Cessna 182 Skylane Seaplane Low-poly (Polygon mesh 3D model) is available on CGTrader for $45. Original author: 3dmodelreactor. Specs: 3753 polys, 4992 verts.
C4D (Cinema 4D, filesize: 4.61 MB), BLEND (Blender, filesize: 1.8 MB), OBJ (OBJ, filesize: 773 KB), FBX (Autodesk FBX, filesize: 1.25 MB), MAX (Autodesk 3ds Max, filesize: 685 KB), C4D (Cinema 4D, filesize: 4.61 MB), MA (Autodesk Maya, filesize: 777 KB), 3DS (3D Studio, filesize: 623 KB), DAE (Collada, filesize: 667 KB)