ATSU gets the latest weather information and simplifies it for your own use.
It is a lightweight, simple aviation tool which includes 
1- PART A suggestions,
a- Short Runway, Narrow Runway detection
b- Calculates Maximum & Minimum Cross wind values for each runway according to TAF & lets you know on briefing section.
c- Detects weather phenomena
d- Inbuilt "threat" functionality for situational awareness and many more...

2- Runway information
a- Cross Wind & Head Wind values for each runway
b- Type of the Runway (ASP, CON etc)
c- Runway Slope
d- Runway Elevation
e- Runway Length & Width
f- Displaced Threshold

3-Airport Frequencies
4- Airport Map
5- Notes
a- You can store your notes on your local and access them later for future use.
b- You can share your airport notes, your experience with other aviators all around the world and read their notes & learn from their experiences as well. You can upvote or downvote for the notes according to their usefulness
6- Approach Path Calculation
a- You can also get approach path corrected for temperature as well.
7- Temperature Correction
8- Wind Component Calculation
9- Fuel Uplift Calculation
10- Hour/Minute Calculation for Logbook Summation
11- Miscellaneous Conversions you may need.
12- Drive Mode is just like a simple radio. When you travel from home to airport, you can listen to latest weather information and important forecasts just like you listen ATIS.
13- Abbreviations section helps you to find ICAO/NOTAM/METAR/TAF related abbreviations easily.
14- NOTAMS section gets the current NOTAMS and classifies it according to their specification to improve readability.
15 - Runway State Decoder works for both ICAO and Russian reporting type. Gives you braking action according to state of the runway.
16- Holdover Times calculated on Details Section of the app with current weather information reported for the airport. If you want, you can manually enter weather information and ATSU handles the rest.
* PS: Holdover times supported for 

What’s New

Version 2.4.2

* Offline usage was made available for Details section, Part-A suggestions and pre-downloaded community notes.
* GMT for airports are now dynamically cross checked thus requiring active internet connection.
* Community Tips & Notes section was revised. Simplified interface has been implemented.
* LogBook Calculation section was revised. Display format has been changed from '14:8' to '14:08'
* Database update for Airports.

App Privacy

The developer, Mehmet Tufan, has indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy.

Data Not Linked to You

The following data may be collected but it is not linked to your identity:

  • Usage Data
  • Diagnostics

Privacy practices may vary based on, for example, the features you use or your age. Learn More


Mehmet Tufan
21.8 MB

Requires iOS 13.0 or later. Compatible with iPhone, iPad and iPod touch.



Age Rating


  • Family Sharing

    Up to six family members will be able to use this app with Family Sharing enabled.

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