STC SA2-523
FAA DRS lists SA2-523 as Current · Reissued, held by Staggerwing Museum Foundation Inc., for Hawker Beechcraft Army AT-11 and Hawker Beechcraft C18S. Recorded change: Revise horizontal stabilizer angle of incidence from -3.6 degrees to-0.5 degrees. Snapshot dated June 30, 2026.
FAA-listed holder
Aircraft configurations
2
FAA revision date
FAA status
Current · Reissued
Recorded modification
What the FAA record covers
SA2-523 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: Hawker Beechcraft Army AT-11 and Hawker Beechcraft C18S. Confirm the approved model list, serial effectivity, configuration, and certificate revision.
Related other aircraft modifications STCs
Installation of Header and Class Divider.
FAA holder: Safran Cabin Inc.
Installation of LH module P/N 15900-1 and RH module P/N 15940-1.
FAA holder: Safran Cabin Inc.
FAA record reference
- STC number
- SA2-523
- Product
- Aircraft · Small Multi-Engine
- Country
- United States
- Application date
- April 15, 1958
- Revision date
- October 6, 2006
- CFR references
- Part 21