PX4 Autopilot User Guide

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PX4 is the Professional Autopilot. Developed by world-class developers from industry and academia, and supported by an active world wide community, it powers all kinds of vehicles from racing and cargo drones through to ground vehicles and submersibles.

This guide contains everything you need to assemble, configure, and safely fly a PX4-based vehicle.

This guide is still a work in progress! It does not yet cover all of PX4.

Forums and Chat

The core development team and community are active on the following forums and chat channels:

Reporting Bugs & Issues

If you have any problems using PX4 first post them on the support channels above (as they may be caused by vehicle configuration).

If directed by the development team, issues may be raised on Github here. Where possible provide flight logs and other information requested in the issue template.


PX4 code is free to use and modify under the terms of the permissive BSD 3-clause license. This documentation is licensed under CC BY 4.0. For more information see: PX4 Development Guide > Licences.


The following icons used in this library are licensed separately (as shown below):

placeholder icon made by Smashicons from www.flaticon.com is licensed by CC 3.0 BY.

camera-automatic-mode icon made by Freepik from www.flaticon.com is licensed by CC 3.0 BY.

© PX4 Dev Team. License: CC BY 4.0            Updated: 2018-04-26 10:24:41

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