$3 Seaplane Armed Low-poly 3D model by PointedPivots. Available on CGTrader with 11419 polys. Check it out on CGHub.
OBJ (OBJ, filesize: 56.9 MB), FBX (Autodesk FBX, filesize: 55.2 MB), MA (Autodesk Maya, filesize: 55.7 MB), SPP (Substance Painter, filesize: 200 MB), OTHER (Other, filesize: 6.9 MB), TBSCENE (Marmoset Toolbag, filesize: 3.66 MB)