> For the complete documentation index, see [llms.txt](https://docs.gremsy.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.gremsy.com/gimbals-for-m300-m350/pixy-sm/mapping-mission-instruction/before-flight-checklist.md).

# Before Flight Checklist

* SD card check:
  * Camera SD card
  * Gimbal SD card
* Hotshoe connection: Hot Shoe plugged in tightly as picture below

![](/files/SVoANuj1zFPj601Xa5YJ)

* Check the PixySM payload on the M300 Remote:
  * Payload Status (1)
  * Hotshoe connected (2)
  * SD card connected (3)

![](/files/vaBjttWe15NZ4rTmJrdP)

* Check Map Route
* Start mission
* Power OFF M300
* Power OFF camera
* Post process flight data


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