The Aviation Dictionary is an English-to-English dictionary designed to help you improve your vocabulary skills. This dictionary is based on the words that are most commonly used in the aviation industry. 

It is free to download and free to use, with no in-app purchases or advertisements. It has an offline mode so you don't have to worry about an internet connection.

It is designed to help you improve your vocabulary skills, so you can use it as a tool to learn new words or to memorize the vocabulary that you already know. Pilots, technicians, ATC, engineers, and other aviation specialists might benefit much from using the Aviation Dictionary.