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

What principle is used when direct mode is in use?

Direct control surface deflection.

Electric signals.

Mechanical linkage.

Hydraulic signal modulation.

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.

8 degrees.

9.5 degrees.

13 degrees.

Correct! Wrong!

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

Ailerons, flaperons and elevators.

Ailerons, flaperons and slats.

Ailerons, flaperons and spoilers.

Ailerons, flaperons and flaps.

Correct! Wrong!

What happens if uncommanded stabilizer motion is sensed?

Power to the affected STCM is shut off.

The A/P engages automatically.

Power to all STCMs is shut off.

The stabilizer is locked in place.

Correct! Wrong!

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

220 knot.

180 knot.

210 knot.

200 knot.

Correct! Wrong!

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

Electric.

Pneumatic.

Mechanical.

Hydraulic.

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!

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

Normal.

All flight control modes.

Direct.

Secondary.

Correct! Wrong!

When do the PFCs make self-test?

After hydraulic system pressurization.

After hydraulic system depressurization.

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

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

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?

Trim control pitch

Control wheel pitch trim switches.

Alternate pitch trim levers.

Alternate control pitch trim.

Correct! Wrong!

Under what conditions does the SPEEDBRAKE EXTENDED EICAS message display?

After landing, if speed-brakes fail to extend.

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.

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!

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 5 and 10 are available as ground spoilers only.

Spoilers 4 and 11 are mechanically operated.

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!

When do the alternate pitch trim levers move the stabilizer?

When the autopilot is disengaged.

Only on the ground.

The levers move the stabilizer directly at all times.

During flight control secondary and direct modes.

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 airspeed changes.

During flap extension or retraction

Correct! Wrong!

What does stall warning consist of?

Stick shaker followed by stall warning.

Stick shaker but NO stall warning.

EICAS message 'STALL'.

Stall warning horn.

Correct! Wrong!

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

Only on the ground.

Only during approaches.

During engine out go-arounds.

All the time.

Correct! Wrong!

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

Connects hydraulic supply to STCM.

Disconnects hydraulic supply to STCM.

Engages gust suppression.

Disable direct rudder control.

Correct! Wrong!

What does the EICAS message FLIGHT CONTROL MODE indicate?

Multiple flight control surfaces are inoperative.

The Flap/Slat electronics units are inoperative.

Flight control system is operating in the secondary mode.

Flight control system faults are detected.

Correct! Wrong!

Which of the following are NOT stall protection features?

In landing configuration, leading slats move to gapped position.

The auto-throttle disconnects.

The auto-throttle advances to maintain minimum airspeed.

Stick shaker activates.

Correct! Wrong!

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

Primary Flight Computers (PFCs).

Power Control Units (PCUs).

Position feedback transducers.

Actuator Control Electronics (ACES).

Correct! Wrong!

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

The system operates in direct mode

Protection features are NOT available.

All statements are correct.

Autopilot is not available.

Correct! Wrong!

Which of these flight control surfaces aid in roll control?

Ailerons, flaperons and spoilers.

Slats and spoilers only.

Krueger flaps, slats and spoilers.

Flaperons and slats.

Correct! Wrong!

What can you say about the FLAPS DRIVE EICAS message?

The EICAS flap indicator display turns magenta.

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

The flaps will operate in secondary mode.

Arm the alternate system.

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!

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

Spoilers 1-7

None. Speedbrakes are disabled.

Spoilers 5,10

Spoilers 4,11

Correct! Wrong!

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

The green band and the pointer are not displayed

The EICAS message STAB GREENBAND displays

The CDU displays the VERIFY TRIM message in the scratchpad

The green band on the indicator turns amber

Correct! Wrong!

Which of the following is not a stall protection feature?

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.

The out-of-trim forces increase above normal for a condition above the minimum manoeuvre speed.

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!

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!

What is true about turn compensation?

The turn compensation switch is on the overhead panel.

It is available only in the secondary mode.

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

Elevator input is NOT required if the airplane is in a 30 degree bank.

Correct! Wrong!

What is FALSE about stabilizer trim?

As airspeed increases, trim rate decreases.

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

As airspeed increases, trim rate increases.

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

Correct! Wrong!

What does the PRI FLIGHT COMPUTERS EICAS message indicate?

Flight control modes are not affected.

The system is in the secondary mode.

The system is in direct mode

The system is in primary mode.

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

The autopilot is available.

Envelope protection features are NOT available.

Actuator Control Electronics (ACES) are NOT available.

The Primary Flight Computers (PFCs) are NOT available.

Correct! Wrong!

Do the ailerons increase lift for takeoff?

No the ailerons are used only at high speed

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

Yes the ailerons move down with flaps 15 and 20.

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

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!

What is wheel to rudder cross-tie?

Ability to control rudder trim with control wheel inputs.

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

Ability to dampen Dutch roll with control wheel only.

Ability to override rudder inputs with the control wheel inputs.

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!

When does TAC automatically add rudder to minimize yaw?

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

When the engine is damaged or surges.

When an engine is at idle thrust.

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

Correct! Wrong!

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

During airspeed changes only.

For all configuration changes.

When the landing gear is extended.

When thrust is changed.

Correct! Wrong!

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

Flaperons and slats.

Flaperons.

Slats only.

Krueger flaps and slats.

Correct! Wrong!

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

Spoilers 1 and 14

Spoilers 1 to 7

Spolers 5 and 10

Spoilers 8 to 14

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.

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 NORMAL FLAPS selector to 20.

Correct! Wrong!

What control do the flaperons and ailerons provide?

Yaw control assisted by the rudder.

Pitch control assisted by a movable horizontal stabilizer.

Roll control assisted by asymmetric spoilers.

Increased wing lift and decreased stall speed.

Correct! Wrong!

Are the PFCs and ACEs used in direct mode?

Only PFCs

Only ACEs

Both PFCs and ACEs

It is not possible.

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.

Moving the alternate pitch trim levers with the autopilot engaged does not move the stabilizer.

Aileron trim in inhibited when the autopilot is engaged.

Correct! Wrong!

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

Spoilers 4 and 11.

Spoilers 5 and 10.

Spoilers 1 and 14.

Spoilers 5 and 8.

Correct! Wrong!

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

Primary Flight Computers (PFCs).

Secondary FCC.

Actuator Control Electronics (ACES).

Electro hydraulic servos.

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.

Autopilot and envelope are NOT available.

Envelope protection features are available.

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, approach and landing.

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

Take-off, rejected take-off and landing.

Correct! Wrong!

Boeing B777 – Flight controls