Boeing B777 – Flight controls - SmartCockpit - Airline training guides, Aviation, Operations, Safety

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!

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.

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

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

Correct! Wrong!

Which of the following are NOT stall protection features?

Stick shaker activates.

In landing configuration, leading slats move to gapped position.

The auto-throttle disconnects.

The auto-throttle advances to maintain minimum airspeed.

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 not available if the bank angle is above 30 degrees.

It is available only in the secondary mode.

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!

What can you say about the FLAPS DRIVE EICAS message?

The EICAS flap indicator display turns magenta.

The flaps will operate in secondary mode.

Arm the alternate system.

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

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.

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.

Correct! Wrong!

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

Position feedback transducers.

Actuator Control Electronics (ACES).

Power Control Units (PCUs).

Primary Flight Computers (PFCs).

Correct! Wrong!

What is the correct statement?

Aileron trim in inhibited when the autopilot is engaged.

All statements are correct.

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!

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

The green band on the indicator turns amber

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

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!

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!

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

Direct.

Normal.

All flight control modes.

Secondary.

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

When an engine is at idle thrust.

Correct! Wrong!

What is wheel to rudder cross-tie?

Ability to dampen Dutch roll with control wheel only.

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

Ability to override rudder inputs with the control wheel inputs.

Ability to control rudder trim with control wheel inputs.

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 FALSE about Flap/Slat Load Relief?

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.

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

Re-extension is limited to the commended flap position.

Correct! Wrong!

Do the ailerons increase lift for takeoff?

Yes the ailerons move down with flaps 5, 15 and 20.

No the ailerons are used only at high speed

Yes the ailerons move down with flaps 15 and 20.

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

Correct! Wrong!

Which one of the following statements is false?

There are 12 spoilers.

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

Spoilers 4 and 11 are mechanically operated.

When augmenting roll control, the spoilers work asymmetrically.

Correct! Wrong!

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

180 knot.

210 knot.

220 knot.

200 knot.

Correct! Wrong!

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

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

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

Stabilizer asymmetry compensation is inoperative.

The centre stabilizer control path is inoperative

Correct! Wrong!

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

Always on EICAS

Only during landing, on CDU.

Only in flight, on control wheel.

Only on the ground, on pitch trim indicators.

Correct! Wrong!

Under what conditions does the SPEEDBRAKE EXTENDED EICAS message display?

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.

After landing, if speed-brakes fail to extend.

Correct! Wrong!

Are the PFCs and ACEs used in direct mode?

Both PFCs and ACEs

Only ACEs

Only PFCs

It is not possible.

Correct! Wrong!

What principle is used when direct mode is in use?

Direct control surface deflection.

Hydraulic signal modulation.

Mechanical linkage.

Electric signals.

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!

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

All statements are correct.

Autopilot is not available.

The system operates in direct mode

Protection features are NOT available.

Correct! Wrong!

Which one of the following statements is incorrect?

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

Spoilers 5 and 10 are available as ground spoilers only.

Spoilers 4 and 11 are mechanically operated.

The spoilers augment roll control.

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!

Which statement is NOT true regarding the flap position indicator?

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.

There are three different displays: Primary, Secondary and Alternate.

Correct! Wrong!

Which trim control is inhibited when the autopilot is engaged?

Alternate pitch trim levers.

Alternate control pitch trim.

Control wheel pitch trim switches.

Trim control pitch

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.

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.

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.

7.5 degrees.

9.5 degrees.

Correct! Wrong!

What control do the flaperons and ailerons provide?

Roll control assisted by asymmetric spoilers.

Increased wing lift and decreased stall speed.

Pitch control assisted by a movable horizontal stabilizer.

Yaw control assisted by the rudder.

Correct! Wrong!

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

Thrust Asymmetry is NOT available.

Envelope protection features are NOT available.

All spoilers remain usable.

Autopilot and envelope protection are NOT available.

Correct! Wrong!

Which of these flight control surfaces aid in roll control?

Slats and spoilers only.

Flaperons and slats.

Krueger flaps, slats and spoilers.

Ailerons, flaperons and spoilers.

Correct! Wrong!

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

Mechanical.

Hydraulic.

Electric.

Pneumatic.

Correct! Wrong!

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

Electro hydraulic servos.

Secondary FCC.

Actuator Control Electronics (ACES).

Primary Flight Computers (PFCs).

Correct! Wrong!

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

Flaperons.

Slats only.

Flaperons and slats.

Krueger flaps and slats.

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 happens if uncommanded stabilizer motion is sensed?

The A/P engages automatically.

Power to the affected STCM is shut off.

The stabilizer is locked in place.

Power to all STCMs is shut off.

Correct! Wrong!

When do the alternate pitch trim levers move the stabilizer?

Only on the ground.

During flight control secondary and direct modes.

The levers move the stabilizer directly at all times.

When the autopilot is disengaged.

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.

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.

Correct! Wrong!

What does stall warning consist of?

Stall warning horn.

EICAS message 'STALL'.

Stick shaker but NO stall warning.

Stick shaker followed by stall warning.

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!

What does the PRI FLIGHT COMPUTERS EICAS message indicate?

The system is in primary mode.

Flight control modes are not affected.

The system is in direct mode

The system is in the secondary mode.

Correct! Wrong!

What does the EICAS message FLIGHT CONTROL MODE indicate?

Flight control system faults are detected.

The Flap/Slat electronics units are inoperative.

Multiple flight control surfaces are inoperative.

Flight control system is operating in the secondary mode.

Correct! Wrong!

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

Spoilers 5,10

Spoilers 4,11

Spoilers 1-7

None. Speedbrakes are disabled.

Correct! Wrong!

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

Envelope protection features are available.

Actuator Control Electronics (ACES) are NOT available.

The Primary Flight Computers (PFCs) are NOT available.

Autopilot and envelope are NOT available.

Correct! Wrong!

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

Spoilers 5 and 8.

Spoilers 4 and 11.

Spoilers 5 and 10.

Spoilers 1 and 14.

Correct! Wrong!

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

Disable direct rudder control.

Engages gust suppression.

Connects hydraulic supply to STCM.

Disconnects hydraulic supply to STCM.

Correct! Wrong!

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

Spoilers 1 to 7

Spolers 5 and 10

Spoilers 8 to 14

Spoilers 1 and 14

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 pressurization.

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

Correct! Wrong!

Boeing B777 – Flight controls