STC SA09135AC-D
FAA DRS lists SA09135AC-D as Current · Amended, held by S-TEC Corporation, for Cessna Aircraft FR172J and Cessna Aircraft FR172K. Recorded change: Installation of S-TEC System 55/55X Two Axis Automatic Flight Guidance System, Model ST-612,. Snapshot dated June 30, 2026.
Recorded modification
What the FAA record covers
SA09135AC-D 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: Cessna Aircraft FR172J and Cessna Aircraft FR172K. Confirm the approved model list, serial effectivity, configuration, and certificate revision.
Related other aircraft modifications STCs
Installation of an extended baggage compartment.
FAA holder: Athena Aircraft, LLC
Replace existing horizontal stabilizer skins.
FAA holder: Athena Aircraft, LLC
Installation of a Ski Tube compartment extending aft of the baggage compartment.
FAA holder: Athena Aircraft, LLC
FAA record reference
- STC number
- SA09135AC-D
- Product
- Aircraft · Single-Engine
- Country
- United States
- Application date
- November 29, 1995
- Revision date
- February 28, 2001
- CFR references
- Part 21