Boeing B777 - Flight controls

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

Envelope protection features are available.

The Primary Flight Computers (PFCs) are NOT available.

Actuator Control Electronics (ACES) are NOT available.

Autopilot and envelope are NOT available.

Correct! Wrong!

Which one of the following statements is incorrect?

Spoilers 5 and 10 are available as ground spoilers only.

Spoilers 4 and 11 are mechanically operated.

The spoilers augment roll control.

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

Correct! Wrong!

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

Spoilers 1 and 14.

Spoilers 5 and 8.

Spoilers 4 and 11.

Spoilers 5 and 10.

Correct! Wrong!

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

Autopilot and envelope protection are NOT available.

Thrust Asymmetry is NOT available.

All spoilers remain usable.

Envelope protection features are NOT available.

Correct! Wrong!

What does the PRI FLIGHT COMPUTERS EICAS message indicate?

The system is in the secondary mode.

The system is in primary mode.

Flight control modes are not affected.

The system is in direct mode

Correct! Wrong!

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

180 knot.

210 knot.

200 knot.

220 knot.

Correct! Wrong!

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

Hydraulic.

Pneumatic.

Mechanical.

Electric.

Correct! Wrong!

Which of the following are NOT stall protection features?

The auto-throttle advances to maintain minimum airspeed.

In landing configuration, leading slats move to gapped position.

The auto-throttle disconnects.

Stick shaker activates.

Correct! Wrong!

What is FALSE about stabilizer trim?

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

Correct! Wrong!

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

Disable direct rudder control.

Connects hydraulic supply to STCM.

Disconnects hydraulic supply to STCM.

Engages gust suppression.

Correct! Wrong!

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

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

Take-off, rejected take-off and approach.

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

Take-off, rejected take-off and landing.

Correct! Wrong!

Under what conditions does the SPEEDBRAKE EXTENDED EICAS message display?

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.

After landing, if speed-brakes fail to extend.

Correct! Wrong!

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

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

Stabilizer asymmetry compensation is inoperative.

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

The centre stabilizer control path is inoperative

Correct! Wrong!

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

Secondary FCC.

Electro hydraulic servos.

Actuator Control Electronics (ACES).

Primary Flight Computers (PFCs).

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!

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!

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!

What is the correct statement?

Aileron trim in inhibited when the autopilot is engaged.

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

All statements are correct.

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!

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 is operating in the secondary mode.

Flight control system faults are detected.

Correct! Wrong!

What principle is used when direct mode is in use?

Direct control surface deflection.

Electric signals.

Mechanical linkage.

Hydraulic signal modulation.

Correct! Wrong!

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

Direct.

Secondary.

Normal.

All flight control modes.

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.

For all configuration changes.

When thrust is changed.

Correct! Wrong!

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

The CDU displays the VERIFY TRIM message in the scratchpad

The green band and the pointer are not displayed

The EICAS message STAB GREENBAND displays

The green band on the indicator turns amber

Correct! Wrong!

Do the ailerons increase lift for takeoff?

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

No the ailerons are used only at high speed

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

Yes the ailerons move down with flaps 15 and 20.

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 is FALSE about Flap/Slat Load Relief?

Re-extension is limited to the commended flap position.

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.

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

Correct! Wrong!

Which of these flight control surfaces assist in roll control?

Slats and spoilers.

Slats only.

Ailerons and flaperons.

Flaperons and slats.

Correct! Wrong!

Are the PFCs and ACEs used in direct mode?

Only PFCs

It is not possible.

Only ACEs

Both PFCs and ACEs

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 EXT.

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

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

Correct! Wrong!

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

Only during approaches.

During engine out go-arounds.

Only on the ground.

All the time.

Correct! Wrong!

What happens if uncommanded stabilizer motion is sensed?

The stabilizer is locked in place.

Power to the affected STCM is shut off.

Power to all STCMs is shut off.

The A/P engages automatically.

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.

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.

Correct! Wrong!

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

Autopilot is not available.

All statements are correct.

The system operates in direct mode

Protection features are NOT available.

Correct! Wrong!

What control do the flaperons and ailerons provide?

