STC SA4-547
FAA DRS lists SA4-547 as Current 路 Reissued, held by Brittain Industries, Inc, for Textron Aviation 175, Textron Aviation 175A, and Textron Aviation 175B, and 1 more aircraft configuration. Recorded change: Installed Brittain-Clarkson Autopilot. Snapshot dated June 30, 2026.
Recorded modification
What the FAA record covers
SA4-547 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: Textron Aviation 175, Textron Aviation 175A, and Textron Aviation 175B, and 1 more aircraft configuration. Confirm the approved model list, serial effectivity, configuration, and certificate revision.
Related avionics STCs
Installation of a single Global GNS-500A series 3B VLF/Omega Navigation System.
FAA holder: Page AvJet Corp
Installation of single Litton LTN-72RL (048 pgm) Inertial Navigation System.
FAA holder: Page AvJet Corp
Installation of dual Sperry SPI 77A flight director system.
FAA holder: Page AvJet Corp
FAA record reference
- STC number
- SA4-547
- Product
- Aircraft 路 Small Airplane
- Country
- United States
- Application date
- July 17, 1958
- Revision date
- October 31, 2016
- CFR references
- Part 3, Part 21