ATPL Dictionary is a must-have aviation reference with more than 30,000 users worldwide, with over 1000 definitions and 900 abbreviations in the full version. If you're an aviation enthusiast or aviation curious, there's plenty here for you too. Definitions are based on subjects in the Airline Transport Pilot License syllabus, such as:

- Radio Navigation
- Meteorology
- Airframes
- Operational Procedures
- Human Performance and Limitations
- Mass & Balance
- Instrumentation
- Principles of Flight
- Aircraft Performance
- Flight Planning
- General Navigation
- Air Law
- VFR Communications
- IFR Communications

Word of the Day - Feed your brain each morning with a randomly selected definition.

Favorites - Keep a quick reference to those definitions you use most.

Share - Send definitions to friends and tell them about ATPL Dictionary via email, Facebook, WhatsApp and other popular social and messaging platforms.

Autopilot - Engaging the autopilot enables text-to-speech conversion so definitions are read aloud to you. Autopilot also provides translation service to several languages. Language options currently available via translation are:
- English (US)
- English (UK)

With the full version-available through in-app purchase-you get access to:

- The full list of terms and definitions in ATPL Dictionary; you gain access to more than 400 definitions not available in the free version!
- More than 900 Abbreviations.
- Lifetime upgrade: You only ever have to pay once and you continue to receive free updates!
- iCloud sync: Sync your purchase across all your devices.
- Remove ads.

New definitions are constantly being added, but you don't have to wait. Send definition and/or feature requests to or tap on "Send Feedback" in the app's menu to email your suggestions.

If you believe a definition is incorrect or needs to be more elaborate you can send feedback about these, or any other issues you have, and they will be fixed!

What's New

Version 4.3.5

Bug fixes.

Ratings and Reviews



This app will not open... I want my money back

New Update crashes the app!!


Used to enjoy this application every day until I downloaded the current update. Am no longer able to open it, it crashes right away both on my iPhone 6+ and my iPad. Basically the app doesn't work anymore. Will appreciate if this bug will be fixed asap. Thanks

Update issue


With the latest update there is a problem while I'm trying to open the application it crashes and will not be open .


Lybron Sobers
42.9 MB
Requires iOS 10.3 or later. Compatible with iPhone, iPad, and iPod touch.
Age Rating
Rated 4+
© Lybron Sobers
In-App Purchases
  1. ATPL Aviation Dictionary Full Version $0.99


  • Family Sharing

    With Family Sharing set up, up to six family members can use this app.

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