+**Ground Speed** is the speed of an [aircraft](/wiki/aircraft) relative to the surface below, representing its actual progress over the earth. It differs from [Airspeed](/wiki/airspeed), which measures velocity relative to the surrounding air mass, as ground speed is directly influenced by the strength and direction of wind.
+## See also
+- [True Airspeed](/wiki/true_airspeed)
+- [Airspeed](/wiki/airspeed)
+- [Wind](/wiki/wind)
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