An AC's best friend - "Better than TACC"

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Easy to Use, Accurate Times

Check out what you can do with this great app!

Always On You

Available any time you have your phone. Made for C-17s, C-130s, and KC-135s!

Free Features

The Quick Duty Day Calculator is free, just download the app and go!

Generate Set Message

No more Zulu/Local confusion, quickly generate a set message and share it using your favorite app!

Countdown Widget

View a constant countdown to your next Alert or Take Off!

But wait, there's more...

Unlock all of these great features with a small in-app subscription.

Oceanic NOTAMS

Never cross the ocean without Oceanic NOTAMs again, quickly download them and the latest track message!


Calculate Pounds/Gallons/Liters and 781 Math right in the app.

Per Diem Rates

Search 40k world wide per diem rates, updated frequently.

Station Notes

Share local restaurant/shoppette/gym hours with other crews!

Discover what all the buzz is about!

Our app is available on all iOS devices! Download now to get started!

A limited version of the app is available for Android. Download now to get started!

Let's Get Started

A quick "how-to" for our most popular features.

How to Add a Crew Rest

It's as easy as tapping your screen!

How to Enable the Countdown Widget

You can also 3D Touch the app icon to see the widget at any time!

How to Send a Set Message

Tap Share in the top right corner, choose the app of your choice, add any additional information and tap send. Its that easy!

Works with your Favorite Messaging App

We have tested it with over 30 popular iOS messaging apps! Don't see your favorite? You can always copy and paste.

We feedback!

Use the Contact Us feature in the app to send us your suggestions.