This image was acquired from
wikimedia. It was marked as Public Domain or CC0 and is free to use. To verify, go to the source and check the information there.
Swashplate. Helicopter swashplate assembly rotors removed own work using Blender YafRay KoenB public domain Swashplatetilted Helicopter rotors Swashplates
Page 2023 Free-images.com. All images are Public Domain