# AS1318C Airspeed Sensor

## Ardupilot quick start guide

{% hint style="info" %}
Complete configuration and calibration are only available in the fixed-wing type airframe configuration
{% endhint %}

In MissionPlanner, set *ARSPD\_TYPE* to *1*. *Write Parameters* and power cycle the flight controller.&#x20;

Once configured, you should see airspeed data on the main UI or the status list:

<figure><img src="/files/KVAcDXUJmhiiNVkCsUrK" alt=""><figcaption></figcaption></figure>

## PX4 quick start guide

In QGC, set *SENS\_EN\_MS4525DO* to enable. *Reboot Vehicle* or power cycle the flight controller.

<figure><img src="/files/CTOLMcLz5PvDPRfF8K2q" alt=""><figcaption></figcaption></figure>

Once set, you should see the airspeed reading on the main interface:

<figure><img src="/files/VN6WbcOL1nDv3WsWXbf9" alt=""><figcaption></figcaption></figure>

Make sure to calibrate the airspeed sensor for accurate reading.

<figure><img src="/files/avqhuTwr7ppIEMw08ZFd" alt=""><figcaption></figcaption></figure>


---

# Agent Instructions: Querying This Documentation

If you need additional information that is not directly available in this page, you can query the documentation dynamically by asking a question.

Perform an HTTP GET request on the current page URL with the `ask` query parameter:

```
GET https://docs.holybro.com/peripherals/as1318c-airspeed-sensor.md?ask=<question>
```

The question should be specific, self-contained, and written in natural language.
The response will contain a direct answer to the question and relevant excerpts and sources from the documentation.

Use this mechanism when the answer is not explicitly present in the current page, you need clarification or additional context, or you want to retrieve related documentation sections.
