Stack Exchange network consists of 175 Q&A communities including Stack Overflow, the largest, most trusted online community for developers to learn, share their knowledge, and build their careers.
Aviation Stack Exchange is a question and answer site for aircraft pilots, mechanics, and enthusiasts. It only takes a minute to sign up.
This photo is an image from a youtube video of Oshkosh 2017.
That would be the Boeing YL-15 a scout plane of which only 12 were built.
Here is the EAA's article about the airplane from the airshow.
Required, but never shown