Aircraft Model(s): A185F, A185E. Applicable Engines: IO-520-D. 1 - 3-Bladed Propeller PHC-C3YF-1RF/F8468A-6R, 1 - STC Paperwork SA1443NM, 1 - Polished Spinner C-3575-P. 80 inch diameter 3-bladed, aluminum hub propeller.