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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Speci

A special aerodrome report issued off the hour.They are prepared when some weather element changes significantly. An improvement of weather conditions must last for at least 10 minutes before a Speci detailing the improvements is issued.

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