STC SA4-50
FAA DRS lists SA4-50 as Current · Amended, held by Skyhaven Inc, for Consolidated Vultee Aircraft Stinson Division SR-10E (Army UC-81H) and Consolidated Vultee Aircraft Stinson Division SR-10D. Recorded change: Increased gross weight to 4,650 pounds, modified fuselage, and replacement of horizontal surfaces from SR-10F. Snapshot dated June 30, 2026.
Recorded modification
What the FAA record covers
SA4-50 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: Consolidated Vultee Aircraft Stinson Division SR-10E (Army UC-81H) and Consolidated Vultee Aircraft Stinson Division SR-10D. Confirm the approved model list, serial effectivity, configuration, and certificate revision.
Related aircraft structures STCs
Installation of the Fuselage Ice Shield.
FAA holder: Skytech Aircraft Services Ltd
Fabrication and Installation of a Left Hand Seaplane Door.
FAA holder: Trimmer Marvin E/Trimmer Aviation LLC
Boundary Layer Research, Inc, Wing Rib Reinforcement Modification. (and T-1020).
FAA holder: BLR Aerospace LLC.
FAA record reference
- STC number
- SA4-50
- Product
- Aircraft · Small Multi-Engine
- Country
- United States
- Application date
- May 29, 1956
- Revision date
- June 8, 2006
- CFR references
- Part 21