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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Oleo

An aircraft shock absorber on the landing system of most aircraft. It is a pneumatic, air-oil hydraulic shock absorber. Some smaller aircraft may have coil springs and both serve to dampen the impact of landing, with the hydraulic system being more effective.

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