Summary: A320 Flight Controls

Read the summary and the most important questions on a320 FLIGHT CONTROLS

• 1 FLIGHT CONTROLS INTRODUCTION

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• What color is displayed for a faulty spoiler panel that is in a deflected position when it should be retracted?

  A faulty spoiler panel that is in a deflected position when it should be retracted displays amber.

• What symbols represent the hydraulic systems on the flight control page?

  The symbols are G, B, and Y. The symbol for each hydraulic system normally is displayed in green, but is displayed in amber if the associated system pressure is low.

• How is a faulty spoiler panel that is retracted when it should be deflected displayed?

  A faulty spoiler panel that is retracted when it should be deflected displays with its position numeral in amber.

• How many Slat surfaces are on the leading edge of each wing?

  There are five Slat surfaces on the leading edge of each wing.

• How are the Spoiler and Speed brake indications shown when retracted?

  All panels are shown here retracted. When a panel is deflected by more than 2.5 degrees, the symbol appears as an arrow.

• In what color is the condition of the ELACs and SECs normally displayed?

  The condition of the ELACs and SECs is normally displayed in green with a gray box.

• What controls the roll command surfaces on each wing?

  The roll command surfaces are one aileron on each wing controlled by ELAC 1. The ailerons provide primary roll control of the aircraft and are augmented by the roll spoilers, panels two through five on each wing. Roll augmentation commands are sent by ELAC1 to the SECs, when the roll command requires a higher roll rate. There is no manual aileron trim; this function is controlled by ELAC 1 by positioning the ailerons directly instead of using a trim tab.

• What does an amber display indicate for a faulty spoiler panel?

  A faulty spoiler panel that is in a deflected position when it should be retracted displays amber. A faulty spoiler panel that is retracted when it should be deflected displays with its position numeral in amber.

• What color indicates failures or turned off computers for ELACs and SECs?

  Failures or turned off computers display in amber.

• What does the lateral movement of the side stick command in roll control computers?

  The lateral movement of the side stick commands a roll rate signal to the other ELAC.