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

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.

The FMC weight entry and CG may be incorrect.

All statements are correct.

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 primary mode.

The system is in the secondary mode.

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!

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!

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

Secondary.

All flight control modes.

Normal.

Direct.

Correct! Wrong!

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

Ailerons, flaperons and spoilers.

Ailerons, flaperons and elevators.

Ailerons, flaperons and flaps.

Ailerons, flaperons and slats.

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 8 spoiler panels.

A total of 12 spoiler panels.

Correct! Wrong!

What is true about turn compensation?

The turn compensation switch is on the overhead panel.

It is available only in the secondary mode.

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

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

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

Pneumatic.

Mechanical.

Hydraulic.

Electric.

Correct! Wrong!

What are the initial steps to extend the flaps using the alternate flap system?

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

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

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

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

Correct! Wrong!

Under what conditions does the SPEEDBRAKE EXTENDED EICAS message display?

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

After landing, if speed-brakes fail to extend.

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

Any time speed-brakes are extended.

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!

When do the PFCs make self-test?

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

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

After hydraulic system depressurization.

After hydraulic system pressurization.

Correct! Wrong!

What is the correct statement?

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.

Moving the alternate pitch trim levers during stall or overspeed protection does not move the stabilizer

Correct! Wrong!

Which of the following are NOT stall protection features?

The auto-throttle disconnects.

The auto-throttle advances to maintain minimum airspeed.

In landing configuration, leading slats move to gapped position.

Stick shaker activates.

Correct! Wrong!

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

All spoilers remain usable.

Autopilot and envelope protection are NOT available.

Envelope protection features are NOT available.

Thrust Asymmetry is 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.

During airspeed changes only.

When the landing gear is extended.

Correct! Wrong!

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

All statements are correct.

Protection features are NOT available.

Autopilot is not available.

The system operates in direct mode

Correct! Wrong!

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

Only during approaches.

All the time.

Only on the ground.

During engine out go-arounds.

Correct! Wrong!

Which of these flight control surfaces assist in roll control?

Flaperons and slats.

Ailerons and flaperons.

Slats and spoilers.

Slats only.

Correct! Wrong!

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

Always on EICAS

Only on the ground, on pitch trim indicators.

Only during landing, on CDU.

Only in flight, on control wheel.

Correct! Wrong!

Which one of the following statements is incorrect?

Spoilers 5 and 10 are available as ground spoilers only.

Spoilers 4 and 11 are mechanically operated.

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

The spoilers augment roll control.

Correct! Wrong!

When do the alternate pitch trim levers move the stabilizer?

During flight control secondary and direct modes.

When the autopilot is disengaged.

The levers move the stabilizer directly at all times.

Only on the ground.

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!

Which trim control is inhibited when the autopilot is engaged?

Trim control pitch

Alternate control pitch trim.

Alternate pitch trim levers.

Control wheel pitch trim switches.

Correct! Wrong!

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

Spoilers 4,11

None. Speedbrakes are disabled.

Spoilers 5,10

Spoilers 1-7

Correct! Wrong!

What is wheel to rudder cross-tie?

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.

Ability to override rudder inputs with the control wheel inputs.

Correct! Wrong!

What control do the flaperons and ailerons provide?

Roll control assisted by asymmetric spoilers.

Pitch control assisted by a movable horizontal stabilizer.

Yaw control assisted by the rudder.

Increased wing lift and decreased stall speed.

Correct! Wrong!

What is FALSE about stabilizer trim?

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

As airspeed increases, trim rate decreases.

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

As airspeed increases, trim rate increases.

Correct! Wrong!

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

Disconnects hydraulic supply to STCM.

Engages gust suppression.

Connects hydraulic supply to STCM.

Disable direct rudder control.

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!

What is FALSE about Flap/Slat Load Relief?

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.

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

Correct! Wrong!

Which one of the following statements is false?

There are 12 spoilers.

Spoilers 4 and 11 are mechanically operated.

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

When augmenting roll control, the spoilers work asymmetrically.

Correct! Wrong!

What happens if uncommanded stabilizer motion is sensed?

Power to the affected STCM is shut off.

Power to all STCMs is shut off.

The A/P engages automatically.

The stabilizer is locked in place.

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 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 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!

Are the PFCs and ACEs used in direct mode?

Only ACEs

It is not possible.

Both PFCs and ACEs

Only PFCs

Correct! Wrong!

Which statement is NOT true regarding the flap position indicator?

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 appears on EICAS when flaps begin to extend.

The flap position indicator is on the PFD.

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!

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

200 knot.

220 knot.

180 knot.

210 knot.

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.

7.5 degrees.

9.5 degrees.

8 degrees.

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!

When does TAC automatically add rudder to minimize yaw?

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

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.

Correct! Wrong!

Do the ailerons increase lift for takeoff?

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

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

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 speedbrake extension or retraction.

During flap extension or retraction

All statements are correct.

Correct! Wrong!

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

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

Stabilizer asymmetry compensation is inoperative.

The centre stabilizer control path is inoperative

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

Correct! Wrong!

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

Flaperons.

Flaperons and slats.

Krueger flaps and slats.

Slats only.

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!

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.

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.

Correct! Wrong!

What principle is used when direct mode is in use?

Electric signals.

Mechanical linkage.

Hydraulic signal modulation.

Direct control surface deflection.

Correct! Wrong!

What does stall warning consist of?

Stick shaker but NO stall warning.

EICAS message 'STALL'.

Stall warning horn.

Stick shaker followed by stall warning.

Correct! Wrong!

Boeing B777 – Flight controls