Piper Cherokee Arrow (Polygon mesh 3D model) is available on CGTrader for $89. Original author: Dreamscape. Specs: 38332 polys, 20294 verts.
STL (Stereolithography, filesize: 580 KB), OBJ (OBJ, filesize: 1.24 MB), LWO (Lightwave, filesize: 188 KB), DWG (AutoCAD, filesize: 684 KB), OTHER (Other, filesize: 2.74 MB), MAX (Autodesk 3ds Max, filesize: 248 KB), DXF (DXF, filesize: 671 KB), TEXTURES (Textures, filesize: 1.89 MB), 3DS (3D Studio, filesize: 248 KB), W3D (Shockwave 3D, filesize: 657 KB), 3DM (Rhinoceros 3D, filesize: 663 KB), SKP (Sketchup, filesize: 2.5 MB)