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

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

Spoilers 5,10

Spoilers 1-7

Spoilers 4,11

None. Speedbrakes are disabled.

Correct! Wrong!

When do the alternate pitch trim levers move the stabilizer?

Only on the ground.

During flight control secondary and direct modes.

When the autopilot is disengaged.

The levers move the stabilizer directly at all times.

Correct! Wrong!

What is FALSE about Flap/Slat Load Relief?

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.

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

Correct! Wrong!

What control do the flaperons and ailerons provide?

Yaw control assisted by the rudder.

Increased wing lift and decreased stall speed.

Pitch control assisted by a movable horizontal stabilizer.

Roll control assisted by asymmetric spoilers.

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.

Autopilot and envelope are NOT available.

Actuator Control Electronics (ACES) are NOT available.

Envelope protection features are available.

Correct! Wrong!

How many spoiler panels are used as speedbrakes?

A total of 14 spoiler panels.

A total of 12 spoiler panels.

A total of 10 spoiler panels.

A total of 8 spoiler panels.

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!

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 correct statement?

All statements are correct.

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

Aileron trim in inhibited when the autopilot is engaged.

Correct! Wrong!

What principle is used when direct mode is in use?

Direct control surface deflection.

Electric signals.

Mechanical linkage.

Hydraulic signal modulation.

Correct! Wrong!

Which one of the following statements is false?

When augmenting roll control, the spoilers work asymmetrically.

There are 12 spoilers.

Spoilers 4 and 11 are mechanically operated.

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

Correct! Wrong!

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

The system operates in direct mode

Autopilot is not available.

Protection features are NOT available.

All statements are correct.

Correct! Wrong!

Which statement is NOT true regarding the flap position indicator?

The flap position indicator is on the PFD.

The flap position indicator appears on EICAS when flaps begin to extend.

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

The flap position indicator is magenta when slats and flaps are in transit.

Correct! Wrong!

Are the PFCs and ACEs used in direct mode?

Both PFCs and ACEs

Only PFCs

Only ACEs

It is not possible.

Correct! Wrong!

When does TAC automatically add rudder to minimize yaw?

When an engine is at idle thrust.

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

When the engine is damaged or surges.

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

Correct! Wrong!

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

Actuator Control Electronics (ACES).

Position feedback transducers.

Primary Flight Computers (PFCs).

Power Control Units (PCUs).

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

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

Stabilizer asymmetry compensation is inoperative.

Correct! Wrong!

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

Krueger flaps and slats.

Slats only.

Flaperons and slats.

Flaperons.

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!

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!

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!

Which trim control is inhibited when the autopilot is engaged?

Trim control pitch

Control wheel pitch trim switches.

Alternate control pitch trim.

Alternate pitch trim levers.

Correct! Wrong!

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

Spoilers 5 and 10.

Spoilers 1 and 14.

Spoilers 5 and 8.

Spoilers 4 and 11.

Correct! Wrong!

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

Envelope protection features are NOT available.

The autopilot is available.

Actuator Control Electronics (ACES) are NOT available.

The Primary Flight Computers (PFCs) are NOT available.

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!

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!

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

Autopilot and envelope protection are NOT available.

Envelope protection features are NOT available.

Thrust Asymmetry is NOT available.

All spoilers remain usable.

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!

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!

Which of these flight control surfaces aid in roll control?

Ailerons, flaperons and spoilers.

Flaperons and slats.

Slats and spoilers only.

Krueger flaps, 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?

7.5 degrees.

9.5 degrees.

13 degrees.

8 degrees.

Correct! Wrong!

What happens if uncommanded stabilizer motion is sensed?

The A/P engages automatically.

Power to all STCMs is shut off.

Power to the affected STCM is shut off.

The stabilizer is locked in place.

Correct! Wrong!

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

All statements are correct.

The stabilizer position indicator is unreliable.

Power to the stabilizer position indicator is lost.

The FMC weight entry and CG may be incorrect.

Correct! Wrong!

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

Normal.

All flight control modes.

Direct.

Secondary.

Correct! Wrong!

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

Ailerons, flaperons and elevators.

Ailerons, flaperons and spoilers.

Ailerons, flaperons and flaps.

Ailerons, flaperons and slats.

Correct! Wrong!

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

200 knot.

210 knot.

220 knot.

180 knot.

Correct! Wrong!

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

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

Take-off, rejected take-off and approach.

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

Take-off, rejected take-off and landing.

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 ALT FLAPS selector to OFF.

Arm ALT FLAPS ARM switch. Select NORMAL FLAPS selector to 20.

Correct! Wrong!

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

Spoilers 1 to 7

Spoilers 8 to 14

Spoilers 1 and 14

Spolers 5 and 10

Correct! Wrong!

What is wheel to rudder cross-tie?

Ability to override rudder inputs with the control wheel inputs.

Ability to control rudder trim with control wheel inputs.

Ability to dampen Dutch roll with control wheel only.

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

Correct! Wrong!

What does the EICAS message FLIGHT CONTROL MODE indicate?

Flight control system faults are detected.

Multiple flight control surfaces are inoperative.

Flight control system is operating in the secondary mode.

The Flap/Slat electronics units are inoperative.

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 green band on the indicator turns amber

The EICAS message STAB GREENBAND displays

Correct! Wrong!

Which one of the following statements is incorrect?

Spoilers 4 and 11 are mechanically operated.

The spoilers augment roll control.

Spoilers 5 and 10 are available as ground spoilers only.

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

Correct! Wrong!

Do the ailerons increase lift for takeoff?

Yes the ailerons move down with flaps 15 and 20.

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.

Correct! Wrong!

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

Always on EICAS

Only on the ground, on pitch trim indicators.

Only in flight, on control wheel.

Only during landing, on CDU.

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 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.

Correct! Wrong!

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

All the time.

During engine out go-arounds.

Only on the ground.

Only during approaches.

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!

Which of these flight control surfaces assist in roll control?

Slats only.

Slats and spoilers.

Ailerons and flaperons.

Flaperons and slats.

Correct! Wrong!

When do the PFCs make self-test?

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

After hydraulic system depressurization.

After hydraulic system pressurization.

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

Correct! Wrong!

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

Mechanical.

Pneumatic.

Electric.

Hydraulic.

Correct! Wrong!

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

Actuator Control Electronics (ACES).

Secondary FCC.

Primary Flight Computers (PFCs).

Electro hydraulic servos.

Correct! Wrong!

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

Engages gust suppression.

Connects hydraulic supply to STCM.

Disable direct rudder control.

Disconnects hydraulic supply to STCM.

Correct! Wrong!

Boeing B777 – Flight controls