SPEEDBRAKE / SPOILERS
  • 31 Jan 2023
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SPEEDBRAKE / SPOILERS

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Article Summary


SPEED BRAKE LEVER

  • Symmetrically deploys the multi-function spoilers. All spoiler panels deploy at the same angle in response to the speed brake lever position.

SPOILER SYSTEM

  • 5 spoiler panels each wing. 3 outboard spoilers each wing are called multifunction spoilers.
    • Roll Control: Deployed asymmetrically for roll augmentation by pilots control wheel.
      • Direct mode: Function at a default fixed gain.
    • Speed Brakes: Deploys all six multifunction spoiler panels symmetrically during flight by speed brake handle position.
      • Automatically retract: selection of slat/flap 2 or above, or airspeed below 180 KIAS, or TLA above 70 degrees.
      • Not available in direct mode.
    • Ground Spoilers: All ten spoiler panels deployed symmetrically to the fully extended position during landing roll.
      • Ground spoilers not available in direct mode.