Electrical Rudder Control a330 -300 ( All/m/n/o/p/q/r/s/)
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Questions and Answers

What device controls the green hydraulic servo control under normal operation for rudder ?

  • BCM
  • SEC 1
  • PRIM 1 (correct)
  • PRIM 3

    • Which PRIM takes control of the yellow hydraulic servo control during normal operation for rudder

  • PRIM 2
  • PRIM 1
  • SEC 1
  • PRIM 3 (correct)

    • What happens if all three PRIMs fail for rudders ?

  • No control system operates the hydraulic servos.
  • SEC 1 activates the yellow hydraulic servo control.
  • The BLUE servo control is taken over by BCM.
  • The green hydraulic servo control is managed by SEC 1. (correct)

    • In case of a total electrical failure, or loss of rudder control due to flight control computers failure, , what control does the Backup Control Module (BCM) use if the yellow hydraulic servo control is unavailable?

    <p>Blue hydraulic servo control</p> Signup and view all the answers

    Which PRIM controls the blue hydraulic servo control during normal operation?

    <p>PRIM 2</p> Signup and view all the answers

    What happens to rudder travel deflection as speed increases?

    <p>It gradually reduces to avoid high structural loads.</p> Signup and view all the answers

    What occurs in the event of a failure that causes loss of the Rudder Travel Limit function?

    <p>The rudder deflection limit stops at the last value reached.</p> Signup and view all the answers

    When is full rudder authority recovered?

    <p>At slats' extension.</p> Signup and view all the answers

    What does the available rudder deflection ensure?

    <p>It provides sufficient yaw control within the entire flight envelope.</p> Signup and view all the answers

    What remains available regardless of the aircraft speed?

    <p>Maximum rudder deflection</p> Signup and view all the answers

    At what condition is maximum rudder deflection usually reached before full rudder pedal travel?

    <p>At low speed</p> Signup and view all the answers

    What is the relationship between aircraft speed and maximum rudder deflection?

    <p>Maximum rudder deflection remains unchanged regardless of speed</p> Signup and view all the answers

    When does full rudder pedal travel become available?

    <p>Regardless of aircraft speed</p> Signup and view all the answers

    At what speed is maximum rudder deflection typically achieved in relation to rudder pedal travel?

    <p>Only at low speeds</p> Signup and view all the answers

    What is a key factor concerning maximum rudder pedal travel as speed increases?

    <p>Maximum rudder deflection is reached before pedal travel</p> Signup and view all the answers

    Which statement is true about maximum rudder deflection at various speeds?

    <p>It is typically reached before pedal travel fully engages</p> Signup and view all the answers

    How is rudder trim adjusted in manual flight?

    <p>Through the RUD TRIM rotary switch</p> Signup and view all the answers

    What happens to rudder trim commands when the autopilot is engaged?

    <p>They are computed by PRIM and transmitted to SEC</p> Signup and view all the answers

    What component is used to reset the rudder trim to zero?

    <p>RUD TRIM reset pushbutton</p> Signup and view all the answers

    Which motors operate normally for rudder trim during operation?

    <p>SEC 1 and MOTOR 1</p> Signup and view all the answers

    artificial feel and rudder trim are achieved by ?

    <p>two electric motors that position the artificial feel unit inside PFTU</p> Signup and view all the answers

    What mechanism computes rudder trim orders when the autopilot is engaged and what executes ?

    <p>PRIM computes transmutes to sec to execute</p> Signup and view all the answers

    What happens to the rudder trim switch and reset pushbutton under autopilot operation?

    <p>They become inactive.</p> Signup and view all the answers

    Which of the following is NOT involved in the rudder trim process while autopilot is engaged?

    <p>Rudder trim reset pushbutton</p> Signup and view all the answers

    Study Notes

    Electrical Rudder Control

    • Primary control (PRIM 1, 2, and 3) operates hydraulic servos.
      • PRIM 1 controls green servo.
      • PRIM 2 controls blue servo.
      • PRIM 3 controls yellow servo.
    • Secondary control (SEC 1) takes over if all PRIMs fail; it controls green servo.
    • Backup Control Module (BCM) takes over if electrical system fails or flight control computers fail.
      • BCM controls yellow servo in priority.
      • BCM controls blue servo if yellow servo is unavailable.

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    Description

    Test your knowledge on the electrical rudder control systems. This quiz covers the operation of primary, secondary, and backup control modules in hydraulic servo systems. Understand how each component interacts and prioritizes for optimal performance.

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