Boeing B777 - Flight controls

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.

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

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

Correct! Wrong!

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

The stabilizer position indicator is unreliable.

All statements are correct.

Power to the stabilizer position indicator is lost.

The FMC weight entry and CG may be incorrect.

Correct! Wrong!

Which of the following are NOT stall protection features?

In landing configuration, leading slats move to gapped position.

The auto-throttle disconnects.

The auto-throttle advances to maintain minimum airspeed.

Stick shaker activates.

Correct! Wrong!

When do the alternate pitch trim levers move the stabilizer?

When the autopilot is disengaged.

The levers move the stabilizer directly at all times.

During flight control secondary and direct modes.

Only on the ground.

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!

How many spoiler panels are used as speedbrakes?

A total of 10 spoiler panels.

A total of 12 spoiler panels.

A total of 8 spoiler panels.

A total of 14 spoiler panels.

Correct! Wrong!

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

When the landing gear is extended.

For all configuration changes.

During airspeed changes only.

When thrust is changed.

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!

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?

7.5 degrees.

13 degrees.

9.5 degrees.

8 degrees.

Correct! Wrong!

Are the PFCs and ACEs used in direct mode?

Both PFCs and ACEs

Only PFCs

It is not possible.

Only ACEs

Correct! Wrong!

What is the correct statement?

All statements are correct.

Aileron trim in inhibited when the autopilot is engaged.

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.

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!

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 EICAS message STAB GREENBAND displays

The green band on the indicator turns amber

Correct! Wrong!

When do the PFCs make self-test?

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

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

After hydraulic system pressurization.

After hydraulic system depressurization.

Correct! Wrong!

When does TAC automatically add rudder to minimize yaw?

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

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

When an engine is at idle thrust.

When the engine is damaged or surges.

Correct! Wrong!

What is true about turn compensation?

It is available only in the secondary mode.

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.

The turn compensation switch is on the overhead panel.

Correct! Wrong!

Which trim control is inhibited when the autopilot is engaged?

Control wheel pitch trim switches.

Alternate control pitch trim.

Trim control pitch

Alternate pitch trim levers.

Correct! Wrong!

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

Speedbrake is UP after landing.

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

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

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

Correct! Wrong!

What is FALSE about Flap/Slat Load Relief?

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

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

Re-extension is limited to the commended flap position.

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

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!

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

Direct.

Secondary.

Normal.

All flight control modes.

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!

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 override rudder inputs with the control wheel inputs.

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

Correct! Wrong!

What does the EICAS message FLIGHT CONTROL MODE indicate?

The Flap/Slat electronics units are inoperative.

Flight control system is operating in the secondary mode.

Flight control system faults are detected.

Multiple flight control surfaces are inoperative.

Correct! Wrong!

What does the PRI FLIGHT COMPUTERS EICAS message indicate?

The system is in primary mode.

The system is in direct mode

The system is in the secondary mode.

Flight control modes are not affected.

Correct! Wrong!

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

Spoilers 8 to 14

Spoilers 1 to 7

Spoilers 1 and 14

Spolers 5 and 10

Correct! Wrong!

Under what conditions does the SPEEDBRAKE EXTENDED EICAS message display?

After landing, if speed-brakes fail to extend.

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

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

Disable direct rudder control.

Disconnects hydraulic supply to STCM.

Engages gust suppression.

Connects hydraulic supply to STCM.

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!

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

Thrust Asymmetry is NOT available.

All spoilers remain usable.

Envelope protection features are NOT available.

Autopilot and envelope protection are NOT available.

Correct! Wrong!

What principle is used when direct mode is in use?

Hydraulic signal modulation.

Electric signals.

Direct control surface deflection.

Mechanical linkage.

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).

Power Control Units (PCUs).

Position feedback transducers.

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 these flight control surfaces assist in roll control?

Flaperons and slats.

Slats only.

Ailerons and flaperons.

Slats and spoilers.

Correct! Wrong!

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

Pneumatic.

Hydraulic.

Mechanical.

Electric.

Correct! Wrong!

What control do the flaperons and ailerons provide?

Increased wing lift and decreased stall speed.

Yaw control assisted by the rudder.

Pitch control assisted by a movable horizontal stabilizer.

Roll control assisted by asymmetric spoilers.

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!

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.

Arm the alternate system.

The flaps will operate in secondary mode.

Correct! Wrong!

Which of the following is not a stall protection feature?

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.

The out-of-trim forces increase above normal for a condition above the minimum manoeuvre speed.

Correct! Wrong!

Do the ailerons increase lift for takeoff?

Yes the ailerons move down with flaps 15 and 20.

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.

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!

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!

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

Secondary FCC.

Actuator Control Electronics (ACES).

Primary Flight Computers (PFCs).

Electro hydraulic servos.

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.

All statements are correct.

During flap extension or retraction

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!

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

All statements are correct.

Protection features are NOT available.

The system operates in direct mode

Autopilot is not available.

Correct! Wrong!

What happens if uncommanded stabilizer motion is sensed?

The A/P engages automatically.

The stabilizer is locked in place.

Power to the affected STCM is shut off.

Power to all STCMs is shut off.

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!

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

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

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

Take-off, rejected take-off and landing.

Take-off, rejected take-off and approach.

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!

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 maximum speed of wheel to rudder cross-tie operation?

200 knot.

180 knot.

210 knot.

220 knot.

Correct! Wrong!

Which one of the following statements is incorrect?

Spoilers 4 and 11 are mechanically operated.

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.

Correct! Wrong!

Boeing B777 – Flight controls

Quiz

Boeing B777 - Flight controls

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

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

Which of the following are NOT stall protection features?

When do the alternate pitch trim levers move the stabilizer?

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

How many spoiler panels are used as speedbrakes?

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

What does stall warning consist of?

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?

Are the PFCs and ACEs used in direct mode?

What is the correct statement?

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

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

When do the PFCs make self-test?

When does TAC automatically add rudder to minimize yaw?

What is true about turn compensation?

Which trim control is inhibited when the autopilot is engaged?

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

What is FALSE about Flap/Slat Load Relief?

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

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

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

What is wheel to rudder cross-tie?

What does the EICAS message FLIGHT CONTROL MODE indicate?

What does the PRI FLIGHT COMPUTERS EICAS message indicate?

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

Under what conditions does the SPEEDBRAKE EXTENDED EICAS message display?

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

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

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

What principle is used when direct mode is in use?

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

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

Which of these flight control surfaces assist in roll control?

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

What control do the flaperons and ailerons provide?

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

What can you say about the FLAPS DRIVE EICAS message?

Which of the following is not a stall protection feature?

Do the ailerons increase lift for takeoff?

Which one of the following statements is false?

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

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

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

What is FALSE about stabilizer trim?

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

What happens if uncommanded stabilizer motion is sensed?

Which statement is NOT true regarding the flap position indicator?

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

Which of these flight control surfaces aid in roll control?

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

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

Which one of the following statements is incorrect?