Yaw control assisted by the rudder.

Pitch control assisted by a movable horizontal stabilizer.

Increased wing lift and decreased stall speed.

Roll control assisted by asymmetric spoilers.

Correct! Wrong!

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

Ailerons, flaperons and slats.

Ailerons, flaperons and elevators.

Ailerons, flaperons and spoilers.

Ailerons, flaperons and flaps.

Correct! Wrong!

What is wheel to rudder cross-tie?

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

Ability to override rudder inputs with the control wheel inputs.

Ability to control rudder trim with control wheel inputs.

Ability to dampen Dutch roll with control wheel only.

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.

8 degrees.

13 degrees.

7.5 degrees.

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!

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

Primary Flight Computers (PFCs).

Actuator Control Electronics (ACES).

Position feedback transducers.

Power Control Units (PCUs).

Correct! Wrong!

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

Spoilers 1 and 14

Spoilers 8 to 14

Spoilers 1 to 7

Spolers 5 and 10

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 Primary Flight Computers (PFCs) are NOT available.

Actuator Control Electronics (ACES) are NOT available.

The autopilot is available.

Correct! Wrong!

When does TAC automatically add rudder to minimize yaw?

When an engine is at idle thrust.

When the engine is damaged or surges.

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.

Correct! Wrong!

Which statement is NOT true regarding the flap position indicator?

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.

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

Correct! Wrong!

Which of these flight control surfaces aid in roll control?

Slats and spoilers only.

Ailerons, flaperons and spoilers.

Krueger flaps, slats and spoilers.

Flaperons and slats.

Correct! Wrong!

When do the PFCs make self-test?

After hydraulic system depressurization.

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

After hydraulic system pressurization.

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

Correct! Wrong!

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

Flaperons.

Slats only.

Flaperons and slats.

Krueger flaps and slats.

Correct! Wrong!

When do the alternate pitch trim levers move the stabilizer?

When the autopilot is disengaged.

Only on the ground.

During flight control secondary and direct modes.

The levers move the stabilizer directly at all times.

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 14 spoiler panels.

A total of 12 spoiler panels.

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.

All statements are correct.

During flap extension or retraction

During airspeed changes.

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 extended when radio altitude is between 15 and 800 ft.

Speedbrake is UP after landing.

Correct! Wrong!

Which one of the following statements is false?

There are 12 spoilers.

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

Spoilers 4 and 11 are mechanically operated.

When augmenting roll control, the spoilers work asymmetrically.

Correct! Wrong!

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

Only during landing, on CDU.

Only on the ground, on pitch trim indicators.

Only in flight, on control wheel.

Always on EICAS

Correct! Wrong!

Boeing B777 – Flight controls

Quiz

Boeing B777 - Flight controls

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

Which one of the following statements is incorrect?

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

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

What does the PRI FLIGHT COMPUTERS EICAS message indicate?

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

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

Which of the following are NOT stall protection features?

What is FALSE about stabilizer trim?

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

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

Under what conditions does the SPEEDBRAKE EXTENDED EICAS message display?

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

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

What can you say about the FLAPS DRIVE EICAS message?

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

What does stall warning consist of?

What is the correct statement?

Which of the following is not a stall protection feature?

What does the EICAS message FLIGHT CONTROL MODE indicate?

What principle is used when direct mode is in use?

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

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

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

Do the ailerons increase lift for takeoff?

Which trim control is inhibited when the autopilot is engaged?

What is FALSE about Flap/Slat Load Relief?

Which of these flight control surfaces assist in roll control?

Are the PFCs and ACEs used in direct mode?

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

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

What happens if uncommanded stabilizer motion is sensed?

What is true about turn compensation?

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

What control do the flaperons and ailerons provide?

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

What is wheel to rudder cross-tie?

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?

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

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

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

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

When does TAC automatically add rudder to minimize yaw?

Which statement is NOT true regarding the flap position indicator?

Which of these flight control surfaces aid in roll control?

When do the PFCs make self-test?

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

When do the alternate pitch trim levers move the stabilizer?

How many spoiler panels are used as speedbrakes?

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

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

Which one of the following statements is false?

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