STC SA533WE
FAA DRS lists SA533WE as Current · Reissued, held by Brittain Industries, Inc, for Beechcraft 35-33, Beechcraft 35-A33, and Beechcraft 35-B33, and 21 more aircraft configurations. Recorded change: Installation of Brittain/Beech Model B4 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
Installation of Brittain/Beech Model B4 Flight Control System including PC-1 Pitch Assist, AH-1 Altitude Hold, and NAV-1 Navigational Coupler.
SA533WE 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 35-33, Beechcraft 35-A33, and Beechcraft 35-B33, and 21 more aircraft configurations. Confirm the approved model list, serial effectivity, configuration, and certificate revision.
Buyer checks
Confirm before sourcing
- 01Does it cover the exact Beechcraft 35-33 and Beechcraft 35-A33, and 22 more aircraft configurations model, serial range, and configuration?
- 02Which control configuration, rigging, limitations, and inspections apply?
- 03Who can legally supply the design data, kit, instructions, and ICAs?
- 04What parts, labor, conformity, and return-to-service work are excluded?
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