Aviation Training Experts™

Aviation Dictionary

LDMAX

The maximum ratio between total lift (L) and total drag (D). This point provides the best glide speed. Any deviation from the best glide speed increases drag and reduces the distance you can glide.

Dictionary Term

LDMAX

Definition

  • The maximum ratio between total lift (L) and total drag (D). This point provides the best glide speed. Any deviation from the best glide speed increases drag and reduces the distance you can glide.

References

  • Helicopter Flying Handbook, Federal Aviation Administration, 2019