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?

Autopilot and envelope protection are NOT available.

Thrust Asymmetry is NOT available.

Envelope protection features are NOT available.

All spoilers remain usable.

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.

After landing, if speed-brakes fail to extend.

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

Correct! Wrong!

Are the PFCs and ACEs used in direct mode?

It is not possible.

Both PFCs and ACEs

Only PFCs

Only ACEs

Correct! Wrong!

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

220 knot.

200 knot.

180 knot.

210 knot.

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 speedbrake extension or retraction.

During flap extension or retraction

During airspeed changes.

Correct! Wrong!

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

Secondary.

Normal.

Direct.

All flight control modes.

Correct! Wrong!

Which trim control is inhibited when the autopilot is engaged?

Alternate pitch trim levers.

Alternate control pitch trim.

Control wheel pitch trim switches.

Trim control pitch

Correct! Wrong!

Which of the following is not a stall protection feature?

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

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.

Correct! Wrong!

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

When the landing gear is extended.

When thrust is changed.

During airspeed changes only.

For all configuration changes.

Correct! Wrong!

What does stall warning consist of?

Stick shaker followed by stall warning.

Stick shaker but NO stall warning.

Stall warning horn.

EICAS message 'STALL'.

Correct! Wrong!

When do the PFCs make self-test?

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

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

After hydraulic system depressurization.

After hydraulic system pressurization.

Correct! Wrong!

What is FALSE about stabilizer trim?

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

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

As airspeed increases, trim rate decreases.

As airspeed increases, trim rate increases.

Correct! Wrong!

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

Position feedback transducers.

Actuator Control Electronics (ACES).

Power Control Units (PCUs).

Primary Flight Computers (PFCs).

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 EICAS message STAB GREENBAND displays

The green band on the indicator turns amber

Correct! Wrong!

What does the PRI FLIGHT COMPUTERS EICAS message indicate?

Flight control modes are not affected.

The system is in the secondary mode.

The system is in primary mode.

The system is in direct mode

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 is on the PFD.

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

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 12 spoiler panels.

A total of 8 spoiler panels.

Correct! Wrong!

Which of the following are NOT stall protection features?

Stick shaker activates.

In landing configuration, leading slats move to gapped position.

The auto-throttle disconnects.

The auto-throttle advances to maintain minimum airspeed.

Correct! Wrong!

What is wheel to rudder cross-tie?

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

Ability to control rudder trim with control wheel inputs.

Ability to dampen Dutch roll with control wheel only.

Ability to override rudder inputs with the control wheel inputs.

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!

Do the ailerons increase lift for takeoff?

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

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

Yes the ailerons move down with flaps 15 and 20.

No the ailerons are used only at high speed

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!

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!

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!

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

Spoilers 1-7

None. Speedbrakes are disabled.

Spoilers 4,11

Spoilers 5,10

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!

When do the alternate pitch trim levers move the stabilizer?

During flight control secondary and direct modes.

When the autopilot is disengaged.

Only on the ground.

The levers move the stabilizer directly at all times.

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 autopilot is available.

Actuator Control Electronics (ACES) are NOT available.

The Primary Flight Computers (PFCs) are NOT available.

Correct! Wrong!

What is FALSE about Flap/Slat Load Relief?

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

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.

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.

Arm the alternate system.

The flaps will operate in secondary mode.

Correct! Wrong!

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

Only on the ground, on pitch trim indicators.

Only during landing, on CDU.

Only in flight, on control wheel.

Always on EICAS

Correct! Wrong!

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

All the time.

Only on the ground.

During engine out go-arounds.

Only during approaches.

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!

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!

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

Pneumatic.

Mechanical.

Electric.

Hydraulic.

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!

Which of these flight control surfaces assist in roll control?

Slats only.

Flaperons and slats.

Ailerons and flaperons.

Slats and spoilers.

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.

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

It is available only in the secondary mode.

Correct! Wrong!

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

The centre stabilizer control path is inoperative

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

Stabilizer asymmetry compensation is inoperative.

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

Correct! Wrong!

What happens if uncommanded stabilizer motion is sensed?

Power to all STCMs is shut off.

Power to the affected STCM is shut off.

The A/P engages automatically.

The stabilizer is locked in place.

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!

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.

9.5 degrees.

7.5 degrees.

13 degrees.

Correct! Wrong!

When does TAC automatically add rudder to minimize yaw?

When an engine is at idle thrust.

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.

Correct! Wrong!

Which of these flight control surfaces aid in roll control?

Ailerons, flaperons and spoilers.

Slats and spoilers only.

Flaperons and slats.

Krueger flaps, slats and spoilers.

Correct! Wrong!

What does the EICAS message FLIGHT CONTROL MODE indicate?

Multiple flight control surfaces are inoperative.

The Flap/Slat electronics units are inoperative.

Flight control system is operating in the secondary mode.

Flight control system faults are detected.

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

Actuator Control Electronics (ACES) are NOT available.

The Primary Flight Computers (PFCs) are NOT available.

Envelope protection features are available.

Autopilot and envelope are NOT available.

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 and approach.

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

Take-off, rejected take-off and landing.

Correct! Wrong!

What control do the flaperons and ailerons provide?

Yaw control assisted by the rudder.

Increased wing lift and decreased stall speed.

Roll control assisted by asymmetric spoilers.

Pitch control assisted by a movable horizontal stabilizer.

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

Spoilers 5 and 10.

Spoilers 5 and 8.

Spoilers 1 and 14.

Spoilers 4 and 11.

Correct! Wrong!

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

Flaperons and slats.

Krueger flaps and slats.

Slats only.

Flaperons.

Correct! Wrong!

What principle is used when direct mode is in use?

Hydraulic signal modulation.

Electric signals.

Mechanical linkage.

Direct control surface deflection.

Correct! Wrong!

Boeing B777 – Flight controls