Ground speed

From Free net encyclopedia

Ground speed is the speed of an aircraft relative to the ground. It is the sum of the aircraft's true airspeed and the current wind and weather conditions; a headwind subtracts from the ground speed, while a tailwind adds to it. Winds at other angles to the heading will have components of either headwind or tailwind as well as a crosstrack component. Calculations of resulting ground speed are often done using an E6B flight computer.

See also

• Airspeed

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