STC SA966SW
FAA DRS lists SA966SW as Current · Reissued, held by Signature Flight Support Corporation, for Twin Commander Aircraft 680FL. Recorded change: Rerouting powerplant and aileron control cables in baggage area. Snapshot dated June 30, 2026.
FAA-listed holder
Aircraft configurations
1
FAA revision date
FAA status
Current · Reissued
Recorded modification
What the FAA record covers
SA966SW 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 680FL. Confirm the approved model list, serial effectivity, configuration, and certificate revision.
Related engine and powerplant STCs
Installation of a modified Teledyne Continental O-470-U engine.
FAA holder: Texas Skyways Inc
Modification of a Teledyne Continental Model O-470-U engine.
FAA holder: Texas Skyways Inc
Install Lycoming IO-540-M1C5 engine and Hartzell HC-C3YR-2UF/FC8468()-6R propeller.
FAA holder: Merlyn Products Inc.
FAA record reference
- STC number
- SA966SW
- Product
- Aircraft · Small Airplane
- Country
- United States
- Application date
- August 26, 1968
- Revision date
- August 31, 2000
- CFR references
- Part 21