STC SA631WE
FAA DRS lists SA631WE as Current · Reissued, held by Brittain Industries, Inc, for Beechcraft 35, Beechcraft 35R, and Beechcraft A35, and 6 more aircraft configurations. Recorded change: Installation of Brittain/Beech Model B-4 Flight Control System, including PC-1 Pitch Assist, AH-1 Altitude Hold, and NAV-1 Navigational Coupler. Snapshot dated June 30, 2026.
Recorded modification
What the FAA record covers
SA631WE 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: Beechcraft 35, Beechcraft 35R, and Beechcraft A35, and 6 more aircraft configurations. Confirm the approved model list, serial effectivity, configuration, and certificate revision.
Related flight controls STCs
Installation of an S-TEC 3100 (01326) Digital Flight Control System (DFCS).
FAA holder: S-TEC Corporation
Installation of flap actuated aileron droop system.
FAA holder: Sierra Industries Ltd.
FAA record reference
- STC number
- SA631WE
- Product
- Aircraft · Small Airplane
- Country
- United States
- Application date
- February 26, 1964
- Revision date
- October 28, 2013
- CFR references
- Part 3, Part 21