STC SA686CE

FAA DRS lists SA686CE as Current · Reissued, held by D'Shannon Products Ltd., for Hawker Beechcraft 35-33, Hawker Beechcraft 35-A33, and Hawker Beechcraft 35-B33, and 10 more aircraft configurations. Recorded change: Installation of Continental IO-520-B engine derated to power shown in the appropriate Airplane Flight Manual Supplement and Hartzell HC-C3YF-1/8468A-8R (Low 10.0 .2, High 36.0 1.0 Blade Angle Stop at 30 inch Sta.) propeller or McCauley 2A36C23/84B-2 (Low 13.3 , High 29.7 Blade Angle Stop from Ref. Sta. 30) propeller in accordance with AeroStol drawing 3100B, Sheet 1, Rev. B, dated 11/15/75 and 3100, Sheet 2, dated 9/18/75, or later FAA approved revisions, for all of the above Beech model aircraft, except Model G33. For Model 33 installation of the Continental IO-520-BB engine derated to the power shown in the appropriate Airplane Flight Manual Supplement and McCauley 2A36C23/84B-O (Low 13.3 , High 29.7 Blade Angle Stop, Ref. Sta. 30) propeller in accordance with D Shannon Products Drawing G3M2686BB, Rev. 1, dated 2/27/86 (5 sheets), or later FAA approved revisions. For Model H35 installation of the Continental IO-520-BB engine derated to the power shown in the appropriate Airplane Flight Manual Supplement and McCauley 3A32C406/82NDB-2 propeller in accordance with D Shannon Products Drawing H353A32C406BB Rev. 1, dated 11/25/86 (5 sheets), or later FAA approved revisions. Snapshot dated June 30, 2026.