Check out Boeing Vertol CH-46 Sea Knight Low-poly PBR Low-poly 3D model on CGTrader for $29. High-quality mesh by we3d1234: 12268 polys, 17053 vertices. PBR, Textured, UV Mapped.
OBJ (OBJ, filesize: 18.1 MB), 3DS (3D Studio, filesize: 18.1 MB), FBX (Autodesk FBX, filesize: 18.1 MB), TBSCENE (Marmoset Toolbag, filesize: 18.1 MB), MAX (Autodesk 3ds Max, filesize: 18.1 MB), PNG (PNG, filesize: 18.1 MB)