STC SA4-145
FAA DRS lists SA4-145 as Current · Reissued, held by Skybound Manufacturing Inc., for Swift Museum Foundation GC-1B. Recorded change: Removal of C-125, Continental Engine and installation of C145, Continental Engine and Koppers Model F200 and F200-H propellers with 0073-E blades in all model GC-1B Swifts. Maximum engine power restricted to 125 hp at 2550 rpm and 25.8 in. Hg. MAP. Installation must be made per Preston Johnson Drawing No. PDJ-3. Snapshot dated June 30, 2026.
Recorded modification
What the FAA record covers
SA4-145 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: Swift Museum Foundation GC-1B. Confirm the approved model list, serial effectivity, configuration, and certificate revision.
Related engine and powerplant STCs
FAA record reference
- STC number
- SA4-145
- Product
- Aircraft · Single-Engine
- Country
- United States
- Application date
- December 3, 1956
- Revision date
- June 25, 2003
- CFR references
- Part 21