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.

Go back


Mandatory Broadcast Zone. An MBZ is established to provide increased protection to aircraft in areas of uncontrolled airspace which may have a high volume of traffic, Position reports are required on the designated frequency at regular time intervals and when at specific reporting points. Lights should also be used when operating in or around high traffic areas

7 Day



Get access to the complete catalogue of your chosen subscription level for 7 days. After your free trial, your paid subscription automatically commences. Cancel anytime.

Get FREE Trial


Do you want to be notified each time we upload informative new content to this site? Just enter your email address below to subscribe and receive alerts.