Inside Systems Pty Ltd

Providing elegant solutions to demanding and complex problems

RealTraffic – fly with live and real air traffic in your simulator

Live statistics: Total time flown by all users since January 2017: 10658.44 days ( = 29 years, 2 months, 12 days )

How does it work, and what does it do?

RealTraffic consolidates data from multiple international ADS-B and multilateration networks to obtain information about other airplanes near the position of your (simulated) aircraft – in realtime, live! It then injects this traffic into PSX (natively), or into P3D or FSX via the PSXSeeconTraffic add-on. For PSX, the traffic limit is 7 aircraft, therefore only the 7 nearest targets are injected into PSX for display in the TCAS system. For P3D and FSX, there is no limit on the number of aircraft detected nearby your position.

The software also allows broadcasting of all the traffic it is receiving via UDP protocol. This allows third party applications such as Foreflight on the iPad to display all the traffic on its moving map display.

Version 5 (released Sep 8, 2017) allows playback of historical flight data up to 48h into the past (in real time), as well as injecting your own aircraft into the real world, allowing others to see where your aircraft is flying and showing up in their traffic feed. Other simulator users are shown with a leading [S] in the callsign, and [FLIGHT SIM USER] in the nearest 7 traffic list. The current (based on the time slider) weather is always shown for the nearest airport in the traffic list, as an easy reminder to always have the correct QNH and landing/takeoff runways available.

Download links for version 5.0.17


  • Please download the software and test whether it does what you want it to prior to purchasing a license. During the demonstration time the software is fully functional! If it doesn’t work during the demo, it won’t work after purchasing a license!
  • If you want to use it for more than 3 x 5 minutes every 24 hours, please purchase a license.
  • You will instantly receive your license via email sent to the email address registered with PayPal! Almost all licenses are issued within less than a minute of PayPal accepting payment. If it’s not there, check your spam folder, the sender of the license email is Occasionally we’ve noticed however that the PayPal systems are lagging and it can take up to an hour. If you do not receive your license after 1 hour, and you’ve double checked your email address registered with PayPal, made sure you can receive email there, and checked your spam box, please email with your PayPal receipt and we will work on issuing a license manually.
  • You are acquiring a time limited license to the software, NOT the traffic data! Traffic data is provided on a best effort basis and cannot be guaranteed to be up to date or available at all times!
  • Last but not least: If your name is written in Chinese, or Arabic, or Cyrillic in PayPal, please change it to use a westernised name, otherwise the license will need to be re-issued to a westernised version of your name. This will require manual processing and therefore will cause delays in obtaining your license.

Download for Windows (3MB) | Download Standalone for Windows (42MB) | Download for OS X (3MB) | Download Standalone for OS X (58MB) | Download for Linux (3MB)

6 month license (all platforms) USD $35.99

40% discount on monthly
3 month license (all platforms) USD $19.99

35% discount on monthly
1 month license (all platforms) USD $9.99

Currently flying user aircraft:

Callsign Type Registration Latitude Longitude Track Altitude Ground Speed From To
SK264 B737 56.568811 10.954667 316 38000 406
BRASILVO STEAM TWR -22.809965 -43.252985 110 0 0 GIG GIG
DLH8PF A320 DAIUH 39.176218 23.501583 45 0 0 INN SGT
00000000 0000 00000000 46.0126 11.1287 39 685 0
KLM123 B738 PH-BXH 52.299874 4.7528 239 0 0 AMS FRA

Fault finding / debugging instructions

Firstly, please remember that RealTraffic only works natively with the PSX 747-400 flight simulator software. If you are using FSX or P3D, you are using Nico’s PSXseeconTraffic addon – and whatever problem you’re having most likely originates in that corner of the universe. Please check out his forum here if that’s the case:

If you still think there is a problem with RealTraffic and it doesn’t behave as expected, follow these few simple steps to help with debugging. RealTraffic has been shown to run on thousands of computer configurations without problems. It’s been tested on Windows 7/8/10, OS X, and Linux.

