Aircraft Model(s): 207, 207A. Applicable Engines: IO-520-A, -F. 1 -3-Bladed Propeller HC-C3YF-1RF/F8468A-8R, 1 - STC Document Set SA696AL, 1 - Polished Spinner A-2295-1P. 78 inch diameter 3-bladed aluminum hub propeller.