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.
Keywords from Image Description:
CessnawithVotexGenerators. Model Cessna in flight showing aftermarket vortex generators on the wing leading edge took this photo and release it to the public domain Ahunt en Ahunt original upload log en Common Good CommonsHelper page en CessnawithVotexGenerators Ahunt bytes no took this photo and relase it to the public