Boeing B777 - Flight controls

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

Autopilot is not available.

Protection features are NOT available.

The system operates in direct mode

All statements are correct.

Correct! Wrong!

What is FALSE about Flap/Slat Load Relief?

Re-extension is limited to the commended flap position.

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.

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

Correct! Wrong!

What does stall warning consist of?

Stick shaker but NO stall warning.

Stick shaker followed by stall warning.

Stall warning horn.

EICAS message 'STALL'.

Correct! Wrong!

What does the PRI FLIGHT COMPUTERS EICAS message indicate?

Flight control modes are not affected.

The system is in direct mode

The system is in the secondary mode.

The system is in primary mode.

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!

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!

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

Disconnects hydraulic supply to STCM.

Engages gust suppression.

Connects hydraulic supply to STCM.

Disable direct rudder control.

Correct! Wrong!

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

Ailerons, flaperons and slats.

Ailerons, flaperons and flaps.

Ailerons, flaperons and spoilers.

Ailerons, flaperons and elevators.

Correct! Wrong!

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

Slats only.

Krueger flaps and slats.

Flaperons and slats.

Flaperons.

Correct! Wrong!

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

Always on EICAS

Only in flight, on control wheel.

Only during landing, on CDU.

Only on the ground, on pitch trim indicators.

Correct! Wrong!

Under what conditions does the SPEEDBRAKE EXTENDED EICAS message display?

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.

Any time speed-brakes are extended.

After landing, if speed-brakes fail to extend.

Correct! Wrong!

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

Stabilizer asymmetry compensation is inoperative.

The centre stabilizer control path is inoperative

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

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

Correct! Wrong!

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

The autopilot is available.

The Primary Flight Computers (PFCs) are NOT available.

Envelope protection features are NOT available.

Actuator Control Electronics (ACES) are NOT available.

Correct! Wrong!

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

Power to the stabilizer position indicator is lost.

The FMC weight entry and CG may be incorrect.

All statements are correct.

The stabilizer position indicator is unreliable.

Correct! Wrong!

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

During airspeed changes.

During speedbrake extension or retraction.

All statements are correct.

During flap extension or retraction

Correct! Wrong!

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

Spoilers 5 and 8.

Spoilers 1 and 14.

Spoilers 4 and 11.

Spoilers 5 and 10.

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.

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.

The pilot must apply continuous aft column force to maintain airspeed below the manoeuvring speed.

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, approach and landing.

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

Take-off, rejected take-off and approach.

Correct! Wrong!

Which of the following are NOT stall protection features?

The auto-throttle disconnects.

In landing configuration, leading slats move to gapped position.

The auto-throttle advances to maintain minimum airspeed.

Stick shaker activates.

Correct! Wrong!

What principle is used when direct mode is in use?

Mechanical linkage.

Electric signals.

Direct control surface deflection.

Hydraulic signal modulation.

Correct! Wrong!

What does the EICAS message FLIGHT CONTROL MODE indicate?

Flight control system is operating in the secondary mode.

Flight control system faults are detected.

The Flap/Slat electronics units are inoperative.

Multiple flight control surfaces are inoperative.

Correct! Wrong!

When do the alternate pitch trim levers move the stabilizer?

The levers move the stabilizer directly at all times.

During flight control secondary and direct modes.

Only on the ground.

When the autopilot is disengaged.

Correct! Wrong!

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

During engine out go-arounds.

Only during approaches.

Only on the ground.

All the time.

Correct! Wrong!

Which of these flight control surfaces aid in roll control?

Krueger flaps, slats and spoilers.

Slats and spoilers only.

Flaperons and slats.

Ailerons, flaperons and spoilers.

Correct! Wrong!

What control do the flaperons and ailerons provide?

Pitch control assisted by a movable horizontal stabilizer.

Roll control assisted by asymmetric spoilers.

Increased wing lift and decreased stall speed.

Yaw control assisted by the rudder.

Correct! Wrong!

What is FALSE about stabilizer trim?

As airspeed increases, trim rate decreases.

As airspeed increases, trim rate increases.

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

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

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!

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

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.

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

Correct! Wrong!

How many spoiler panels are used as speedbrakes?

A total of 8 spoiler panels.

A total of 14 spoiler panels.

A total of 10 spoiler panels.

A total of 12 spoiler panels.

Correct! Wrong!

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

All flight control modes.

