Boeing B777 - Flight controls

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 stall warning consist of?

EICAS message 'STALL'.

Stick shaker but NO stall warning.

Stall warning horn.

Stick shaker followed by stall warning.

Correct! Wrong!

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

Power to the stabilizer position indicator is lost.

All statements are correct.

The FMC weight entry and CG may be incorrect.

The stabilizer position indicator is unreliable.

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 is on the PFD.

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!

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.

After landing, if speed-brakes fail to extend.

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

Correct! Wrong!

What can you say about the FLAPS DRIVE EICAS message?

Arm the alternate system.

The EICAS flap indicator display turns magenta.

The flaps will operate in secondary mode.

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

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 approach below 200 feet.

Take-off, rejected take-off and landing.

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

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.

Stabilizer asymmetry compensation is inoperative.

The centre stabilizer control path is inoperative

Correct! Wrong!

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

Speedbrake is UP after landing.

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

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 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 spoilers will be locked out in secondary and direct modes?

Spolers 5 and 10

Spoilers 1 to 7

Spoilers 8 to 14

Spoilers 1 and 14

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

All statements are correct.

During speedbrake extension or retraction.

During airspeed changes.

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

Only on the ground.

During engine out go-arounds.

Only during approaches.

All the time.

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

Pneumatic.

Hydraulic.

Mechanical.

Electric.

Correct! Wrong!

Do the ailerons increase lift for takeoff?

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

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.

Correct! Wrong!

Which trim control is inhibited when the autopilot is engaged?

Alternate control pitch trim.

Alternate pitch trim levers.

Trim control pitch

Control wheel pitch trim switches.

Correct! Wrong!

Which one of the following statements is false?

There are 12 spoilers.

When augmenting roll control, the spoilers work asymmetrically.

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

Spoilers 4 and 11 are mechanically operated.

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.

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

As airspeed increases, trim rate decreases.

Correct! Wrong!

What principle is used when direct mode is in use?

Hydraulic signal modulation.

Direct control surface deflection.

Electric signals.

Mechanical linkage.

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!

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

Primary Flight Computers (PFCs).

Position feedback transducers.

Power Control Units (PCUs).

Actuator Control Electronics (ACES).

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 on the indicator turns amber

The green band and the pointer are not displayed

The EICAS message STAB GREENBAND displays

Correct! Wrong!

When do the alternate pitch trim levers move the stabilizer?

During flight control secondary and direct modes.

When the autopilot is disengaged.

Only on the ground.

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.

Always on EICAS

Only during landing, on CDU.

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.

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

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

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

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.

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.

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

Correct! Wrong!

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

Slats only.

Krueger flaps and slats.

Flaperons.

Flaperons and slats.

Correct! Wrong!

When does TAC automatically add rudder to minimize yaw?

When the engine is damaged or surges.

When an engine is at idle thrust.

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

Spoilers 1 and 14.

Spoilers 4 and 11.

Spoilers 5 and 8.

Spoilers 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 autopilot is available.

The Primary Flight Computers (PFCs) are NOT available.

Actuator Control Electronics (ACES) are NOT available.

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!

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

Disconnects hydraulic supply to STCM.

Connects hydraulic supply to STCM.

Disable direct rudder control.

Engages gust suppression.

Correct! Wrong!

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

Normal.

Direct.

All flight control modes.

Secondary.

Correct! Wrong!

What is wheel to rudder cross-tie?

Ability to override rudder inputs with the control wheel inputs.

Ability to control rudder trim with control wheel inputs.

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

Ability to dampen Dutch roll with control wheel only.

Correct! Wrong!

Which of the following are NOT stall protection features?

Stick shaker activates.

The auto-throttle advances to maintain minimum airspeed.

The auto-throttle disconnects.

In landing configuration, leading slats move to gapped position.

Correct! Wrong!

Are the PFCs and ACEs used in direct mode?

It is not possible.

Only PFCs

Both PFCs and ACEs

Only ACEs

Correct! Wrong!

What does the EICAS message FLIGHT CONTROL MODE indicate?

Flight control system is operating in the secondary mode.

The Flap/Slat electronics units are inoperative.

Multiple flight control surfaces are inoperative.

Flight control system faults are detected.

Correct! Wrong!

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

The system operates in direct mode

Protection features are NOT available.

Autopilot is not available.

All statements are correct.

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.

All statements are correct.

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

Correct! Wrong!

When do the PFCs make self-test?

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

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

After hydraulic system pressurization.

After hydraulic system depressurization.

Correct! Wrong!

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

Spoilers 1-7

Spoilers 5,10

None. Speedbrakes are disabled.

Spoilers 4,11

Correct! Wrong!

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

210 knot.

220 knot.

180 knot.

200 knot.

Correct! Wrong!

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

Ailerons, flaperons and spoilers.

Ailerons, flaperons and elevators.

Ailerons, flaperons and flaps.

Ailerons, flaperons and slats.

Correct! Wrong!

What is true about turn compensation?

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

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 available only in the secondary mode.

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!

Which of these flight control surfaces assist in roll control?

Ailerons and flaperons.

Slats and spoilers.

Slats only.

Flaperons and slats.

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 FALSE about Flap/Slat Load Relief?

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

Re-extension is limited to the commended flap position.

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

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

Correct! Wrong!

What does the PRI FLIGHT COMPUTERS EICAS message indicate?

The system is in primary mode.

The system is in the secondary mode.

Flight control modes are not affected.

The system is in direct mode

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

The Primary Flight Computers (PFCs) are NOT available.

Autopilot and envelope are NOT available.

Actuator Control Electronics (ACES) are NOT available.

Envelope protection features are available.

Correct! Wrong!

Boeing B777 – Flight controls

Quiz

Boeing B777 - Flight controls

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

What does stall warning consist of?

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

Which statement is NOT true regarding the flap position indicator?

Under what conditions does the SPEEDBRAKE EXTENDED EICAS message display?

What can you say about the FLAPS DRIVE EICAS message?

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

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

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

What happens if uncommanded stabilizer motion is sensed?

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

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 aid in roll control?

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

How many spoiler panels are used as speedbrakes?

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

Do the ailerons increase lift for takeoff?

Which trim control is inhibited when the autopilot is engaged?

Which one of the following statements is false?

What is FALSE about stabilizer trim?

What principle is used when direct mode is in use?

What control do the flaperons and ailerons provide?

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

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

When do the alternate pitch trim levers move the stabilizer?

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

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

Which of the following is not a stall protection feature?

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

When does TAC automatically add rudder to minimize yaw?

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

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

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

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

What is wheel to rudder cross-tie?

Which of the following are NOT stall protection features?

Are the PFCs and ACEs used in direct mode?

What does the EICAS message FLIGHT CONTROL MODE indicate?

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

What is the correct statement?

When do the PFCs make self-test?

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

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

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

What is true about turn compensation?

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

Which of these flight control surfaces assist in roll control?

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?

What does the PRI FLIGHT COMPUTERS EICAS message indicate?

Which one of the following statements is incorrect?

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