Aviation Dictionary

Groundspeed (GS)

The actual speed of the airplane over the ground. It is true airspeed adjusted for wind. Groundspeed decreases with a headwind, and increases with a tailwind.

Dictionary Term

Groundspeed (GS)

Definition

The actual speed of the airplane over the ground. It is true airspeed adjusted for wind. Groundspeed decreases with a headwind, and increases with a tailwind.

References

Airplane Flying Handbook, Federal Aviation Administration, 2021