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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Propeller

A device that is fitted to the front of a piston aircraft and is turned by the engine to create a propulsive force which creates either a pulling or pushing force, which enables the forward movement of an aircraft. Propellers can be either Fixed Pitch or Variable Pitch and have a minimum of 2 blades but could have as many as 14!

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