Aviation Dictionary

On this page you will find a searchable and comprehensive alphabetical list of aviation terms. You can help us make it the most comprehensive list in the world. If we have missed anything, click on the ‘send us your word’ button to send us your word, acronym or definition and we will consider adding it to our dictionary.

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Ground Effect

When an aircraft is flying close to the ground, no more than a wingspan distance away, the air that flows over the wing tips to create wing tip vortices, are unable to fully form and instead, forms a cushion of air which contributes to a slight increase in lift and a reduction of drag.

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