# Airframe Setup (PX4) To select the airframe in PX4: 1. Start _QGroundControl_ and connect the vehicle. 2. Select **QGroundControl icon > Vehicle Setup > Airframe** (sidebar) to open _Airframe Setup_. 3. Select the broad vehicle group/type that matches your airframe and then use the dropdown within the group to choose the airframe that best matches your vehicle. ![Airframe options](../../../assets/setup/airframe_px4/airframe_px4.jpg) The example above shows _Generic Hexarotor X geometry_ selected from the _Hexarotor X_ group. 4. Click the **Apply and Restart** button on the top right of the screen. 5. Click **Apply** in the following prompt to save the settings and restart the vehicle.