> For the complete documentation index, see [llms.txt](https://onpoynt-1.gitbook.io/stem-dragon-version-2/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://onpoynt-1.gitbook.io/stem-dragon-version-2/safety.md).

# Safety

Warning**: Do not install propellers until just prior to flight!**

**Ensure propellers are removed during the building process and whenever troubleshooting.**

Note**: Propellers on - battery disconnected     Battery connected - propellers removed**