Aircraft Model(s): U206G (from S/N U20604075 up). Applicable Engines: IO-520-F. 1 - Polished Spinner C-4582-1P, 1 - 3-Bladed Propeller HC-J3YF-1RF/F8068-2, 1 - STC Document Set SA02821CH. 80 inch dia 3-bladed, scimitar, aluminum hub prop.