STC SA4-78
FAA DRS lists SA4-78 as Current · Reissued, held by John P. Warren, for FS 2002 Corp PA-14. Recorded change: Installation of a Lycoming O-320 engine and Sensenich M74DM59 propeller. Installation of Piper PA-18A-150 engine cooling baffles, modified to fit cowling. Installation of oil cooler (Harrison AP13SJ03-01) in accordance with Piper Drawing 14368. Installation of pressure type gas tank caps. Snapshot dated June 30, 2026.
Recorded modification
What the FAA record covers
SA4-78 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: FS 2002 Corp PA-14. Confirm the approved model list, serial effectivity, configuration, and certificate revision.
Related engine and powerplant STCs
Installation of Scuppers and Dorsal Air Inlet for improved tailcone cooling.
FAA holder: FAA Aviation System Standards AVN-300
Installation of Lycoming IO-540-K1A5 or IO-540-K1G5 engine and Hartzell HC-C3YR-1RF/8468-6R or HC-C3YR-IRF/8468AB-6R propeller.
FAA holder: Air Plains Services Corporation
FAA record reference
- STC number
- SA4-78
- Product
- Aircraft · Single-Engine
- Country
- United States
- Application date
- February 15, 1956
- Revision date
- March 18, 2019
- CFR references
- Part 3, Part 21