Mounting the Flight Controller
Orientation
Almost all Flight Controllers have a heading mark arrow (shown below). The controller should be placed on the frame top-side up, oriented so that the arrow points towards the front of the vehicle (on all aircraft frames - airplane, multirotor, VTOL, ground vehicles etc.).
:::note If the controller cannot be mounted in the recommended/default orientation (e.g. due to physical constraints) you will need to configure the autopilot software with the orientation that you actually used: Flight Controller Orientation. :::
Vibration Isolation
Flight Control boards with in-built accelerometers or gyros are sensitive to vibrations. Some boards include in-built vibration-isolation, while others come with mounting foam that you can use to isolate the controller from the vehicle.
You should use the mounting strategy recommended in your flight controller documentation.
:::tip Log Analysis using Flight Review > Vibration explains how to test whether vibration levels are acceptable, and Vibration Isolation suggests a number of possible solutions if there is a problem. :::
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