STC SA4-1239
FAA DRS lists SA4-1239 as Current · Reissued, held by Brittain Industries, Inc, for Beechcraft 35-33, Beechcraft 35-A33, and Beechcraft 35-B33, and 2 more aircraft configurations. Recorded change: Installation of Brittain/Beechcraft Autopilot. Snapshot dated June 30, 2026.
Recorded modification
What the FAA record covers
SA4-1239 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 2 more aircraft configurations. Confirm the approved model list, serial effectivity, configuration, and certificate revision.
Buyer checks
Confirm before sourcing
Related avionics STCs
Installation of Rockwell Collins FMS-6000 System Installation to provide WAAS/LPV capability.
FAA holder: Rockwell Collins Inc