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

Which statement is NOT true regarding the flap position indicator?

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

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.

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.

As airspeed increases, trim rate decreases.

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

Correct! Wrong!

What happens if uncommanded stabilizer motion is sensed?

Power to all STCMs is shut off.

The A/P engages automatically.

The stabilizer is locked in place.

Power to the affected STCM is shut off.

Correct! Wrong!

Are the PFCs and ACEs used in direct mode?

Only ACEs

It is not possible.

Both PFCs and ACEs

Only PFCs

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!

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

For all configuration changes.

When thrust is changed.

When the landing gear is extended.

During airspeed changes only.

Correct! Wrong!

Which trim control is inhibited when the autopilot is engaged?

Control wheel pitch trim switches.

Trim control pitch

Alternate control pitch trim.

Alternate pitch trim levers.

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.

The centre stabilizer control path is inoperative

Stabilizer asymmetry compensation is inoperative.

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.

There are 12 spoilers.

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?

The system operates in direct mode

Protection features are NOT available.

Autopilot is not available.

All statements are correct.

Correct! Wrong!

Under what conditions does the SPEEDBRAKE EXTENDED EICAS message display?

After landing, if speed-brakes fail to extend.

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

Any time speed-brakes are extended.

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

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 stall warning consist of?

Stick shaker followed by stall warning.

EICAS message 'STALL'.

Stick shaker but NO stall warning.

Stall warning horn.

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!

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

Secondary.

Normal.

All flight control modes.

Direct.

Correct! Wrong!

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

Primary Flight Computers (PFCs).

Actuator Control Electronics (ACES).

Electro hydraulic servos.

Secondary FCC.

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

Ability to dampen Dutch roll with control wheel only.

Correct! Wrong!

What does the EICAS message FLIGHT CONTROL MODE indicate?

The Flap/Slat electronics units are inoperative.

Flight control system is operating in the secondary mode.

Multiple flight control surfaces are inoperative.

Flight control system faults are detected.

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 control do the flaperons and ailerons provide?

Yaw control assisted by the rudder.

Pitch control assisted by a movable horizontal stabilizer.

Increased wing lift and decreased stall speed.

Roll control assisted by asymmetric spoilers.

Correct! Wrong!

Which of these flight control surfaces assist in roll control?

Flaperons and slats.

Slats and spoilers.

Ailerons and flaperons.

Slats only.

Correct! Wrong!

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

Only on the ground.

Only during approaches.

All the time.

During engine out go-arounds.

Correct! Wrong!

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

Hydraulic.

Mechanical.

Pneumatic.

Electric.

Correct! Wrong!

What can you say about the FLAPS DRIVE EICAS message?

The flaps will operate in secondary mode.

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

Arm the alternate system.

The EICAS flap indicator display turns magenta.

Correct! Wrong!

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

Autopilot and envelope are NOT available.

Envelope protection features are available.

The Primary Flight Computers (PFCs) are NOT available.

Actuator Control Electronics (ACES) are NOT available.

Correct! Wrong!

Which one of the following statements is incorrect?

Spoilers 4 and 11 are mechanically operated.

The spoilers augment roll control.

Spoilers 5 and 10 are available as ground spoilers only.

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

Correct! Wrong!

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

Disconnects hydraulic supply to STCM.

Connects hydraulic supply to STCM.

Disable direct rudder control.

Engages gust suppression.

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 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.

Stab trim is inhibited in the nose up direction at approximately the minimum manoeuvring speed.

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.

13 degrees.

9.5 degrees.

7.5 degrees.

Correct! Wrong!

When do the alternate pitch trim levers move the stabilizer?

The levers move the stabilizer directly at all times.

When the autopilot is disengaged.

During flight control secondary and direct modes.

Only on the ground.

Correct! Wrong!

Do the ailerons increase lift for takeoff?

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.

No the ailerons are used only at high speed

Correct! Wrong!

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

Ailerons, flaperons and flaps.

Ailerons, flaperons and spoilers.

Ailerons, flaperons and slats.

Ailerons, flaperons and elevators.

Correct! Wrong!

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

The CDU displays the VERIFY TRIM message in the scratchpad

The green band and the pointer are not displayed

The green band on the indicator turns amber

The EICAS message STAB GREENBAND displays

Correct! Wrong!

What is true about turn compensation?

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.

It is available only in the secondary mode.

The turn compensation switch is on the overhead panel.

Correct! Wrong!

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

Power to the stabilizer position indicator is lost.

All statements are correct.

The stabilizer position indicator is unreliable.

The FMC weight entry and CG may be incorrect.

Correct! Wrong!

Which of these flight control surfaces aid in roll control?

Flaperons and slats.

Slats and spoilers only.

Ailerons, flaperons and spoilers.

Krueger flaps, slats and spoilers.

Correct! Wrong!

What does the PRI FLIGHT COMPUTERS EICAS message indicate?

The system is in direct mode

Flight control modes are not affected.

The system is in the secondary mode.

The system is in primary mode.

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!

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 correct statement?

Aileron trim in inhibited when the autopilot is engaged.

All statements are correct.

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.

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 approach.

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

Take-off, rejected take-off and landing.

Correct! Wrong!

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

Spoilers 5,10

Spoilers 4,11

None. Speedbrakes are disabled.

Spoilers 1-7

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).

Actuator Control Electronics (ACES).

Position feedback transducers.

Correct! Wrong!

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

Envelope protection features are NOT available.

Thrust Asymmetry is NOT available.

All spoilers remain usable.

Autopilot and envelope protection are NOT available.

Correct! Wrong!

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

Spoilers 8 to 14

Spolers 5 and 10

Spoilers 1 and 14

Spoilers 1 to 7

Correct! Wrong!

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

Spoilers 5 and 10.

Spoilers 5 and 8.

Spoilers 4 and 11.

Spoilers 1 and 14.

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!

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

210 knot.

220 knot.

200 knot.

180 knot.

Correct! Wrong!

When do the PFCs make self-test?

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

After hydraulic system depressurization.

After hydraulic system pressurization.

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

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!

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

During flap extension or retraction

During airspeed changes.

All statements are correct.

During speedbrake extension or retraction.

Correct! Wrong!

Which of the following are NOT stall protection features?

The auto-throttle advances to maintain minimum airspeed.

The auto-throttle disconnects.

In landing configuration, leading slats move to gapped position.

Stick shaker activates.

Correct! Wrong!

Boeing B777 – Flight controls