Aircraft Model(s): A185F, A185E. Applicable Engines: IO-520-D. 1 - Polished Spinner C-3575-P, 1 - 3-blade Propeller PHC-C3YF-1RF/F8068-2, 1 - STC Document Set SA02821CH. 80 inch dia 3-blade, scimitar, aluminum hub prop.