$90 Helicopter - Bell Chopper - Exterior and Interior 3D model by skeletex. Available on CGTrader with 425166 polys and 427737 vertices. Check it out on CGHub.
MA (Autodesk Maya, filesize: 12.5 MB), OBJ (OBJ, filesize: 9.18 MB), FBX (Autodesk FBX, filesize: 3.34 MB)