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

What is wheel to rudder cross-tie?

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.

Ability to override rudder inputs with the control wheel inputs.

Correct! Wrong!

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

Flaperons and slats.

Slats only.

Krueger flaps and slats.

Flaperons.

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

220 knot.

200 knot.

210 knot.

180 knot.

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 one of the following statements is false?

When augmenting roll control, the spoilers work asymmetrically.

Spoilers 4 and 11 are mechanically operated.

There are 12 spoilers.

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

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 is FALSE about stabilizer 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.

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

Correct! Wrong!

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

Ailerons, flaperons and slats.

Ailerons, flaperons and spoilers.

Ailerons, flaperons and elevators.

Ailerons, flaperons and flaps.

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!

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.

7.5 degrees.

9.5 degrees.

8 degrees.

Correct! Wrong!

Are the PFCs and ACEs used in direct mode?

Only ACEs

Only PFCs

Both PFCs and ACEs

It is not possible.

Correct! Wrong!

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

The green band on the indicator turns amber

The CDU displays the VERIFY TRIM message in the scratchpad

The EICAS message STAB GREENBAND displays

The green band and the pointer are not displayed

Correct! Wrong!

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

Pneumatic.

Hydraulic.

Mechanical.

Electric.

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 are NOT stall protection features?

In landing configuration, leading slats move to gapped position.

Stick shaker activates.

The auto-throttle advances to maintain minimum airspeed.

The auto-throttle disconnects.

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 happens if uncommanded stabilizer motion is sensed?

The A/P engages automatically.

Power to all STCMs is shut off.

The stabilizer is locked in place.

Power to the affected STCM is shut off.

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

Stabilizer asymmetry compensation is inoperative.

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

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.

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.

Stab trim is inhibited in the nose up direction at approximately the minimum manoeuvring speed.

Correct! Wrong!

When does TAC automatically add rudder to minimize yaw?

When an engine is at idle thrust.

When the engine is damaged or surges.

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.

Correct! Wrong!

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

Only on the ground.

During engine out go-arounds.

All the time.

Only during approaches.

Correct! Wrong!

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

Electro hydraulic servos.

Primary Flight Computers (PFCs).

Actuator Control Electronics (ACES).

Secondary FCC.

Correct! Wrong!

Which trim control is inhibited when the autopilot is engaged?

Alternate pitch trim levers.

Control wheel pitch trim switches.

Alternate control pitch trim.

Trim control pitch

Correct! Wrong!

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

All spoilers remain usable.

Envelope protection features are NOT available.

Autopilot and envelope protection are NOT available.

Thrust Asymmetry is NOT available.

Correct! Wrong!

Which of these flight control surfaces assist in roll control?

Slats only.

Ailerons and flaperons.

Flaperons and slats.

Slats and spoilers.

Correct! Wrong!

What does the PRI FLIGHT COMPUTERS EICAS message indicate?

The system is in primary mode.

The system is in direct mode

Flight control modes are not affected.

The system is in the secondary mode.

Correct! Wrong!

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

Spoilers 1 to 7

Spoilers 1 and 14

Spoilers 8 to 14

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 NORMAL FLAPS selector to 20.

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

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

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

Correct! Wrong!

What does the EICAS message FLIGHT CONTROL MODE indicate?

Flight control system faults are detected.

Flight control system is operating in the secondary mode.

Multiple flight control surfaces are inoperative.

The Flap/Slat electronics units are inoperative.

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!

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 flap extension or retraction

During airspeed changes.

All statements are correct.

Correct! Wrong!

What is FALSE about Flap/Slat Load Relief?

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

Re-extension is limited to the commended flap position.

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.

Correct! Wrong!

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

Autopilot is not available.

The system operates in direct mode

Protection features are NOT available.

All statements are correct.

Correct! Wrong!

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

Disconnects hydraulic supply to STCM.

Disable direct rudder control.

Connects hydraulic supply to STCM.

Engages gust suppression.

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!

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

Spoilers 4,11

Spoilers 5,10

Spoilers 1-7

None. Speedbrakes are disabled.

Correct! Wrong!

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

Power Control Units (PCUs).

Primary Flight Computers (PFCs).

Position feedback transducers.

Actuator Control Electronics (ACES).

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!

What principle is used when direct mode is in use?

Direct control surface deflection.

Mechanical linkage.

Hydraulic signal modulation.

Electric signals.

Correct! Wrong!

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

Take-off, rejected take-off and approach.

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

Take-off, rejected take-off and landing.

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

Correct! Wrong!

Which statement is NOT true regarding the flap position indicator?

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 on the PFD.

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

Correct! Wrong!

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

Spoilers 5 and 10.

Spoilers 5 and 8.

Spoilers 4 and 11.

Spoilers 1 and 14.

Correct! Wrong!

What is true about turn compensation?

It is available only in the secondary mode.

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.

Correct! Wrong!

What control do the flaperons and ailerons provide?

Roll control assisted by asymmetric spoilers.

Yaw control assisted by the rudder.

Pitch control assisted by a movable horizontal stabilizer.

Increased wing lift and decreased stall speed.

Correct! Wrong!

How many spoiler panels are used as speedbrakes?

A total of 14 spoiler panels.

A total of 10 spoiler panels.

A total of 8 spoiler panels.

A total of 12 spoiler panels.

Correct! Wrong!

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

Direct.

All flight control modes.

Normal.

Secondary.

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 15 and 20.

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

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

Correct! Wrong!

Which one of the following statements is incorrect?

Spoilers 4 and 11 are mechanically operated.

The spoilers augment roll control.

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

Spoilers 5 and 10 are available as ground spoilers only.

Correct! Wrong!

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

The FMC weight entry and CG may be incorrect.

Power to the stabilizer position indicator is lost.

The stabilizer position indicator is unreliable.

All statements are correct.

Correct! Wrong!

Which of these flight control surfaces aid in roll control?

Ailerons, flaperons and spoilers.

Krueger flaps, slats and spoilers.

Flaperons and slats.

Slats and spoilers only.

Correct! Wrong!

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

Only in flight, on control wheel.

Only during landing, on CDU.

Always on EICAS

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.

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.

Correct! Wrong!

Boeing B777 – Flight controls