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The open source air traffic simulator
| Date | Stars |
|---|---|
| 2026-07-25 | 546 |
| 2026-07-28 | 546 |
| 2026-07-30 | 546 |
| 2026-08-06 | 546 |
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# BlueSky - The Open Air Traffic Simulator
[](https://open.vscode.dev/TUDelft-CNS-ATM/bluesky)
[](https://GitHub.com/TUDelft-CNS-ATM/bluesky/releases/)
[](https://discord.gg/wkBKgXCHYN)
[](https://pypi.python.org/pypi/bluesky-simulator/)
[](https://pypi.python.org/pypi/bluesky-simulator/)
[](https://pypi.python.org/pypi/bluesky-simulator/)
BlueSky is meant as a tool to perform research on Air Traffic Management and Air Traffic Flows, and is distributed under the MIT license.
The goal of BlueSky is to provide everybody who wants to visualize, analyze or simulate air
traffic with a tool to do so without any restrictions, licenses or limitations. It can be copied,
modified, cited, etc. without any limitations.
**Citation info:** J. M. Hoekstra and J. Ellerbroek, "[BlueSky ATC Simulator Project: an Open Data and Open Source Approach](https://www.researchgate.net/publication/304490055_BlueSky_ATC_Simulator_Project_an_Open_Data_and_Open_Source_Approach)", Proceedings of the seventh International Conference for Research on Air Transport (ICRAT), 2016.
## BlueSky Releases
BlueSky is also available as a pip package, for which periodically version releases are made. You can find the latest release here:
https://github.com/TUDelft-CNS-ATM/bluesky/releases
The BlueSky pip package is installed with the following command:
pip install bluesky-simulator[full]
Using ZSH? Add quotes around the package name: `"bluesky-simulator[full]"`. For more installation instructions go to the Wiki.
## BlueSky Wiki
Installation and user guides are accessible at:
https://github.com/TUDelft-CNS-ATM/bluesky/wiki
## Some features of BlueSky:
- Written in the freely available, ultra-simple-hence-easy-to-learn, multi-platform language
Python 3 (using numpy and either pygame or Qt+OpenGL for visualisation) with source
- Extensible by means of self-contained [plugins](https://github.com/TUDelft-CNS-ATM/bluesky/wiki/plugin)
- Contains open source data on navaids, performance data of aircraft and geography
- Global coverage navaid and airport data
- Contains simulations of aircraft performance, flight management system (LNAV, VNAV under construction),
autopilot, conflict detection and resolution and airborne separation assurance systems
- Compatible with BADA 3.x data
- Compatible wth NLR Traffic Manager TMX as used by NLR and NASA LaRC
- Traffic is controlled via user inputs in a console window or by playing scenario files (.SCN)
containing the same commands with a time stamp before the command ("HH:MM:SS.hh>")
- Mouse clicks in traffic window are use in console for lat/lon/heading and position inputs
## Questions or suggestions?
Visit us on [Discord](https://discord.gg/wkBKgXCHYN), open a topic on the GitHub discussion board, or open an issue.
## Contributions
BlueSky can be considered 'perpetual beta'. We would like to encourage anyone with a strong interest in
ATM and/or Python to join us. Please feel free to comment, criticise, and contribute to this project. Please send suggestions, proposed changes or contributions through GitHub pull requests, preferably after debugging it and optimising it for run-time performaExcerpt of 4,005 characters
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Would you bet a product on this? Bounded 0–100 and slow moving.
matched fp:c7fd1360b9c716a4, topic:simulation