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

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

Normal.

Direct.

All flight control modes.

Secondary.

Correct! Wrong!

What principle is used when direct mode is in use?

Hydraulic signal modulation.

Mechanical linkage.

Electric signals.

Direct control surface deflection.

Correct! Wrong!

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

The FMC weight entry and CG may be incorrect.

All statements are correct.

The stabilizer position indicator is unreliable.

Power to the stabilizer position indicator is lost.

Correct! Wrong!

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

Krueger flaps and slats.

Flaperons and slats.

Flaperons.

Slats only.

Correct! Wrong!

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

Ailerons, flaperons and flaps.

Ailerons, flaperons and elevators.

Ailerons, flaperons and spoilers.

Ailerons, flaperons and slats.

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 Primary Flight Computers (PFCs) are NOT available.

Actuator Control Electronics (ACES) are NOT available.

The autopilot is available.

Correct! Wrong!

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

180 knot.

220 knot.

210 knot.

200 knot.

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 5, 15 and 20.

Yes the ailerons move down with flaps 15 and 20.

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

Correct! Wrong!

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

Actuator Control Electronics (ACES).

Primary Flight Computers (PFCs).

Secondary FCC.

Electro hydraulic servos.

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!

What does stall warning consist of?

Stall warning horn.

EICAS message 'STALL'.

Stick shaker followed by stall warning.

Stick shaker but NO stall warning.

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!

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!

What does the EICAS message FLIGHT CONTROL MODE indicate?

Multiple flight control surfaces are inoperative.

Flight control system faults are detected.

The Flap/Slat electronics units are inoperative.

Flight control system is operating in the secondary mode.

Correct! Wrong!

In the normal mode, a control column input or trim change is required to maintain a constant flight path:

During airspeed changes.

During flap extension or retraction

During speedbrake extension or retraction.

All statements are correct.

Correct! Wrong!

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!

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 one of the following statements is incorrect?

Spoilers 5 and 10 are available as ground spoilers only.

The spoilers augment roll control.

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

Spoilers 4 and 11 are mechanically operated.

Correct! Wrong!

Which of these flight control surfaces assist in roll control?

Ailerons and flaperons.

Slats only.

Slats and spoilers.

Flaperons and slats.

Correct! Wrong!

Are the PFCs and ACEs used in direct mode?

Only PFCs

Both PFCs and ACEs

Only ACEs

It is not possible.

Correct! Wrong!

What is the correct statement?

Aileron trim in inhibited when the autopilot is engaged.

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.

All statements are correct.

Correct! Wrong!

What is FALSE about Flap/Slat Load Relief?

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.

Re-extension is limited to the commended flap position.

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

Correct! Wrong!

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

Only in flight, on control wheel.

Only on the ground, on pitch trim indicators.

Only during landing, on CDU.

Always on EICAS

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 can you say about the FLAPS DRIVE EICAS message?

Arm the alternate system.

The EICAS flap indicator display turns magenta.

The flaps will operate in secondary mode.

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

Correct! Wrong!

What causes the SPEEDNRAKE EXTENDED message to display on the EICAS?

Speedbrake is UP after landing.

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.

Correct! Wrong!

What is wheel to rudder cross-tie?

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.

Ability to dampen Dutch roll with control wheel only.

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 EICAS message STAB GREENBAND displays

The green band on the indicator turns amber

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!

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

Only during approaches.

Only on the ground.

During engine out go-arounds.

All the time.

Correct! Wrong!

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

Disable direct rudder control.

Connects hydraulic supply to STCM.

Disconnects hydraulic supply to STCM.

Engages gust suppression.

Correct! Wrong!

What control do the flaperons and ailerons provide?

Increased wing lift and decreased stall speed.

Pitch control assisted by a movable horizontal stabilizer.

Roll control assisted by asymmetric spoilers.

Yaw control assisted by the rudder.

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.

13 degrees.

9.5 degrees.

Correct! Wrong!

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

Autopilot is not available.

All statements are correct.

The system operates in direct mode

Protection features are NOT available.

Correct! Wrong!

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

Electric.

Hydraulic.

Pneumatic.

Mechanical.

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!

What is FALSE about stabilizer trim?

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.

As airspeed increases, trim rate decreases.

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.

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.

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.

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

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

Correct! Wrong!

Which of these flight control surfaces aid in roll control?

Krueger flaps, slats and spoilers.

Flaperons and slats.

Ailerons, flaperons and spoilers.

Slats and spoilers only.

Correct! Wrong!

How many spoiler panels are used as speedbrakes?

A total of 10 spoiler panels.

A total of 14 spoiler panels.

A total of 12 spoiler panels.

A total of 8 spoiler panels.

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, approach and landing.

Take-off, rejected take-off and approach.

Take-off, rejected take-off and landing.

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.

Envelope protection features are available.

Autopilot and envelope are NOT available.

The Primary Flight Computers (PFCs) are NOT available.

Correct! Wrong!

When does TAC automatically add rudder to minimize yaw?

When the engine is damaged or surges.

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

When an engine is at idle thrust.

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

Correct! Wrong!

What is true about turn compensation?

The turn compensation switch is on the overhead panel.

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

It is available only in the secondary mode.

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

Correct! Wrong!

When do the alternate pitch trim levers move the stabilizer?

Only on the ground.

The levers move the stabilizer directly at all times.

When the autopilot is disengaged.

During flight control secondary and direct modes.

Correct! Wrong!

Which of the following are NOT stall protection features?

In landing configuration, leading slats move to gapped position.

The auto-throttle disconnects.

Stick shaker activates.

The auto-throttle advances to maintain minimum airspeed.

Correct! Wrong!

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

Spoilers 1 to 7

Spolers 5 and 10

Spoilers 1 and 14

Spoilers 8 to 14

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!

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 is the meaning of the EICAS advisory message STABILIZER CUTOUT?

The centre stabilizer control path is inoperative

Stabilizer asymmetry compensation is inoperative.

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

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

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.

Envelope protection features are NOT available.

Autopilot and envelope protection are NOT available.

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!

Boeing B777 – Flight controls