Pilatus PC-12 Low-poly 3D model is available on CGTrader for $15. Original author: Helijah. Specs: 19933 polys, 22450 verts.
STL (Stereolithography, filesize: 1.72 MB), OBJ (OBJ, filesize: 1.83 MB), FBX (Autodesk FBX, filesize: 1.59 MB), BLEND (Blender, filesize: 6.33 MB), OTHER (Other, filesize: 4.27 MB), PNG (PNG, filesize: 1.69 MB), GLTF (glTF, filesize: 2.68 MB)