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A wing with strong dihedral effect will, in a steady sideslip,

  • A.Require no aileron at all
  • B.Require rudder only
  • C.Roll uncontrollably
  • D.Require aileron held into the sideslip

Answer: D

The dihedral effect tries to roll the aeroplane away from the sideslip, so the pilot must hold aileron into it to maintain a steady slip. The amount required is a direct flight test measure of the dihedral effect's strength.

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