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

Which trim control is inhibited when the autopilot is engaged?

Control wheel pitch trim switches.

Trim control pitch

Alternate pitch trim levers.

Alternate control pitch trim.

Correct! Wrong!

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

Engages gust suppression.

Disconnects hydraulic supply to STCM.

Disable direct rudder control.

Connects hydraulic supply to STCM.

Correct! Wrong!

Under what conditions does the SPEEDBRAKE EXTENDED EICAS message display?

Speedbrakes are extended and landing flaps are selected or RA is between 15 and 800 feet.

Any time speed-brakes are extended.

Speedbrakes are extended and the airplane is above 800 feet RA.

After landing, if speed-brakes fail to extend.

Correct! Wrong!

Which one of the following statements is incorrect?

Spoilers 4 and 11 are mechanically operated.

Spoilers 5 and 10 are available as ground spoilers only.

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

The spoilers augment roll control.

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!

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 one of the following statements is false?

There are 12 spoilers.

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.

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!

Which of these flight control surfaces aid in roll control?

Flaperons and slats.

Krueger flaps, slats and spoilers.

Ailerons, flaperons and spoilers.

Slats and spoilers only.

Correct! Wrong!

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

Ailerons, flaperons and spoilers.

Ailerons, flaperons and flaps.

Ailerons, flaperons and elevators.

Ailerons, flaperons and slats.

Correct! Wrong!

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

Spoilers 1 and 14

Spolers 5 and 10

Spoilers 1 to 7

Spoilers 8 to 14

Correct! Wrong!

What is wheel to rudder cross-tie?

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.

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

Correct! Wrong!

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

Stabilizer asymmetry compensation is inoperative.

The centre stabilizer control path is inoperative

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

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

Correct! Wrong!

What does the PRI FLIGHT COMPUTERS EICAS message indicate?

Flight control modes are not affected.

The system is in primary mode.

The system is in direct mode

The system is in the secondary mode.

Correct! Wrong!

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

Envelope protection features are available.

The Primary Flight Computers (PFCs) are NOT available.

Actuator Control Electronics (ACES) are NOT available.

Autopilot and envelope are NOT available.

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 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 UP after landing.

Speedbrake is extended when radio altitude is between 15 and 800 ft.

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!

Which of the following are NOT stall protection features?

The auto-throttle advances to maintain minimum airspeed.

The auto-throttle disconnects.

Stick shaker activates.

In landing configuration, leading slats move to gapped position.

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!

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!

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!

What control do the flaperons and ailerons provide?

Yaw control assisted by the rudder.

Increased wing lift and decreased stall speed.

Pitch control assisted by a movable horizontal stabilizer.

Roll control assisted by asymmetric spoilers.

Correct! Wrong!

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

Actuator Control Electronics (ACES).

Position feedback transducers.

Power Control Units (PCUs).

Primary Flight Computers (PFCs).

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!

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

During flap extension or retraction

During speedbrake extension or retraction.

During airspeed changes.

All statements are correct.

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!

Which of these flight control surfaces assist in roll control?

Slats and spoilers.

Slats only.

Flaperons and slats.

Ailerons and flaperons.

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.

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.

Correct! Wrong!

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

Always on EICAS

Only in flight, on control wheel.

Only on the ground, on pitch trim indicators.

Only during landing, on CDU.

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.

The autopilot is available.

Envelope protection features are NOT available.

Correct! Wrong!

When does TAC automatically add rudder to minimize yaw?

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

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

When the engine is damaged or surges.

When an engine is at idle thrust.

Correct! Wrong!

How many spoiler panels are used as speedbrakes?

A total of 12 spoiler panels.

A total of 8 spoiler panels.

A total of 14 spoiler panels.

A total of 10 spoiler panels.

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!

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

Flaperons.

Slats only.

Flaperons and slats.

Krueger flaps and slats.

Correct! Wrong!

What happens if uncommanded stabilizer motion is sensed?

Power to the affected STCM is shut off.

The A/P engages automatically.

The stabilizer is locked in place.

Power to all STCMs is shut off.

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, approach and landing.

Take-off, rejected take-off and landing.

Correct! Wrong!

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

Pneumatic.

Electric.

Mechanical.

Hydraulic.

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 green band on the indicator turns amber

The EICAS message STAB GREENBAND displays

Correct! Wrong!

What is FALSE about Flap/Slat Load Relief?

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.

Re-extension is limited to the commended flap position.

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

Correct! Wrong!

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

200 knot.

180 knot.

210 knot.

220 knot.

Correct! Wrong!

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

Power to the stabilizer position indicator is lost.

The stabilizer position indicator is unreliable.

All statements are correct.

The FMC weight entry and CG may be incorrect.

Correct! Wrong!

What does stall warning consist of?

Stick shaker but NO stall warning.

Stall warning horn.

Stick shaker followed by stall warning.

EICAS message 'STALL'.

Correct! Wrong!

What is true about turn compensation?

It is available only in the secondary mode.

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

The turn compensation switch is on the overhead panel.

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

Correct! Wrong!

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

All the time.

During engine out go-arounds.

Only during approaches.

Only on the ground.

Correct! Wrong!

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

Normal.

All flight control modes.

Secondary.

Direct.

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!

Which statement is NOT true regarding the flap position indicator?

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

The flap position indicator is on the PFD.

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

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

Correct! Wrong!

What principle is used when direct mode is in use?

Mechanical linkage.

Hydraulic signal modulation.

Direct control surface deflection.

Electric signals.

Correct! Wrong!

Do the ailerons increase lift for takeoff?

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.

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

Correct! Wrong!

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

Spoilers 1 and 14.

Spoilers 4 and 11.

Spoilers 5 and 8.

Spoilers 5 and 10.

Correct! Wrong!

When do the PFCs make self-test?

After hydraulic system pressurization.

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

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

After hydraulic system depressurization.

Correct! Wrong!

Boeing B777 – Flight controls