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
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
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