoilers.

Ailerons, flaperons and spoilers.

Correct! Wrong!

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

The FMC weight entry and CG may be incorrect.

The stabilizer position indicator is unreliable.

All statements are correct.

Power to the stabilizer position indicator is lost.

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 and landing.

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

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

Correct! Wrong!

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

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

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

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

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

Correct! Wrong!

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

The green band and the pointer are not displayed

The CDU displays the VERIFY TRIM message in the scratchpad

The green band on the indicator turns amber

The EICAS message STAB GREENBAND displays

Correct! Wrong!

Do the ailerons increase lift for takeoff?

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

No the ailerons are used only at high speed

Yes the ailerons move down with flaps 15 and 20.

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

Correct! Wrong!

What does the EICAS message FLIGHT CONTROL MODE indicate?

Flight control system is operating in the secondary mode.

Flight control system faults are detected.

The Flap/Slat electronics units are inoperative.

Multiple flight control surfaces are inoperative.

Correct! Wrong!

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

Ailerons, flaperons and flaps.

Ailerons, flaperons and spoilers.

Ailerons, flaperons and elevators.

Ailerons, flaperons and slats.

Correct! Wrong!

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

During flap extension or retraction

During airspeed changes.

All statements are correct.

During speedbrake extension or retraction.

Correct! Wrong!

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

Secondary FCC.

Electro hydraulic servos.

Primary Flight Computers (PFCs).

Actuator Control Electronics (ACES).

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!

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

Direct.

Secondary.

All flight control modes.

Normal.

Correct! Wrong!

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

220 knot.

210 knot.

200 knot.

180 knot.

Correct! Wrong!

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

Spoilers 1 and 14

Spolers 5 and 10

Spoilers 8 to 14

Spoilers 1 to 7

Correct! Wrong!

What does the PRI FLIGHT COMPUTERS EICAS message indicate?

The system is in primary mode.

The system is in direct mode

Flight control modes are not affected.

The system is in the secondary mode.

Correct! Wrong!

Which of the following is not a stall protection feature?

The pilot must apply continuous aft column force to maintain airspeed below the manoeuvring 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 out-of-trim forces increase above normal for a condition above the minimum manoeuvre speed.

Correct! Wrong!

What can you say about the FLAPS DRIVE EICAS message?

The flaps will operate in secondary mode.

Arm the alternate system.

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

The EICAS flap indicator display turns magenta.

Correct! Wrong!

Under what conditions does the SPEEDBRAKE EXTENDED EICAS message display?

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

Any time speed-brakes are extended.

After landing, if speed-brakes fail to extend.

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

Correct! Wrong!

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

Only during landing, on CDU.

Only in flight, on control wheel.

Only on the ground, on pitch trim indicators.

Always on EICAS

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!

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

Spoilers 1-7

Spoilers 5,10

Spoilers 4,11

None. Speedbrakes are disabled.

Correct! Wrong!

Which statement is NOT true regarding the flap position indicator?

The flap position indicator is on the PFD.

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

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

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

Correct! Wrong!

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

Envelope protection features are NOT available.

Autopilot and envelope protection are NOT available.

All spoilers remain usable.

Thrust Asymmetry is NOT available.

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.

The Primary Flight Computers (PFCs) are NOT available.

Autopilot and envelope are NOT available.

Correct! Wrong!

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

Disconnects hydraulic supply to STCM.

Disable direct rudder control.

Connects hydraulic supply to STCM.

Engages gust suppression.

Correct! Wrong!

What is wheel to rudder cross-tie?

Ability to dampen Dutch roll with control wheel only.

Ability to control rudder trim with control wheel inputs.

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

Ability to override rudder inputs with the control wheel inputs.

Correct! Wrong!

Which of these flight control surfaces assist in roll control?

Slats and spoilers.

Flaperons and slats.

Ailerons and flaperons.

Slats only.

Correct! Wrong!

Boeing B777 – Flight controls

Quiz

Boeing B777 - Flight controls

Which one of the following statements is incorrect?

What control do the flaperons and ailerons provide?

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?

When do the alternate pitch trim levers move the stabilizer?

Are the PFCs and ACEs used in direct mode?

What does stall warning consist of?

What happens if uncommanded stabilizer motion is sensed?

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

How many spoiler panels are used as speedbrakes?

What is FALSE about stabilizer trim?

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

What is true about turn compensation?

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

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

What is the correct statement?

Which trim control is inhibited when the autopilot is engaged?

When does TAC automatically add rudder to minimize yaw?

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

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?

When do the PFCs make self-test?

What principle is used when direct mode is in use?

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

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

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

Which of the following are NOT stall protection features?

Which of these flight control surfaces aid in roll control?

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

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

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

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

Do the ailerons increase lift for takeoff?

What does the EICAS message FLIGHT CONTROL MODE indicate?

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:

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

What is FALSE about Flap/Slat Load Relief?

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

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

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

What does the PRI FLIGHT COMPUTERS EICAS message indicate?

Which of the following is not a stall protection feature?

What can you say about the FLAPS DRIVE EICAS message?

Under what conditions does the SPEEDBRAKE EXTENDED EICAS message display?

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

Which one of the following statements is false?

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

Which statement is NOT true regarding the flap position indicator?

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

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

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

What is wheel to rudder cross-tie?

Which of these flight control surfaces assist in roll control?