STC SA2691WE
FAA DRS lists SA2691WE as Current · Reissued, held by RPM Commander LLC, for Twin Commander Aircraft 560-F, Twin Commander Aircraft 680-F, and Twin Commander Aircraft 500-S. Recorded change: Installation of Lycoming IO-720-B1B or B1BD turbocharged engine. Snapshot dated June 30, 2026.
Recorded modification
What the FAA record covers
SA2691WE 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: Twin Commander Aircraft 560-F, Twin Commander Aircraft 680-F, and Twin Commander Aircraft 500-S. Confirm the approved model list, serial effectivity, configuration, and certificate revision.
Related engine and powerplant STCs
Installation of a digital voltmeter with integral engine cycle counter.
FAA holder: American Eurocopter Corporation
Installation of a copilot rotor tachometer with integral dual engine cycle counting capabilities.
FAA holder: American Eurocopter Corporation
Installation of engine bleed air heating system. Limited to installation on serial number S-156 ONLY.
FAA holder: American Eurocopter Corporation
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.
FAA holder: Skybound Manufacturing Inc.
FAA record reference
- STC number
- SA2691WE
- Product
- Aircraft · Small Multi-Engine
- Country
- United States
- Application date
- May 10, 1973
- Revision date
- April 16, 2008
- CFR references
- Part 21