> For the complete documentation index, see [llms.txt](https://manual.fotokite.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://manual.fotokite.com/operational-guidelines/operating-conditions.md).

# Operating Conditions

Always keep the Kite and Tether a minimum of 6 m (20 ft) from trees and structures, and a minimum of 15 m (50 ft) from power lines. In areas with tall buildings, be aware of rapidly changing air currents and wind speed. If at any time inclement weather conditions begin to form, it is recommended to recall the Kite and re-evaluate the flight capability within current and approaching weather conditions.

{% hint style="danger" %}
Stay clear of the UAV's propeller blades during all phases of operation. The rotating blades can pose a serious injury risk.
{% endhint %}

{% hint style="danger" %}
Due to the UAV's mass and maximum operational altitude, it must not be operated directly above uninvolved people. Maintain a horizontal distance of 5m from uninvolved people.
{% endhint %}

{% hint style="danger" %}
**Do NOT fly in thunderstorms, heavy or freezing rain, freezing fog, heavy snow or hail conditions**. If lightning is in your area, return Kite to Ground Station immediately and evaluate weather conditions. If lightning persists, do not operate Kite until conditions clear.
{% endhint %}

{% hint style="warning" %}
In high wind conditions, you may hear the pitch of the propeller noise fluctuate rapidly. This is due to wind gusts and is only a concern if the Kite begins to visibly lose its alignment with the Ground Station past the envelope described in the [Kite and Tether Envelope](/operational-guidelines/kite-and-tether-envelope.md) section.
{% endhint %}

{% hint style="success" %}
In temperatures below 0°C (32°F), a thin coating of WD40 or Rain X should be applied to each propeller blade to prevent icing. Ice build-up on props can cause a hazardous condition and may result in damage to the Kite.
{% endhint %}

### For Rooftop Box Systems

If the vehicle is stored in cold temperatures below 0°C (32°F), the system may require additional time for the backup batteries to warm up before it is able to fly from a cold start.


---

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