STC SA10439SC
FAA DRS lists SA10439SC as Current · Issued, held by Chelton Aviation Corporation, for Twin Commander Aircraft 560-F, Twin Commander Aircraft 680, and Twin Commander Aircraft 680-E, and 2 more aircraft configurations. Recorded change: Installation of a Chelton Aviation Corp (CAC) AP-3C autopilot. Snapshot dated June 30, 2026.
Recorded modification
What the FAA record covers
SA10439SC 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, and Twin Commander Aircraft 680-E, and 2 more aircraft configurations. Confirm the approved model list, serial effectivity, configuration, and certificate revision.
Related avionics STCs
Installation of Dual Collins ALT-55B Radio Altimeters.
FAA holder: Textron Aviation Inc
Installation of radio rack in aft baggage compartment.
FAA holder: Textron Aviation Inc
FAA record reference
- STC number
- SA10439SC
- Product
- Aircraft · Small Multi-Engine
- Country
- United States
- Application date
- October 30, 2004
- Revision date
- August 4, 2005
- CFR references
- Part 21, Part 23