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Welcome to AirSim

AirSim is a simulator for drones (and soon other vehicles) built on Unreal Engine. It is open-source, cross platform and supports hardware-in-loop with popular flight controllers such as PX4 for physically and visually realistic simulations. It is developed as an Unreal plugin that can simply be dropped in to any Unreal environment you want.

Our goal is to develop AirSim as a platform for AI research to experiment with deep learning, computer vision and reinforcement learning algorithms for autonomous vehicles. For this purpose, AirSim also exposes APIs to retrieve data and control vehicles in a platform independent way.

Check out the quick 1.5 minute demo

AirSim Demo Video

What's New

AirSim has been going through massive revamping and new additions. It now has built-in flight controller called simple_flight that "just works" without any additional setup. It is also now default. AirSim now also generates depth as well as disparity impages that is in camera plan. We also have official Linux build now! If you have been using AirSim with PX4, you might want to read the release notes.

How to Get It



How to Use It

Manual flights

If you have remote control (RC) as shown below, you can manually control the vehicle in the simulator.

More details

record screenshot

Programmatic control

AirSim exposes APIs so you can interact with vehicle in the simulation programmatically. You can use these APIs to retrieve images, get state, control the vehicle and so on. The APIs are exposed through RPC and accessible via variety of languages including C++, Python, C# and Java.

These APIs are also available as a part of a separate independent cross-platform library so you can deploy them on an companion computer on your vehicle. This way you can write and test your code in simulator and later execute it on the real drones. Transfer learning and related research is one of our focus areas.

More details

Gathering training data

There are two ways you can generate training data from AirSim for deep learning. The easiest way is to simply press the record button on the lower right corner. This will start writing pose and images for each frame. The data logging code is pretty simple and you can modify it to your heart's desire.

record screenshot

A better way to generate training data exactly the way you want is by accessing the APIs. This allows you to be in full control of how, what, where and when you want to log data.

Computer Vision mode

Yet another way to use AirSim is so-called "Computer Vision" mode. In this mode, you don't have vehicle physics and dynamics but you can use keyboard to move around and use APIs to position vehicle in any arbitrary pose and get images such as depth, disparity, surface normals or object segmentation.

More details

Video Tutorials



More technical details are available in AirSim paper (FSR 2017 Conference). Please cite this as:

  author = {Shital Shah and Debadeepta Dey and Chris Lovett and Ashish Kapoor},
  title = {AirSim: High-Fidelity Visual and Physical Simulation for Autonomous Vehicles},
  year = {2017},
  booktitle = {Field and Service Robotics},
  eprint = {arXiv:1705.05065},
  url = {https://arxiv.org/abs/1705.05065}


We welcome contributions to help advance research frontiers.


Join the AirSim group at Facebook to stay up to date or ask any questions.


If you run into problems, check the FAQ and feel free to post issues on the AirSim github.


This project is released under MIT License. Please review License file for more details.