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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The surface that aircraft use to take-off or land. Different materials are used for runway surfaces, the most common being bitumen or grass. Runways are graded based on their strength and ability to hold the weight of aircraft without breaking or sinking. This grade is shown on the aerodrome charts which also gives the size of the runway and the runway designator, along with other important information.

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