Since we last reported regarding the Felis 747 Classic project (for X-Plane 11), the developer has posted several new in-simulator images showcasing ongoing design progress. The screenshots highlight both the exterior model and cockpit environment.
Please see below.
To view the original preview and accompanying commentary, jump to page 42 of the project development thread via x-plane.org and work you way forward. For more information about Felis Planes, visit the developers website.
Keep in mind, the project has been previewed extensively over the past year or so.