Normal.

Secondary.

Direct.

Correct! Wrong!

Which of these flight control surfaces assist in roll control?

Ailerons and flaperons.

Slats and spoilers.

Flaperons and slats.

Slats only.

Correct! Wrong!

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

Actuator Control Electronics (ACES).

Power Control Units (PCUs).

Primary Flight Computers (PFCs).

Position feedback transducers.

Correct! Wrong!

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

Spoilers 4,11

Spoilers 1-7

Spoilers 5,10

None. Speedbrakes are disabled.

Correct! Wrong!

Which trim control is inhibited when the autopilot is engaged?

Alternate pitch trim levers.

Alternate control pitch trim.

Trim control pitch

Control wheel pitch trim switches.

Correct! Wrong!

What can you say about the FLAPS DRIVE EICAS message?

The EICAS flap indicator display turns magenta.

Arm the alternate system.

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

The flaps will operate in secondary mode.

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

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

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 OFF.

Correct! Wrong!

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

When thrust is changed.

When the landing gear is extended.

For all configuration changes.

During airspeed changes only.

Correct! Wrong!

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

220 knot.

210 knot.

200 knot.

180 knot.

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!

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.

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

The turn compensation switch is on the overhead panel.

Correct! Wrong!

When do the PFCs make self-test?

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

After hydraulic system pressurization.

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

After hydraulic system depressurization.

Correct! Wrong!

What is wheel to rudder cross-tie?

Ability to override rudder inputs with the control wheel inputs.

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.

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 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.

Correct! Wrong!

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

Actuator Control Electronics (ACES).

Electro hydraulic servos.

Secondary FCC.

Primary Flight Computers (PFCs).

Correct! Wrong!

Are the PFCs and ACEs used in direct mode?

Only ACEs

Both PFCs and ACEs

It is not possible.

Only PFCs

Correct! Wrong!

Which one of the following statements is incorrect?

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

Spoilers 4 and 11 are mechanically operated.

Spoilers 5 and 10 are available as ground spoilers only.

The spoilers augment roll control.

Correct! Wrong!

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

The EICAS message STAB GREENBAND displays

The green band and the pointer are not displayed

The green band on the indicator turns amber

The CDU displays the VERIFY TRIM message in the scratchpad

Correct! Wrong!

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

Pneumatic.

Mechanical.

Electric.

Hydraulic.

Correct! Wrong!

Do the ailerons increase lift for takeoff?

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.

No the ailerons are used only at high speed

Correct! Wrong!

Which one of the following statements is false?

When augmenting roll control, the spoilers work asymmetrically.

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

There are 12 spoilers.

Spoilers 4 and 11 are mechanically operated.

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 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.

Autopilot and envelope are NOT available.

The Primary Flight Computers (PFCs) are NOT available.

Correct! Wrong!

Boeing B777 – Flight controls

Quiz

Boeing B777 - Flight controls

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

What is FALSE about Flap/Slat Load Relief?

What does stall warning consist of?

What does the PRI FLIGHT COMPUTERS EICAS message indicate?

What happens if uncommanded stabilizer motion is sensed?

Which statement is NOT true regarding the flap position indicator?

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

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

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

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

Under what conditions does the SPEEDBRAKE EXTENDED EICAS message display?

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

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

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

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

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

Which of the following is not a stall protection feature?

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

Which of the following are NOT stall protection features?

What principle is used when direct mode is in use?

What does the EICAS message FLIGHT CONTROL MODE indicate?

When do the alternate pitch trim levers move the stabilizer?

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

Which of these flight control surfaces aid in roll control?

What control do the flaperons and ailerons provide?

What is FALSE about stabilizer trim?

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 causes the SPEEDNRAKE EXTENDED message to display on the EICAS?

How many spoiler panels are used as speedbrakes?

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

Which of these flight control surfaces assist in roll control?

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

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

Which trim control is inhibited when the autopilot is engaged?

What can you say about the FLAPS DRIVE EICAS message?

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

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

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

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

What is the correct statement?

What is true about turn compensation?

When do the PFCs make self-test?

What is wheel to rudder cross-tie?

When does TAC automatically add rudder to minimize yaw?

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

Are the PFCs and ACEs used in direct mode?

Which one of the following statements is incorrect?

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

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

Do the ailerons increase lift for takeoff?

Which one of the following statements is false?

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?