B777 Flight Controls Quiz

31 Questions | Total Attempts: 1472

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B777 Flight Controls Quiz - Quiz

The objective of the quiz below is designed to test out how conversant you are with the flight control characteristics and constraints of the Boeing 777 aircraft. If you wish to test how much you know about these controls all you have to do is try it out. All the best!


Questions and Answers
  • 1. 
    Which of the following is most correct when the flight control system is operating insecondary mode?
    • A. 

      Envelope protection features are NOT available.

    • B. 

      The Autopilot is not available.

    • C. 

      The primary flight computers (PFCs) are NOT available.

    • D. 

      The Autopilot and envelope protection features are NOT available.

  • 2. 
    Which of these flight control surfaces move down and aft in proportion to trailing edge flaps extension?
    • A. 

      Flaperons

    • B. 

      Slats only

    • C. 

      Krueger flaps and slats

    • D. 

      Flaperons and slats

  • 3. 
    Roll control is provided by?
    • A. 

      Krueger flaps, slats and spoilers

    • B. 

      Slats and spoilers only

    • C. 

      Ailerons, flaperons and spoilers

    • D. 

      Flaperons and slats

  • 4. 
     In direct mode, which of the following components of the primary flight control system are NOT operating?
    • A. 

      Actuator control electronics (ACEs)

    • B. 

      Primary flight computers (PFCs)

    • C. 

      Electro hydraulic servos

    • D. 

      All components are operating

  • 5. 
    What provides warning of an impending stall?
    • A. 

      Left and right stick shakers.

    • B. 

      EICAS message "STALL"

    • C. 

      An aural "STALL" warning.

    • D. 

      Stall warning horn

  • 6. 
     Which of the following is not a stall protection feature?
    • A. 

      The out-of-trim forces increase above normal for a condition above the minimum maneuver speed.

    • B. 

      The pilot must apply continuous aft column force to maintain airspeed below the maneuvering speed.

    • C. 

      Stab trim is inhibitied in the nose up direction at approximately the minimum maneuvering speed.

    • D. 

      Use of alternate pitch trim levers reduces the column forces below the minimum maneuvering speed.

  • 7. 
     Which statement is not correct concerning stabilizer trim?
    • A. 

      The green band on the stabilizer position indicator shows the acceptable range for takeoff.

    • B. 

      Activating the stabilizer trim switches on the control wheel disengages the autopilot.

    • C. 

      As airspeed increases, trim rate decreases.

    • D. 

      You can use the pitch trim switches on the ground to set the trim

  • 8. 
    Which trim control is inhibited when the autopilot is engaged?
    • A. 

      Control wheel pitch trim switches

    • B. 

      Alternate pitch trim levers

    • C. 

      Rudder trim

    • D. 

      Trim control is not inhibited

  • 9. 
     What could cause the  EICAS message STAB GREENBAND to be displayed?
    • A. 

      Power to the stabilizer position indicator is lost.

    • B. 

      The stabilizer position indicator is unreliable.

    • C. 

      The entered CG may be incorrect.

    • D. 

      Nose gear pressure sensor disagrees with the FMC calculation.

  • 10. 
    Which control surfaces are used for normal roll control on the 777?
    • A. 

      Ailerons, flaperons and spoilers

    • B. 

      Ailerons, flaperons and slats

    • C. 

      Ailerons, flaperons and flaps

    • D. 

      Ailerons, flaperons and elevators

  • 11. 
     Automatic speedbrake operation is provided for which flight control system modes?
    • A. 

      Secondary

    • B. 

      Normal

    • C. 

      Direct

    • D. 

      All flight control modes

  • 12. 
    Which one of the following statements are incorrect?
    • A. 

      Spoilers 5 and 10 are available as ground spoilers only.

    • B. 

      Spoilers 4 and 11 are mechanically operated.

    • C. 

      The spoilers augment roll control.

    • D. 

      The extension of speedbrakes in the landing configuration is prohibited.

  • 13. 
    Under what conditions does the EICAS message SPEEDBRAKE EXTENDED display?
    • A. 

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

    • B. 

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

    • C. 

      Any time speedbrakes are extended.

    • D. 

      After landing, if speedbrakes fail to extend.

  • 14. 
    Which statement is not correct regarding the flap position indicator?
    • A. 

      The flap position indicator is located on the PFD.

    • B. 

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

    • C. 

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

    • D. 

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

  • 15. 
    What causes the EICAS message FLAPS DRIVE?
    • A. 

      Arm the alternate system.

    • B. 

      The EICAS flap indicator display turns magenta.

    • C. 

      The message is displayed when the flap drive mechanism has failed.

    • D. 

      The flaps will operate in secondary mode.

  • 16. 
    Which functions are not available when the PRIMARY FLIGHT COMPUTER DISCONNECT switch is positioned to DISC?
    • A. 

      Stabilizer trim

    • B. 

      Primary flap mode

    • C. 

      Flap/slat load relief

    • D. 

      Autopilot, automatic speedbrakes and envelope protection

  • 17. 
    What is wheel to rudder cross-tie?
    • A. 

      Ability to dampen dutch roll with control wheel only.

    • B. 

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

    • C. 

      Ability to control rudder trim with control wheel inputs.

    • D. 

      Ability to override rudder inputs with the control wheel inputs.

  • 18. 
    When do the control wheel stabilizer trim switches control stabilizer movement directly?
    • A. 

      All the time.

    • B. 

      Only during approaches

    • C. 

      Only on the ground and in the Secondary and Direct flight control modes

    • D. 

      During engine out go-arounds

  • 19. 
    When are pitch trim changes required with normal pitch mode control?
    • A. 

      During airspeed changes only.

    • B. 

      When the landing gear is extended.

    • C. 

      When thrust is changed.

    • D. 

      For all configuration changes.

  • 20. 
    What happens when the stabilizer signal is not present or is invalid?
    • A. 

      The EICAS message STAB GREENBAND displays.

    • B. 

      The green band on the indicator turns amber.

    • C. 

      The green band and the pointer are not displayed.

    • D. 

      The CDU displays the VERIFY TRIM message in the scratchpad.

  • 21. 
    When do the alternate pitch trim levers move the stabilizer?
    • A. 

      When the autopilot is disengaged.

    • B. 

      Only on the ground.

    • C. 

      During flight control secondary and direct modes.

    • D. 

      The levers move the stabilizer directly in all modes.

  • 22. 
    What does the EICAS message PRI FLIGHT COMPUTERS  indicate?
    • A. 

      The system is in the primary mode.

    • B. 

      The system is in the direct mode.

    • C. 

      Flight control modes are not affected.

    • D. 

      The system is in the secondary mode.

  • 23. 
    What are the initial steps to extend the flaps using the alternate flap mode?
    • A. 

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

    • B. 

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

    • C. 

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

    • D. 

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

  • 24. 
    Which of the following is not correct concerning the flight control system when operating  in secondary mode?
    • A. 

      Envelope protection features are NOT available.

    • B. 

      Autopilot and envelope protection are NOT available.

    • C. 

      Thrust Asymmetry is NOT available.

    • D. 

      All spoilers remain usable.

  • 25. 
    Why is there is no limitation in the Boeing airplane Operations Manual or QRH regarding Flap selection at high altitudes above 20,000 feet?
    • A. 

      The Flap assemblies are Boeing built and very strong.

    • B. 

      Flap extension is inhibited at high altitudes and airspeeds above FLAPS 1 limit placard speed plus 10 knots.

    • C. 

      The Flap handle is mechanically inhibited by a barometric transducer solenoid at the equivalent of 500 millibars.

    • D. 

      This was an oversight by the Boeing Company.

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