Navigation

Ground Speed

Definition

The actual speed of the aircraft over the ground, determined by true airspeed modified by wind. Ground speed affects fuel burn over distance and estimated time of arrival calculations.

Related Terms

True Airspeed(TAS)

The actual speed of the aircraft through the air mass, corrected for altitude an...

Indicated Airspeed(IAS)

The airspeed shown on the cockpit airspeed indicator, derived from pitot and sta...

Test your knowledge

Think you understand Ground Speed? Challenge yourself with practice questions covering navigation and all other ATPL subjects.

Start a Practice Quiz

Or browse all questions by subject