Boeing B777 - Flight controls

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

Spoilers 8 to 14

Spoilers 1 and 14

Spoilers 1 to 7

Spolers 5 and 10

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.

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

Connects hydraulic supply to STCM.

Disable direct rudder control.

Disconnects hydraulic supply to STCM.

Engages gust suppression.

Correct! Wrong!

Which of these flight control surfaces aid in roll control?

Slats and spoilers only.

Krueger flaps, slats and spoilers.

Flaperons and slats.

Ailerons, flaperons and spoilers.

Correct! Wrong!

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

All statements are correct.

During speedbrake extension or retraction.

During flap extension or retraction

During airspeed changes.

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 is the correct statement?

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.

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

Correct! Wrong!

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

Spoilers 1 and 14.

Spoilers 5 and 10.

Spoilers 5 and 8.

Spoilers 4 and 11.

Correct! Wrong!

When do the alternate pitch trim levers move the stabilizer?

Only on the ground.

When the autopilot is disengaged.

The levers move the stabilizer directly at all times.

During flight control secondary and direct modes.

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.

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

Re-extension is limited to the commended flap position.

Correct! Wrong!

What is FALSE about stabilizer trim?

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

As airspeed increases, trim rate increases.

As airspeed increases, trim rate decreases.

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

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!

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

Thrust Asymmetry is NOT available.

Autopilot and envelope protection are NOT available.

All spoilers remain usable.

Envelope protection features are NOT available.

Correct! Wrong!

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

Slats only.

Flaperons and slats.

Flaperons.

Krueger flaps and slats.

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 can you say about the FLAPS DRIVE EICAS message?

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

The flaps will operate in secondary mode.

The EICAS flap indicator display turns magenta.

Arm the alternate system.

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 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.

Correct! Wrong!

Which of these flight control surfaces assist in roll control?

Slats and spoilers.

Ailerons and flaperons.

Slats only.

Flaperons and slats.

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 does the EICAS message FLIGHT CONTROL MODE indicate?

Flight control system is operating in the secondary mode.

The Flap/Slat electronics units are inoperative.

Flight control system faults are detected.

Multiple flight control surfaces are inoperative.

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.

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.

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!

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

All flight control modes.

Secondary.

Normal.

Direct.

Correct! Wrong!

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

Hydraulic.

Mechanical.

Pneumatic.

Electric.

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.

Speedbrake is UP after landing.

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.

Correct! Wrong!

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

All the time.

Only during approaches.

During engine out go-arounds.

Only on the ground.

Correct! Wrong!

What does stall warning consist of?

Stick shaker but NO stall warning.

EICAS message 'STALL'.

Stall warning horn.

Stick shaker followed by stall warning.

Correct! Wrong!

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

Ailerons, flaperons and elevators.

Ailerons, flaperons and spoilers.

Ailerons, flaperons and slats.

Ailerons, flaperons and flaps.

Correct! Wrong!

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

Stabilizer asymmetry compensation is inoperative.

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

The centre stabilizer control path is inoperative

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

Correct! Wrong!

What is true about turn compensation?

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.

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

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

The Primary Flight Computers (PFCs) are NOT available.

Envelope protection features are available.

Autopilot and envelope are NOT available.

Actuator Control Electronics (ACES) are NOT available.

Correct! Wrong!

Are the PFCs and ACEs used in direct mode?

Only ACEs

It is not possible.

Both PFCs and ACEs

Only PFCs

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.

Stick shaker activates.

The auto-throttle disconnects.

Correct! Wrong!

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

The EICAS message STAB GREENBAND displays

The green band on the indicator turns amber

The CDU displays the VERIFY TRIM message in the scratchpad

The green band and the pointer are not displayed

Correct! Wrong!

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

Always on EICAS

Only during landing, on CDU.

Only on the ground, on pitch trim indicators.

Only in flight, on control wheel.

Correct! Wrong!

Under what conditions does the SPEEDBRAKE EXTENDED EICAS message display?

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

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.

Correct! Wrong!

Which trim control is inhibited when the autopilot is engaged?

Control wheel pitch trim switches.

Alternate pitch trim levers.

Trim control pitch

Alternate control pitch trim.

Correct! Wrong!

What happens if uncommanded stabilizer motion is sensed?

Power to all STCMs is shut off.

The stabilizer is locked in place.

The A/P engages automatically.

Power to the affected STCM is shut off.

Correct! Wrong!

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

Power Control Units (PCUs).

Position feedback transducers.

Primary Flight Computers (PFCs).

Actuator Control Electronics (ACES).

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.

The Primary Flight Computers (PFCs) are NOT available.

Envelope protection features are NOT available.

The autopilot is available.

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!

What principle is used when direct mode is in use?

Hydraulic signal modulation.

Direct control surface deflection.

Electric signals.

Mechanical linkage.

Correct! Wrong!

Which one of the following statements is incorrect?

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

The spoilers augment roll control.

Spoilers 4 and 11 are mechanically operated.

Spoilers 5 and 10 are available as ground spoilers 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?

13 degrees.

8 degrees.

9.5 degrees.

7.5 degrees.

Correct! Wrong!

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

For all configuration changes.

During airspeed changes only.

When the landing gear is extended.

When thrust is changed.

Correct! Wrong!

What control do the flaperons and ailerons provide?

Roll control assisted by asymmetric spoilers.

Pitch control assisted by a movable horizontal stabilizer.

Increased wing lift and decreased stall speed.

Yaw control assisted by the rudder.

Correct! Wrong!

What is wheel to rudder cross-tie?

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

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.

Correct! Wrong!

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

200 knot.

220 knot.

180 knot.

210 knot.

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!

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

None. Speedbrakes are disabled.

Spoilers 5,10

Spoilers 1-7

Spoilers 4,11

Correct! Wrong!

What does the PRI FLIGHT COMPUTERS EICAS message indicate?

Flight control modes are not affected.

The system is in primary mode.

The system is in direct mode

The system is in the secondary mode.

Correct! Wrong!

Boeing B777 – Flight controls

Quiz

Boeing B777 - Flight controls

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

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

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

Which of these flight control surfaces aid in roll control?

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

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

What is the correct statement?

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

When do the alternate pitch trim levers move the stabilizer?

What is FALSE about Flap/Slat Load Relief?

What is FALSE about stabilizer trim?

Do the ailerons increase lift for takeoff?

When do the PFCs make self-test?

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

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

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

What can you say about the FLAPS DRIVE EICAS message?

Which statement is NOT true regarding the flap position indicator?

Which of these flight control surfaces assist in roll control?

How many spoiler panels are used as speedbrakes?

What does the EICAS message FLIGHT CONTROL MODE indicate?

Which of the following is not a stall protection feature?

Which one of the following statements is false?

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

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

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

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

What does stall warning consist of?

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

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

What is true about turn compensation?

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

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

Are the PFCs and ACEs used in direct mode?

Which of the following are NOT stall protection features?

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

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

Under what conditions does the SPEEDBRAKE EXTENDED EICAS message display?

Which trim control is inhibited when the autopilot is engaged?

What happens if uncommanded stabilizer motion is sensed?

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

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?

What principle is used when direct mode is in use?

Which one of the following statements is incorrect?

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

What control do the flaperons and ailerons provide?

What is wheel to rudder cross-tie?

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

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

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

What does the PRI FLIGHT COMPUTERS EICAS message indicate?