· With EAA Airventure (Oshkosh) 2020 being cancelled, what impact is this going to make on people's plans? Is Zenith going to have anything going on that week no. Search. Sign Up; Sign In; Zenith Aircraft Builders and Flyers. Online Community of Zenith Builders and Flyers. Home; My Plane; Photos. Model. Forums. ENGINE FORUMS. Blogs. Zenith. Info FAQ. .