Update! MSFS2020 - Mobile Companion App - V.1.5.1

MSFS Mobile Companion App is a tool that allows you to control essential aircraft instruments such as NAV frequencies or autopilot using almost any mobile device. The MSFS Mobile Companion App is free to use.


- Fixed Load Flight Plan not working on Steam versions (v1.5.1 hot fix)


- Added landscape mode (split-screen for map and controls).
- Added option to load your current flight plan.
- Switched active and stand-by NAV/COM displays.


- Dedicated A320 autopilot controls (tested with default A320 and FBW A32NX v0.5.1).

- Various UI fixes, especially for iOS devices.

- UI improvements for color-blind users.


- FLC autopilot implemented.

- Added GPS track line for the VFR map.

- Added light controls.

- Added pitot heat and deicing controls (deicing controls may be limited depending on the plane, windshield deicing is not yet supported by SimConnect).


Important notice: Don't install the app on your mobile device. Download and run it on your PC. This creates a local webserver to which you connect via an IP address.


Added COM1/2 and transponder.

Added vertical speed at touchdown.

Added simulation rate controls.

Improved stability and performance. Multiple devices/browsers can now connect to the app concurrently.

Added dark moving map style.

Fixed default moving map not displaying.

Various minor bug fixes.


Moving Map (Open Street Maps).

NAV 1/2 frequency and OBS 1/2 selection.

ADF frequency and ADF card selection.

COM 1/2 and transponder selection.

Autopilot with altitude, vertical speed, and airspeed settings.

Gyro drift and altimeter pressure settings.

Landing ratings (vertical speed at touchdown).

Simulation rate controls.

MSFS Mobile Companion App features:

  • Moving Map (Open Street Maps)
  • NAV 1 frequency and OBS 1 selection
  • NAV 2 frequency and OBS 2 selection
  • ADF frequency and ADF card selection
  • Autopilot with altitude, vertical speed, and airspeed settings
  • Gyro drift and altimeter pressure settings

How do I run MSFS Mobile Companion App?

  1. Make sure your PC and your mobile device are connected to the same local network and that your home network is set to Private in your Network Profile settings.
  2. Start a flight in Microsoft Flight Simulator.
  3. Run MSFS_MCA.exe that you've unzipped previously.
  4. A Microsoft Defender security window may open when launching MSFS_MCA.exe for the first time. Allow the "unrecognized app" to run. Additionally, a Windows Security Alert Window may open when you launch MSFS_MCA.exe for the first time. Allow private network access for MSFS_MCA.exe in the Windows Security Alert Window.
  5. A command line window will open that will give you instructions on the IP-address where you can access the MSFS Mobile Companion App. Don't close the command line window.
  6. Open the IP-address in your mobile device's web browser. The IP address will most likely be something like 192.168.0.XXX:4000.

Notice: You can launch MSFS Mobile Companion App directly from your PC's browser. In that case, just type in localhost:4000 in your browser's url bar.

Known issues:

  • NAV frequencies can get out of sync, especially when rapidly pressing frequency adjustment buttons. Use the "Force Sync Frequencies" button to synchronize frequencies with the sim.
  • NAV frequencies are not automatically synchronized when starting a second flight. Use the "Force Sync Frequencies" button to synchronize frequencies with the sim.
  • Tuning frequencies in the NAV tab doesn't work for the default 747, A320, CJ4 and King Air 350i. Use the NAV Direct tab for these planes.
  • CDI switch doesn't work in 747, A320 and CJ4.
  • NAV Direct can only switch the CDI between VOR1 and GPS. VOR2 is not available.
  • MSFS Mobile Companion App may crash when accessing it from multiple devices at once.

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