> For the complete documentation index, see [llms.txt](https://docs.sky-drones.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.sky-drones.com/avionics/airlink/certification.md).

# Certification

SmartAP AIRLink has the required RF compliance certificates.

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Please contact us [here](https://sky-drones.com/contact-us) for certificates pack.
{% endhint %}

## Redundancy

* 3x redundant IMU (accelerometers, gyroscopes, magnetometers)&#x20;
* 3x redundant pressure sensors&#x20;
* 2x redundant GNSS&#x20;
* 3x redundant power supply input&#x20;
* Low battery failsafe&#x20;
* GNSS loss failsafe&#x20;
* Radio link loss failsafe&#x20;
* Manual control loss failsafe
* IMU health checker
