Dihedral

Definitions

• The angle at which the wings are slanted upward from the root to the tip.
• The positive acute angle between the lateral axis of an airplane and a line through the center of a wing or horizontal stabilizer. Dihedral contributes to the lateral stability of an aircraft.

References

• Glider Flying Handbook, Federal Aviation Administration, 2024
• Weight-Shift Control Aircraft Flying Handbook, Federal Aviation Administration, 2008