Boeing B777 - Flight controls

What does stall warning consist of?

Stick shaker but NO stall warning.

EICAS message 'STALL'.

Stick shaker followed by stall warning.

Stall warning horn.

Correct! Wrong!

When does TAC automatically add rudder to minimize yaw?

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.

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

Correct! Wrong!

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

Ailerons, flaperons and elevators.

Ailerons, flaperons and flaps.

Ailerons, flaperons and spoilers.

Ailerons, flaperons and slats.

Correct! Wrong!

Which statement is NOT true regarding the flap position indicator?

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.

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!

Are the PFCs and ACEs used in direct mode?

It is not possible.

Only PFCs

Only ACEs

Both PFCs and ACEs

Correct! Wrong!

Under what conditions does the SPEEDBRAKE EXTENDED EICAS message display?

After landing, if speed-brakes fail to extend.

Any time speed-brakes are extended.

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

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

Correct! Wrong!

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

Spoilers 5 and 10.

Spoilers 4 and 11.

Spoilers 5 and 8.

Spoilers 1 and 14.

Correct! Wrong!

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

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.

Take-off, rejected take-off and approach.

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 NORMAL FLAPS selector to 20.

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

Correct! Wrong!

What is true about turn compensation?

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

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.

Correct! Wrong!

What is the correct statement?

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

All statements are correct.

Aileron trim in inhibited when the autopilot is engaged.

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

Correct! Wrong!

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

Spoilers 8 to 14

Spoilers 1 and 14

Spolers 5 and 10

Spoilers 1 to 7

Correct! Wrong!

Which of these flight control surfaces assist in roll control?

Flaperons and slats.

Ailerons and flaperons.

Slats only.

Slats and spoilers.

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?

8 degrees.

7.5 degrees.

13 degrees.

9.5 degrees.

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!

Do the ailerons increase lift for takeoff?

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.

Yes the ailerons move down with flaps 15 and 20.

Correct! Wrong!

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

None. Speedbrakes are disabled.

Spoilers 1-7

Spoilers 5,10

Spoilers 4,11

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

Protection features are NOT available.

Autopilot is not available.

The system operates in direct mode

All statements are correct.

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!

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

Actuator Control Electronics (ACES).

Primary Flight Computers (PFCs).

Position feedback transducers.

Power Control Units (PCUs).

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

Mechanical.

Hydraulic.

Pneumatic.

Electric.

Correct! Wrong!

Which trim control is inhibited when the autopilot is engaged?

Trim control pitch

Alternate pitch trim levers.

Alternate control pitch trim.

Control wheel pitch trim switches.

Correct! Wrong!

What principle is used when direct mode is in use?

Electric signals.

Hydraulic signal modulation.

Mechanical linkage.

Direct control surface deflection.

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!

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

Actuator Control Electronics (ACES) are NOT available.

Autopilot and envelope are NOT available.

Envelope protection features are available.

The Primary Flight Computers (PFCs) are NOT available.

Correct! Wrong!

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

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

The centre stabilizer control path is inoperative

Stabilizer asymmetry compensation is inoperative.

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

Correct! Wrong!

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

For all configuration changes.

When thrust is changed.

When the landing gear is extended.

During airspeed changes only.

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 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.

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.

Actuator Control Electronics (ACES) are NOT available.

The Primary Flight Computers (PFCs) are NOT available.

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.

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!

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!

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!

Which one of the following statements is false?

When augmenting roll control, the spoilers work asymmetrically.

Spoilers 4 and 11 are mechanically operated.

There are 12 spoilers.

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

Correct! Wrong!

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

Disconnects hydraulic supply to STCM.

Disable direct rudder control.

Engages gust suppression.

Connects hydraulic supply to STCM.

Correct! Wrong!

Which of these flight control surfaces aid in roll control?

Ailerons, flaperons and spoilers.

Flaperons and slats.

Krueger flaps, slats and spoilers.

Slats and spoilers only.

Correct! Wrong!

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

Direct.

Secondary.

Normal.

All flight control modes.

Correct! Wrong!

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

Flaperons.

Flaperons and slats.

Krueger flaps and slats.

Slats only.

Correct! Wrong!

When do the alternate pitch trim levers move the stabilizer?

When the autopilot is disengaged.

During flight control secondary and direct modes.

Only on the ground.

The levers move the stabilizer directly at all times.

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 flap extension or retraction

During speedbrake extension or retraction.

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!

What can you say about the FLAPS DRIVE EICAS message?

The EICAS flap indicator display turns magenta.

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

The flaps will operate in secondary mode.

Arm the alternate system.

Correct! Wrong!

Which one of the following statements is incorrect?

Spoilers 5 and 10 are available as ground spoilers only.

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

The spoilers augment roll control.

Spoilers 4 and 11 are mechanically operated.

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 of the following are NOT stall protection features?

The auto-throttle disconnects.

The auto-throttle advances to maintain minimum airspeed.

Stick shaker activates.

In landing configuration, leading slats move to gapped position.

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 EICAS message STAB GREENBAND displays

The green band on the indicator turns amber

The green band and the pointer are not displayed

Correct! Wrong!

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

Only on the ground.

During engine out go-arounds.

All the time.

Only during approaches.

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.

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.

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

Correct! Wrong!

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

Power to the stabilizer position indicator is lost.

The stabilizer position indicator is unreliable.

The FMC weight entry and CG may be incorrect.

All statements are correct.

Correct! Wrong!

What is FALSE about stabilizer trim?

As airspeed increases, trim rate increases.

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

As airspeed increases, trim rate decreases.

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

Correct! Wrong!

How many spoiler panels are used as speedbrakes?

A total of 12 spoiler panels.

A total of 8 spoiler panels.

A total of 14 spoiler panels.

A total of 10 spoiler panels.

Correct! Wrong!

Boeing B777 – Flight controls

Quiz

Boeing B777 - Flight controls

What does stall warning consist of?

When does TAC automatically add rudder to minimize yaw?

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

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?

Are the PFCs and ACEs used in direct mode?

Under what conditions does the SPEEDBRAKE EXTENDED EICAS message display?

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

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 is true about turn compensation?

What is the correct statement?

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

Which of these flight control surfaces assist in roll control?

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?

Do the ailerons increase lift for takeoff?

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

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

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

What does the EICAS message FLIGHT CONTROL MODE indicate?

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

When do the PFCs make self-test?

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

Which trim control is inhibited when the autopilot is engaged?

What principle is used when direct mode is in use?

What does the PRI FLIGHT COMPUTERS EICAS message indicate?

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

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

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

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

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

What is FALSE about Flap/Slat Load Relief?

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

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

Which one of the following statements is false?

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

Which of these flight control surfaces aid in roll control?

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

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

When do the alternate pitch trim levers move the stabilizer?

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

What is wheel to rudder cross-tie?

What can you say about the FLAPS DRIVE EICAS message?

Which one of the following statements is incorrect?

What control do the flaperons and ailerons provide?

Which of the following are NOT stall protection features?

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

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

Which of the following is not a stall protection feature?

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

What is FALSE about stabilizer trim?

How many spoiler panels are used as speedbrakes?