  • Remove any equipment from your network that might be trying to put itself inbetween your computer and the internet. This can result in security exceptions and the connection won’t succeed, preventing RealTraffic from running. There are for example free internet deals in the US where marketing firms will sniff your internet behaviour by injecting themselves between your computer and the servers you’re retrieving data from, in return for free internet. This won’t fly, literally, with RealTraffic.
  • To see whether the server RealTraffic needs to be able to access to run is reachable, try connecting your browser to the RealTraffic status page on the same computer as RealTraffic is running on. If you can’t connect, the problem is network related. Check your internet connection and your DNS settings.
  • If the problems still persist, try downloading the “standalone” version as it includes all of the required runtime libraries and will run independently of your locally installed Java Runtime Environment (JRE).
  • Finally, make sure you have all the software bits and bobs connected. RealTraffic is largely “add-on” agnostic – it doesn’t know whom it is talking to on the server port, whether that’s PSX, PSXSeeconTraffic, or another third party app. Make sure they are indeed providing the data RealTraffic needs to function.
  • As of release 4.0.4, you can start RealTraffic in debugging mode from the command line / terminal. This can help you locate problems with your installation. On Windows, simply open a terminal/console, change into the directory the software is located in, and run “java -jar RealTraffic.exe debug” and watch the console for debugging output. Make sure to include that output in any support email you might send.
  • And then, as a last step, if you’re really convinced you’ve found a new bug, please contact us via email: support at


Approaching RWY28R at KSFO there are numerous other airplanes visible in the RealTraffic screen to the left, as well as in the TCAS (note that the gear lever is up still, TCAS limits displayed information to RA’s only when the gear is down).

Approaching Runway 28R at San Francisco Intl. The real world traffic is visible both in the TCAS as well as the visual view.

Approaching Runway 28R at San Francisco Intl. The real world traffic is visible both in the TCAS as well as the visual view.

Following are some more screenshots showing traffic as shown in RealTraffic and in the PSX cockpit. If you are seeing traffic in the RealTraffic application, but you can’t see the traffic in TCAS, make sure you have the display of traffic on your navigation display enabled by pressing the TFC button on the EFIS control panel.

Screen Shot 2015-01-24 at 15.01.09 Screen Shot 2015-01-24 at 15.01.05

Testing the system by climbing into the approaching Etihad 183 (a Boeing 777W). Watch the TCAS RA on the PFD/ND to the right.

RealTraffic_ETD183_conflict RealTraffic_PSX_ETD183_conflict


The traffic is also visible in the new Foreflight display:


Release history

– bug fix: deals gracefully with corrupted ini files.
– bug fix: fixed a null pointer exception when a QNH or air traffic queries timed out.
– bug fix: renewed licenses can now be entered directly when starting the software with an expired license.
– improvement: better debug information is now available when running in debug mode.
– stability improvements.
– improved license error handling.
– stability improvements.
– added console debugging output.
– allows zooming into the radar map to 0.25 NM diameter.
– fixed internal UDP socket bindings so third party apps can bind onto the same ports and network interfaces without blocking each other.

– automatically establishes connection to the PSX server
– cooperates with Nico Kaan’s PSXseeconTraffic to bring RealTraffic into FSX/P3D world
– fixed network latency issue.
– updated network traffic format.
– added ability to disable PSX traffic injection.

– a minor bug was corrected.
– the windows program and setup executables are now cryptographically signed.
– Make the individual sections collapsible.
– Always persist settings on exit.
– Fixes flipping traffic in PSX: Traffic now no longer makes sudden jerky motions in PSX.
– Provides platform specific user interfaces including installers for Windows and OSX.
– 10 minute time limit on the free demo.
– AIR/GND traffic or automatic traffic selection is now possible.
– Disable connection failure dialog box on autostarted reconnect. Now only displays when manually connecting.
– Obtain correct broadcast address for currently selected IPv4 interface
– Automatically reconnects if PSX disconnects, the network connection drops, or PSX is restarted.
– Displays ground traffic as well
– First public non-beta release.