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

When do the PFCs make self-test?

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

After hydraulic system pressurization.

After hydraulic system depressurization.

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

Correct! Wrong!

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

Only in flight, on control wheel.

Only during landing, on CDU.

Only on the ground, on pitch trim indicators.

Always on EICAS

Correct! Wrong!

Do the ailerons increase lift for takeoff?

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.

No the ailerons are used only at high speed

Correct! Wrong!

Which of these flight control surfaces assist in roll control?

Slats and spoilers.

Slats only.

Ailerons and flaperons.

Flaperons and slats.

Correct! Wrong!

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

Disconnects hydraulic supply to STCM.

Connects hydraulic supply to STCM.

Engages gust suppression.

Disable direct rudder control.

Correct! Wrong!

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

Protection features are NOT available.

Autopilot is not available.

All statements are correct.

The system operates in direct mode

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?

8 degrees.

9.5 degrees.

7.5 degrees.

13 degrees.

Correct! Wrong!

When do the alternate pitch trim levers move the stabilizer?

During flight control secondary and direct modes.

Only on the ground.

The levers move the stabilizer directly at all times.

When the autopilot is disengaged.

Correct! Wrong!

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

Only on the ground.

All the time.

During engine out go-arounds.

Only during approaches.

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!

What is the correct statement?

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.

Aileron trim in inhibited when the autopilot is engaged.

All statements are correct.

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.

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!

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 magenta when slats and flaps are in transit.

The flap position indicator is on the PFD.

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!

Which trim control is inhibited when the autopilot is engaged?

Trim control pitch

Alternate pitch trim levers.

Control wheel pitch trim switches.

Alternate control pitch trim.

Correct! Wrong!

Which of these flight control surfaces aid in roll control?

Slats and spoilers only.

Krueger flaps, slats and spoilers.

Ailerons, flaperons and spoilers.

Flaperons and slats.

Correct! Wrong!

What principle is used when direct mode is in use?

Hydraulic signal modulation.

Direct control surface deflection.

Electric signals.

Mechanical linkage.

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!

Which one of the following statements is false?

There are 12 spoilers.

When augmenting roll control, the spoilers work asymmetrically.

Spoilers 4 and 11 are mechanically operated.

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

Correct! Wrong!

What control do the flaperons and ailerons provide?

Yaw control assisted by the rudder.

Roll control assisted by asymmetric spoilers.

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 8 spoiler panels.

A total of 14 spoiler panels.

A total of 12 spoiler panels.

A total of 10 spoiler panels.

Correct! Wrong!

What can you say about the FLAPS DRIVE EICAS message?

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

The EICAS flap indicator display turns magenta.

The flaps will operate in secondary mode.

Arm the alternate system.

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!

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

Spoilers 4,11

Spoilers 1-7

None. Speedbrakes are disabled.

Spoilers 5,10

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.

The spoilers augment roll control.

Spoilers 5 and 10 are available as ground spoilers only.

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!

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!

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!

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 primary mode.

The system is in direct mode

Correct! Wrong!

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

210 knot.

200 knot.

180 knot.

220 knot.

Correct! Wrong!

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

Electric.

Pneumatic.

Mechanical.

Hydraulic.

Correct! Wrong!

What is FALSE about Flap/Slat Load Relief?

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

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

The Flap lever does not move during flap condition and shows actual flap position.

Re-extension is limited to the commended flap position.

Correct! Wrong!

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

Slats only.

Flaperons and slats.

Flaperons.

Krueger flaps and slats.

Correct! Wrong!

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

Spoilers 1 and 14

Spoilers 8 to 14

Spolers 5 and 10

Spoilers 1 to 7

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 extended when radio altitude is between 15 and 800 ft.

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

Speedbrake is UP after landing.

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!

Under what conditions does the SPEEDBRAKE EXTENDED EICAS message display?

After landing, if speed-brakes fail to extend.

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.

Correct! Wrong!

Are the PFCs and ACEs used in direct mode?

It is not possible.

Only PFCs

Both PFCs and ACEs

Only ACEs

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

All spoilers remain usable.

Thrust Asymmetry is NOT available.

Autopilot and envelope protection are NOT available.

Envelope protection features are NOT available.

Correct! Wrong!

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

Position feedback transducers.

Primary Flight Computers (PFCs).

Actuator Control Electronics (ACES).

Power Control Units (PCUs).

Correct! Wrong!

Which of the following are NOT stall protection features?

The auto-throttle disconnects.

In landing configuration, leading slats move to gapped position.

Stick shaker activates.

The auto-throttle advances to maintain minimum airspeed.

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 an engine is at idle thrust.

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

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!

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!

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

During airspeed changes only.

For all configuration changes.

When thrust is changed.

When the landing gear is extended.

Correct! Wrong!

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

Spoilers 4 and 11.

Spoilers 1 and 14.

Spoilers 5 and 8.

Spoilers 5 and 10.

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 below 200 feet.

Take-off, rejected take-off and approach.

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

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 airspeed changes.

During flap extension or retraction

All statements are correct.

Correct! Wrong!

What does stall warning consist of?

Stick shaker followed by stall warning.

EICAS message 'STALL'.

Stall warning horn.

Stick shaker but NO stall warning.

Correct! Wrong!

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

Normal.

Secondary.

Direct.

All flight control modes.

Correct! Wrong!

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

Ailerons, flaperons and spoilers.

Ailerons, flaperons and slats.

Ailerons, flaperons and elevators.

Ailerons, flaperons and flaps.

Correct! Wrong!

What is wheel to rudder cross-tie?

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.

Ability to override rudder inputs with the control wheel inputs.

Correct! Wrong!

Boeing B777 – Flight controls