Published by Helios Avionics GmbH on Apr 12, 2023

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About Horizon Portable Glass Cockpit

1. "Horizon - Your Portable Glass Cockpit" is currently available for Android, iOS and Linux. - Optional connection with our SensorBox and 3rd party GDL90 devices (Stratux, TalosAvionics, etc... * worldwide data include: high quality data for Europe, USA, New Zealand, Canada and basic data for the rest of the world.

2. With "Horizon -Your portable Glass Cockpit" we are providing you straightforward navigation and enhanced situational awareness, so that you can concentrate on what really matters – the fun of flying!

3. New intuitive visualizations improve the situational awareness and thus make it possible, in particular for private pilots, to provide greater flight safety, less stress and thus greater enjoyment of flying.

4. It provides a backup system for all relevant instruments for navigation and orientation in the air using the internal sensors of a tablet or smartphone or an external solution (such as our SensorBox or third party GDL90 compatible devices like Talos, Stratux or Levil).

5. Therefore, it contains all relevant functions of a modern glass cockpit on a tablet, as well as the advantage of redundancy due to complete independence from the built-in avionics.

6. A fully functional portable glass cockpit (EFIS) for general aviation pilots.

7. We are a young and dynamic team of pilots, who admire flying and are constantly pursuing the dream of making the world of avionics more user friendly.

8. It improves your flight experience, offering you intuitive visualizations for enhanced situational awareness.

9. Since we are proud FAA Private Pilot License holders with Instrument Rating, we can offer you products made by pilots and created for pilots.

10. Please also see our distribution overview maps.

11. Please be advised that "Horizon - Your portable Glass Cockpit" is not designed as an official flight instrument; usage is only permitted according to the EULA ( ) and applicable law. Problems or questions?

Horizon Portable Glass Cockpit Customer Insights

1. If you don't care about the price, and potential reliability problems it definitely looks like a nice and useful app..... Just to answer your remark: Having in mind the poor quality of the application and how unreliable it is, one has to be demented to rely on this application in a real airplaneI have had it for over a year.

2. As an addition it never asked me to provide a password for my account... I created an account and then just provided the username and it logged in :) If it was 3-5€ / year was going to be a good deal for what it offers.

3. Would be great if it had support for MDFS 2020 just like X-Plane.Looks like a very nice app, but too amateur for the asked price of €100/year :).

4. Even better, in my Sonex, I installed a uAvionics ADSB "out" system and I use it as a hybrid AHRS / GPS solution.

5. Thanks for making this great application.Will not even start on my generic Android 8.0 tablet.

6. I use the phone (Galaxy Note 10) for AHRS and the uAvionics wifii connection for ADSB traffic and GPS.

7. Gets to the splash screen and just hangs.Asking for creating account, then app didn't really work.

8. I am also a software developer so I appreciate good quality stuff.

9. Keep up the good work!Let's see where do I begin, for starters the app is NOT free.

10. The latest revisions that support other ADSB/GPS sources have really made a big difference.

11. I assume that spending some money would help with the unlocking of those features!The best Glass cockpit app I have used.

Steps to Troubleshoot & Fix Horizon Portable Glass Cockpit Issues

1. Fix Horizon Portable Glass Cockpit Not Working/Crashes/Errors/Unresponsive & Black/White screen:


  1. Restart Horizon Portable Glass Cockpit: Restarting the app will resolve most errors.
  2. Update the Horizon Portable Glass Cockpit App. Here is how:
    1. On Android goto PlayStore » Search for "Horizon Portable Glass Cockpit" » Open Horizon Portable Glass Cockpit » click "Update".
    2. On iPhone, goto AppStore » Your profile » Available Updates » Check for Horizon Portable Glass Cockpit » click "UPDATE".
  3. Clear Horizon Portable Glass Cockpit app cache: Clearing cached data will force your app to retrieve the latest data directly from Horizon Portable Glass Cockpit servers.
    1. On Android, goto Settings » Apps » Select "Horizon Portable Glass Cockpit" » click Storage » click "Clear Cache".
  4. Check Horizon Portable Glass Cockpit app permissions. If any of these permissions required to use your device's features are disenabled, Horizon Portable Glass Cockpit might not work.
  5. Uninstall and reinstall Horizon Portable Glass Cockpit. If nothing else has worked, completely uninstall Horizon Portable Glass Cockpit then reinstall.
  6. Restart your device. Last, restarting your device can often clear most problems causing Horizon Portable Glass Cockpit not working


2. Fix Horizon Portable Glass Cockpit Server issues & Internet Connection


  1. Check network connection: An unstable Internet will make Horizon Portable Glass Cockpit be unable to connect to it's servers. Ensure your wi-fi is working then restart app.
  2. Disable VPN: VPN can cause connection errors and lead to Horizon Portable Glass Cockpit not working. Make sure all VPNs are off
  3. Enable background data: When Background data is turned off, Horizon Portable Glass Cockpit may not be able to connect to the Internet when running in the background.

Reported Issues