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

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 droop when the trailing edge flaps extend?

Flaperons.

Krueger flaps and slats.

Flaperons and slats.

Slats only.

Correct! Wrong!

When does TAC automatically add rudder to minimize yaw?

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.

When engine thrust loss is sensed in the normal and secondary 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?

13 degrees.

8 degrees.

7.5 degrees.

9.5 degrees.

Correct! Wrong!

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

Electro hydraulic servos.

Secondary FCC.

Primary Flight Computers (PFCs).

Actuator Control Electronics (ACES).

Correct! Wrong!

Which one of the following statements is false?

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

Spoilers 4 and 11 are mechanically operated.

When augmenting roll control, the spoilers work asymmetrically.

There are 12 spoilers.

Correct! Wrong!

Which trim control is inhibited when the autopilot is engaged?

Alternate control pitch trim.

Trim control pitch

Alternate pitch trim levers.

Control wheel pitch trim switches.

Correct! Wrong!

When do the PFCs make self-test?

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

After hydraulic system pressurization.

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

After hydraulic system depressurization.

Correct! Wrong!

What can you say about the FLAPS DRIVE EICAS message?

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.

The EICAS flap indicator display turns magenta.

Correct! Wrong!

Which of the following are NOT stall protection features?

Stick shaker activates.

The auto-throttle advances to maintain minimum airspeed.

In landing configuration, leading slats move to gapped position.

The auto-throttle disconnects.

Correct! Wrong!

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

Ailerons, flaperons and slats.

Ailerons, flaperons and elevators.

Ailerons, flaperons and flaps.

Ailerons, flaperons and spoilers.

Correct! Wrong!

What is FALSE about Flap/Slat Load Relief?

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.

Re-extension is limited to the commended flap position.

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

Correct! Wrong!

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

Spoilers 5 and 8.

Spoilers 4 and 11.

Spoilers 1 and 14.

Spoilers 5 and 10.

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 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.

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

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

Correct! Wrong!

What is true about turn compensation?

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

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.

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.

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

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

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

Correct! Wrong!

What is the meaning of the EICAS advisory message STABILIZER CUTOUT?

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

Stabilizer asymmetry compensation is inoperative.

The centre stabilizer control path is inoperative

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

Correct! Wrong!

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

Protection features are NOT available.

All statements are correct.

The system operates in direct mode

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!

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

Spoilers 8 to 14

Spoilers 1 to 7

Spolers 5 and 10

Spoilers 1 and 14

Correct! Wrong!

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

None. Speedbrakes are disabled.

Spoilers 1-7

Spoilers 4,11

Spoilers 5,10

Correct! Wrong!

How many spoiler panels are used as speedbrakes?

A total of 12 spoiler panels.

A total of 14 spoiler panels.

A total of 8 spoiler panels.

A total of 10 spoiler panels.

Correct! Wrong!

What does the EICAS message FLIGHT CONTROL MODE indicate?

Flight control system is operating in the secondary mode.

Flight control system faults are detected.

Multiple flight control surfaces are inoperative.

The Flap/Slat electronics units are inoperative.

Correct! Wrong!

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

All statements are correct.

Power to the stabilizer position indicator is lost.

The FMC weight entry and CG may be incorrect.

The stabilizer position indicator is unreliable.

Correct! Wrong!

Do the ailerons increase lift for takeoff?

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

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

No the ailerons are used only at high speed

Yes the ailerons move down with flaps 15 and 20.

Correct! Wrong!

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

Only during landing, on CDU.

Only on the ground, on pitch trim indicators.

Only in flight, on control wheel.

Always on EICAS

Correct! Wrong!

What does the PRI FLIGHT COMPUTERS EICAS message indicate?

The system is in primary mode.

The system is in the secondary mode.

The system is in direct mode

Flight control modes are not affected.

Correct! Wrong!

What control do the flaperons and ailerons provide?

Pitch control assisted by a movable horizontal stabilizer.

Roll control assisted by asymmetric spoilers.

Increased wing lift and decreased stall speed.

Yaw control assisted by the rudder.

Correct! Wrong!

What is FALSE about stabilizer trim?

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

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

As airspeed increases, trim rate increases.

As airspeed increases, trim rate decreases.

Correct! Wrong!

Are the PFCs and ACEs used in direct mode?

Only ACEs

Both PFCs and ACEs

Only PFCs

It is not possible.

Correct! Wrong!

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

During engine out go-arounds.

Only on the ground.

Only during approaches.

All the time.

Correct! Wrong!

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

Actuator Control Electronics (ACES).

Primary Flight Computers (PFCs).

Position feedback transducers.

Power Control Units (PCUs).

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.

Actuator Control Electronics (ACES) are NOT available.

Autopilot and envelope are NOT available.

Envelope protection features are available.

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 flap extension or retraction

During airspeed changes.

During speedbrake extension or retraction.

Correct! Wrong!

When do the alternate pitch trim levers move the stabilizer?

The levers move the stabilizer directly at all times.

Only on the ground.

When the autopilot is disengaged.

During flight control secondary and direct modes.

Correct! Wrong!

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

Secondary.

Normal.

All flight control modes.

Direct.

Correct! Wrong!

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

220 knot.

200 knot.

180 knot.

210 knot.

Correct! Wrong!

What happens if uncommanded stabilizer motion is sensed?

The A/P engages automatically.

Power to the affected STCM is shut off.

Power to all STCMs is shut off.

The stabilizer is locked in place.

Correct! Wrong!

What does stall warning consist of?

Stick shaker followed by stall warning.

Stall warning horn.

EICAS message 'STALL'.

Stick shaker but NO stall warning.

Correct! Wrong!

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

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

Take-off, rejected take-off and landing.

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

Take-off, rejected take-off and approach.

Correct! Wrong!

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

Hydraulic.

Mechanical.

Electric.

Pneumatic.

Correct! Wrong!

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

Speedbrake is UP after landing.

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

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!

What principle is used when direct mode is in use?

Electric signals.

Direct control surface deflection.

Hydraulic signal modulation.

Mechanical linkage.

Correct! Wrong!

What is the correct statement?

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

All statements are correct.

Aileron trim in inhibited when the autopilot is engaged.

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.

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.

Correct! Wrong!

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

The green band on the indicator turns amber

The EICAS message STAB GREENBAND displays

The green band and the pointer are not displayed

The CDU displays the VERIFY TRIM message in the scratchpad

Correct! Wrong!

Which one of the following statements is incorrect?

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

Spoilers 5 and 10 are available as ground spoilers only.

Spoilers 4 and 11 are mechanically operated.

The spoilers augment roll control.

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 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!

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

Envelope protection features are NOT available.

Actuator Control Electronics (ACES) are NOT available.

The Primary Flight Computers (PFCs) are NOT available.

The autopilot is available.

Correct! Wrong!

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

Disconnects hydraulic supply to STCM.

Engages gust suppression.

Disable direct rudder control.

Connects hydraulic supply to STCM.

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!

Boeing B777 – Flight controls