STC SA3-13
FAA DRS lists SA3-13 as Current · Reissued, held by D'Shannon Products Ltd., for Cessna Aircraft 170B and Cessna Aircraft 170A. Recorded change: Install 170 hp Lycoming O-340-A1A engine and Hartzell HC-82XL-1DB/8433-12 propeller according to Doyn data listed on Engineering Releases 100 (3/22/58), 1010 (3/16/57), 1011 (8/28/57), 1012 (7/15/57), 1014 (3/30/57), 1050 (7/13/57), 1051 (& DCN 1, 12/10/57), 1052 (7/19/57), 1053 (7/19/57), 1099 (3/22/58), and Instructions (2 sheets, undated) Data required for parts manufacture: As listed on Engineering Releases 1001 (1/18/57), 1002 (12/21/57), 1003 (5/1/57), 1004 (7/13/57), 1005 (7/12/57), 1006 (3/30/57), 1007 (4/12/57), 1008 (2/27/57), 1009 (10/23/57), 1015 (2/25/56). Snapshot dated June 30, 2026.
Recorded modification
What the FAA record covers
SA3-13 identifies the approval, recorded holder, named aircraft, and modification scope. It does not confirm kit availability, serial-number effectivity, data rights, price, or installation authority.
Applicability
Aircraft named in FAA DRS
Named aircraft: Cessna Aircraft 170B and Cessna Aircraft 170A. Confirm the approved model list, serial effectivity, configuration, and certificate revision.
Related engine and powerplant STCs
Installation of lower nacelle.
FAA holder: Signature Flight Support Corporation
Installation of jet stack exhaust system.
FAA holder: Signature Flight Support Corporation
Installation of turbine auxiliary power unit T62T-29B or T62T-39.
FAA holder: Signature Flight Support Corporation
Rerouting powerplant and aileron control cables in baggage area.
FAA holder: Signature Flight Support Corporation
FAA record reference
- STC number
- SA3-13
- Product
- Aircraft · Single-Engine
- Country
- United States
- Application date
- December 31, 1956
- Revision date
- July 14, 2011
- CFR references
- Part 3, Part 21