Convair CV-580 Air Atlantic (Polygon mesh 3D model) is available on CGTrader for $89. Original author: Dreamscape. Specs: 34890 polys, 18344 verts.
OBJ (OBJ, filesize: 1.11 MB), DWG (AutoCAD, filesize: 561 KB), 3DS (3D Studio, filesize: 272 KB), DAE (Collada, filesize: 754 KB), DXF (DXF, filesize: 579 KB), LWO (Lightwave, filesize: 296 KB), MAX (Autodesk 3ds Max, filesize: 2.51 MB), TEXTURES (Textures, filesize: 2.21 MB), OTHER (Other, filesize: 952 KB)