Just Flight, a well-known addon developer and seller, has today posted via their Facebook page a new set of previews of their currently WIP Boeing 747 Classic for Prepar3D. The post also included some information about the development. Just Flight confirmed, that they are currently working on the aircraft systems and that the X-Plane 11 version is planned too.
Just Flights 747 Classic will feature three variants of the aircraft with multiple engine options, PBR textures, custom ground equipment or a realistic wing-flex for example.
There is no release date or the price yet. Stay tuned on FSNews for upcoming updates.